Quick recall · 257 cards
Short MCQ-style retrieval prompts. Tap a card to reveal the answer.
PYQ
Tap to reveal →
Which of the following is not an input device?
A. VDU
B. Keyboard
C. Monitor
D. Light Pen
C · Monitor
PYQ
Tap to reveal →
Which component is considered the "brain" of the computer?
A. Hard Drive
B. CPU
C. RAM
D. GPU
B · CPU
PYQ
Tap to reveal →
A microprocessor unit, a memory unit, and an input/output unit form a ____.
A. Microcomputer
B. CPU
C. Compiler
D. ALU
A · Microcomputer
PYQ
Tap to reveal →
The software used to drive microprocessor-based systems is known as ___.
A. Firmware
B. Assembly language programs
C. Flowchart instructions
D. BASIC interpreter instructions
A · Firmware
PYQ
Tap to reveal →
A device that allows users to feed data into a computer for analysis and storage and to give commands to the computer is called
B · Input device
PYQ
Tap to reveal →
User communicates with a computer with the help of which devices?
D · Both a and b
PYQ
Tap to reveal →
Which device allows you to enter data and instructions into a computer?
A · Input
PYQ
Tap to reveal →
Which of the following groups are only input devices?
A · Mouse, Keyboard, Scanner
**Mouse, Keyboard, Scanner** are all input devices as they send data to the computer. Monitors/printers are output, disks are storage, and plotter/projector are output devices. Option A is correct.
PYQ
Tap to reveal →
Which of the following is/are input devices? (a) Track ball (b) Scanner (c) Touch screen (d) Magnetic Ink Card Reader (MICR) (e) All of the above
B · Scanner
All listed devices are **input devices**: Trackball (pointing), Scanner (optical input), Touch screen (direct input), MICR (reads magnetic ink on checks). Option E 'All of the above' is correct.
PYQ
Tap to reveal →
A ....…… is a hardware device that transfers the digital signals between the computer and the communications channel. (JKSSB PYQ)
C · Modem
PYQ
Tap to reveal →
Which of the following is an example of an input device?
C · Keyboard
**Keyboard** is an input device used to enter text and commands. Monitor and printer are output devices that display or produce results from the computer. Option C is correct.
PYQ
Tap to reveal →
Which of the following is a memory store with a phonological loop, visuospatial sketchpad, episodic buffer, and a central executive?
C · C. Working memory
PYQ
Tap to reveal →
The storage capacity of long-term memory is __________.
D · D. Essentially limitless
PYQ
Tap to reveal →
The three functions of memory are __________.
D · D. Encoding, storage, and retrieval
PYQ
Tap to reveal →
An exceptionally clear recollection of an important event is a (an) __________.
C · C. Flashbulb memory
PYQ
Tap to reveal →
Your memory of Civil War history is an example of what type of memory?
C · C. Semantic memory
PYQ
Tap to reveal →
In general, memory can be divided into which two overarching categories?
D · D. Declarative and nondeclarative
PYQ
Tap to reveal →
Declarative, or explicit, memory is subdivided into which categories?
B · B. Semantic and episodic
PYQ · 2021
Tap to reveal →
Which disk scheduling algorithm is shown: (i) SSTF (ii) FCFS?
A · A. SSTF only
PYQ
Tap to reveal →
A basic element of data in a file.
C · Field
PYQ
Tap to reveal →
Records are treated as a unit.
A · True
The statement is true. Records are a collection of related fields and are treated as a single unit during file operations like reading or writing.[2]
PYQ
Tap to reveal →
__________________ refers to the logical structuring of records.
C · File organisation
File organisation refers to the logical structuring of records. It is determined by the way in which files are accessed, such as sequential, indexed, or direct access.[2]
PYQ
Tap to reveal →
Which of the following is not an appropriate criterion for file organisation?
A · Larger access time
Larger access time is not an appropriate criterion. The access time should be short as it is an important factor for efficient file organisation.[2]
PYQ
Tap to reveal →
___________ itself is a file owned by the operating system.
D · Directory
Directory is the file owned by the operating system. The file directory contains various important information about files, such as names, locations, sizes, and permissions.[2]
PYQ · 2019
Tap to reveal →
A number is divided by 406 leaves remainder 115. What will be the remainder when it will be divided by 29?
A · 28
PYQ
Tap to reveal →
What is the shortcut key to copy selected text in Windows?
A · Ctrl + C
PYQ
Tap to reveal →
In Microsoft Word, what is the shortcut key to undo the last action?
A · Ctrl + Z
PYQ
Tap to reveal →
To redo an action, which shortcut is used?
B · Ctrl + Y
PYQ
Tap to reveal →
Which shortcut key is used to cut selected text or items?
B · Ctrl + X
PYQ
Tap to reveal →
Which shortcut is used to refresh a webpage?
D · Both A and B
PYQ
Tap to reveal →
What is the shortcut key to find text within a document or webpage?
A · Ctrl + F
PYQ
Tap to reveal →
Which shortcut key opens the clipboard history in Windows 10 and later?
A · Windows + V
PYQ
Tap to reveal →
Which keyboard shortcut is used to undo the last action?
B · Ctrl + Z
PYQ
Tap to reveal →
Which keyboard shortcut is used to reverse the last undo?
B · Ctrl + Y
PYQ
Tap to reveal →
Which shortcut key is used to make selected text bold?
B · Ctrl + B
PYQ
Tap to reveal →
Which shortcut key is used to underline selected text?
C · Ctrl + U
PYQ
Tap to reveal →
Which shortcut key is used to italicize selected text?
B · Ctrl + I
PYQ
Tap to reveal →
Which shortcut key is used to select all content in a document?
A · Ctrl + A
PYQ
Tap to reveal →
Which shortcut key is used to save the current document or file?
A · Ctrl + S
PYQ
Tap to reveal →
Which shortcut key is used to open the print dialog box?
A · Ctrl + P
PYQ
Tap to reveal →
Which shortcut key is used to find and replace text in a document?
B · Ctrl + H
PYQ
Tap to reveal →
Which shortcut key is used to open a new window?
A · Ctrl + N
PYQ
Tap to reveal →
Which shortcut key is used to close the current window?
D · Both A and C
PYQ
Tap to reveal →
Which shortcut key is used to switch between open applications?
A · Alt + Tab
PYQ
Tap to reveal →
Which shortcut key is used to open Task Manager in Windows?
A · Ctrl + Shift + Esc
PYQ
Tap to reveal →
Which shortcut key is used to minimize all windows in Windows?
A · Windows + M
PYQ
Tap to reveal →
Which shortcut key is used to lock the computer in Windows?
A · Windows + L
Question bank
Tap to reveal →
Which of the following best defines computer hardware?
A · Physical components of a computer system
Hardware refers to the physical parts of a computer system such as the CPU, memory devices, and input/output devices.
Question bank
Tap to reveal →
Which of the following is NOT a classification of computer hardware?
C · System software
System software is a type of software, not hardware. Hardware classifications include input, output, and storage devices.
Question bank
Tap to reveal →
Which of the following correctly classifies the components of computer hardware?
A · Input, Processing, Output, and Storage devices
Hardware components are classified into input, processing, output, and storage devices, which together form the physical parts of a computer.
Question bank
Tap to reveal →
Which of the following is an example of an input device?
A · Keyboard
A keyboard is an input device used to enter data into a computer, while monitor, printer, and speaker are output devices.
Question bank
Tap to reveal →
Which device is used to convert printed text into digital form?
A · Scanner
A scanner is an input device that converts printed text or images into digital data.
Question bank
Tap to reveal →
Which of the following input devices is primarily used for pointing and clicking?
A · Mouse
A mouse is an input device used to point, click, and interact with graphical elements on the screen.
Question bank
Tap to reveal →
Which of the following is an output device?
A · Printer
A printer produces a physical output (hard copy) from digital data, making it an output device.
Question bank
Tap to reveal →
Which output device displays visual information to the user?
A · Monitor
A monitor displays visual output from the computer to the user.
Question bank
Tap to reveal →
Which of the following output devices is best suited for presenting to a large audience?
A · Projector
A projector displays computer output on a large screen, suitable for presentations to large audiences.
Question bank
Tap to reveal →
Which of the following is a primary storage device?
A · RAM
RAM (Random Access Memory) is a primary storage device used for temporary data storage during processing.
Question bank
Tap to reveal →
Which of the following storage devices provides the fastest data access speed?
A · Solid State Drive (SSD)
SSD provides faster data access compared to HDD, optical disks, and magnetic tapes due to its flash memory technology.
Question bank
Tap to reveal →
Which type of storage device is best suited for long-term archival storage?
A · Magnetic Tape
Magnetic tape is used for long-term archival storage due to its durability and cost-effectiveness.
Question bank
Tap to reveal →
Refer to the diagram below showing the CPU components. Which part is responsible for performing arithmetic and logical operations?
A · Arithmetic Logic Unit (ALU)
The ALU performs all arithmetic and logical operations within the CPU.
Question bank
Tap to reveal →
Which CPU component controls the execution of instructions and directs the flow of data?
A · Control Unit
The Control Unit manages and controls the execution of instructions and data flow within the CPU.
Question bank
Tap to reveal →
Which of the following CPU components temporarily holds data and instructions during processing?
A · Registers
Registers are small, fast storage locations inside the CPU that hold data and instructions temporarily during processing.
Question bank
Tap to reveal →
Which CPU component improves processing speed by storing frequently used instructions and data?
A · Cache Memory
Cache memory stores frequently accessed data and instructions to speed up processing by reducing access time to main memory.
Question bank
Tap to reveal →
Which of the following is a characteristic of primary memory?
A · Volatile and fast access
Primary memory (like RAM) is volatile and provides fast access to data for the CPU during processing.
Question bank
Tap to reveal →
Which of the following is an example of secondary memory?
A · Hard Disk Drive
Hard Disk Drive is a secondary memory device used for long-term data storage.
Question bank
Tap to reveal →
Which memory type is non-volatile and used to store the BIOS firmware?
A · ROM
ROM (Read-Only Memory) is non-volatile and stores firmware such as BIOS.
Question bank
Tap to reveal →
Which memory management technique uses a portion of secondary memory to extend primary memory?
A · Virtual Memory
Virtual memory uses secondary storage to simulate additional primary memory, allowing larger programs to run.
Question bank
Tap to reveal →
Which of the following best defines software?
A · Programs and instructions that tell the hardware what to do
Software consists of programs and instructions that control the hardware and perform tasks.
Question bank
Tap to reveal →
Which of the following is a classification of software?
A · System software and Application software
Software is classified mainly into system software and application software.
Question bank
Tap to reveal →
Which of the following is NOT a type of software classification?
A · Hardware drivers
Hardware drivers are part of system software, not a separate classification. The main classifications are system software, application software, and middleware.
Question bank
Tap to reveal →
Which of the following is an example of system software?
A · Operating System
Operating system is system software that manages hardware and software resources.
Question bank
Tap to reveal →
Which utility software is used to check and repair disk errors?
A · Disk Checker
Disk checker utility scans and repairs disk errors to maintain disk health.
Question bank
Tap to reveal →
Which of the following is NOT a function of an operating system?
A · Compiling source code
Compiling source code is done by compilers, not the operating system.
Question bank
Tap to reveal →
Which of the following is an example of application software?
A · Microsoft Word
Microsoft Word is application software used for word processing.
Question bank
Tap to reveal →
Which application software is primarily used for data analysis and calculations?
A · Spreadsheet
Spreadsheet software like Microsoft Excel is used for data analysis and calculations.
Question bank
Tap to reveal →
Firmware is best described as:
A · Software permanently programmed into hardware
Firmware is software embedded permanently into hardware devices to control their functions.
Question bank
Tap to reveal →
Middleware software is used to:
A · Enable communication between different software applications
Middleware acts as a bridge to enable communication and data management between different software applications.
Question bank
Tap to reveal →
Refer to the flowchart below showing hardware-software interaction. Which component initiates the execution of an application program?
C · Application Software
Application software is initiated by the user and executed by the operating system interacting with hardware.
Question bank
Tap to reveal →
Which of the following best describes the relationship between hardware and software?
A · Software provides instructions that hardware executes
Software consists of instructions that hardware executes to perform tasks.
Question bank
Tap to reveal →
Refer to the diagram below showing hardware architecture. Which component acts as the main communication channel between CPU and memory?
A · System Bus
The system bus connects the CPU, memory, and other components, enabling data transfer.
Question bank
Tap to reveal →
Which of the following is considered a hardware component of a computer?
B · CPU
CPU is a physical part of the computer, thus a hardware component. Operating systems and applications are software.
Question bank
Tap to reveal →
Which part of the computer is responsible for executing instructions and processing data?
B · Central Processing Unit
The CPU executes instructions and processes data, acting as the brain of the computer.
Question bank
Tap to reveal →
Which of the following is NOT a hardware component?
C · Firmware
Firmware is software embedded in hardware, not a hardware component itself.
Question bank
Tap to reveal →
Which hardware component acts as the main circuit board connecting all parts of a computer?
A · Motherboard
The motherboard is the main circuit board that connects all hardware components.
Question bank
Tap to reveal →
Which of the following best describes an embedded system?
C · A dedicated hardware-software system for specific tasks
An embedded system is designed for specific tasks combining hardware and software tightly integrated.
Question bank
Tap to reveal →
Which of the following is an example of system software?
B · Linux Operating System
Linux OS is system software that manages hardware and software resources.
Question bank
Tap to reveal →
Which software type is primarily designed to help users perform specific tasks like word processing or spreadsheet calculations?
C · Application Software
Application software helps users perform specific tasks such as document creation or data analysis.
Question bank
Tap to reveal →
Which of the following software helps maintain, analyze, and optimize a computer system?
A · Utility Software
Utility software performs maintenance tasks like virus scanning and disk cleanup.
Question bank
Tap to reveal →
Which software component acts as an intermediary between hardware and user applications?
A · Operating System
Operating systems manage hardware resources and provide services for application software.
Question bank
Tap to reveal →
Which of the following is NOT an input device?
C · Monitor
Monitor is an output device, not an input device.
Question bank
Tap to reveal →
Which input device is commonly used to capture handwritten signatures electronically?
D · Graphics Tablet
A graphics tablet allows users to input handwritten signatures and drawings.
Question bank
Tap to reveal →
Which input device converts physical documents into digital format?
A · Scanner
A scanner digitizes physical documents into electronic images.
Question bank
Tap to reveal →
Which of the following is an output device?
B · Printer
Printer produces physical output from digital data, thus an output device.
Question bank
Tap to reveal →
Which output device displays visual information to the user?
A · Monitor
Monitor displays images and text visually on screen.
Question bank
Tap to reveal →
Which output device is commonly used to produce hard copies of documents?
A · Plotter
Plotters are specialized printers used for large-format hard copies, such as blueprints.
Question bank
Tap to reveal →
Which storage device provides the fastest data access speed?
B · Solid State Drive
Solid State Drives (SSD) have faster access times than HDDs and other storage types.
Question bank
Tap to reveal →
Which storage device is most suitable for long-term archival storage due to its durability and capacity?
A · Magnetic Tape
Magnetic tapes are used for archival storage because of their large capacity and longevity.
Question bank
Tap to reveal →
Which storage device uses laser technology to read and write data?
A · Optical Disk
Optical disks like CDs and DVDs use lasers to read/write data.
Question bank
Tap to reveal →
Which storage device is volatile and loses data when power is off?
A · RAM
RAM is volatile memory, losing data without power.
Question bank
Tap to reveal →
Which component of the CPU is responsible for performing arithmetic and logical operations?
B · Arithmetic Logic Unit
The Arithmetic Logic Unit (ALU) performs arithmetic and logical operations.
Question bank
Tap to reveal →
Which part of the CPU directs the flow of data and instructions within the processor?
A · Control Unit
The Control Unit manages and directs operations inside the CPU.
Question bank
Tap to reveal →
Which CPU component stores frequently accessed instructions and data to speed up processing?
A · Cache Memory
Cache memory is a small, fast memory inside the CPU for quick access.
Question bank
Tap to reveal →
Which of the following CPU components is considered the fastest type of memory?
A · Cache
Cache memory is faster than RAM and ROM, located closest to the CPU cores.
Question bank
Tap to reveal →
Which memory type is non-volatile and stores firmware instructions permanently?
A · ROM
ROM stores permanent instructions and retains data without power.
Question bank
Tap to reveal →
Which memory type is volatile and used for temporary data storage during program execution?
A · RAM
RAM temporarily stores data and instructions while programs run and loses data when powered off.
Question bank
Tap to reveal →
Which memory type is the smallest in size but fastest in speed?
A · Cache
Cache memory is the smallest and fastest memory located inside the CPU.
Question bank
Tap to reveal →
Which memory type is used to speed up access to data by storing copies of frequently used information?
A · Cache
Cache memory stores frequently used data to reduce access time.
Question bank
Tap to reveal →
Which of the following is NOT a type of software?
D · Motherboard
Motherboard is hardware, not software.
Question bank
Tap to reveal →
Which software type manages hardware and provides a platform for applications?
A · System Software
System software includes operating systems that manage hardware and provide services.
Question bank
Tap to reveal →
Which of the following is an example of utility software?
A · Disk Defragmenter
Disk defragmenter is utility software used to optimize disk performance.
Question bank
Tap to reveal →
Which of the following is a primary function of an operating system?
B · Managing hardware resources
Operating systems manage hardware resources and provide user interfaces.
Question bank
Tap to reveal →
Which of the following is NOT a function of an operating system?
C · Hardware manufacturing
Hardware manufacturing is unrelated to operating system functions.
Question bank
Tap to reveal →
Which operating system component manages the execution of multiple programs simultaneously?
A · Process Scheduler
Process scheduler manages multitasking by allocating CPU time to processes.
Question bank
Tap to reveal →
Firmware is best described as:
B · Permanent software programmed into read-only memory
Firmware is software permanently stored in ROM controlling hardware functions.
Question bank
Tap to reveal →
What is the primary role of a device driver?
B · To allow the operating system to communicate with hardware
Device drivers enable communication between OS and hardware devices.
Question bank
Tap to reveal →
Which of the following is an example of a peripheral device?
C · Printer
Printers are peripheral devices connected externally to the computer.
Question bank
Tap to reveal →
Which peripheral device is used to input handwritten notes into a computer?
B · Graphics Tablet
Graphics tablets allow handwriting input as digital data.
Question bank
Tap to reveal →
Which of the following is a key difference between hardware and software?
B · Hardware can be touched; software cannot
Hardware is physical and can be touched; software is intangible code.
Question bank
Tap to reveal →
Which statement correctly distinguishes software from hardware?
C · Software consists of programs and data; hardware consists of physical components
Software is programs and data; hardware is the physical parts of a computer.
Question bank
Tap to reveal →
Which of the following best defines an input device?
A · A device that sends data to the computer
An input device is any hardware component that allows users to enter data or instructions into a computer system.
Question bank
Tap to reveal →
Which of the following is NOT a classification of input devices?
D · Output input devices
Output input devices is not a valid classification; input devices are classified based on how they capture data, such as manual, mechanical, or optical.
Question bank
Tap to reveal →
Which device is classified as a mechanical input device?
A · Keyboard
A keyboard is a mechanical input device because it requires physical key presses to input data.
Question bank
Tap to reveal →
Which of the following statements correctly classifies input devices?
A · Input devices convert data into signals the computer can process
Input devices capture data and convert it into signals that the computer can understand and process.
Question bank
Tap to reveal →
Which of the following best defines an output device?
B · A device that receives data from the computer and presents it
Output devices receive data from the computer and convert it into a form understandable to the user, such as visual or audio output.
Question bank
Tap to reveal →
Which of the following is NOT a classification of output devices?
C · Storage output devices
Storage output devices is not a recognized classification; output devices are classified based on how they present data, such as visual, audio, or mechanical.
Question bank
Tap to reveal →
Which of the following is an example of a mechanical output device?
A · Printer
Printers are mechanical output devices because they produce physical copies of data on paper.
Question bank
Tap to reveal →
Which statement correctly classifies output devices?
A · Output devices convert processed data into human-readable form
Output devices convert processed data into formats such as text, images, or sound that humans can understand.
Question bank
Tap to reveal →
Which of the following is a common input device used to capture handwritten text and drawings?
A · Scanner
A scanner captures images, handwritten text, and drawings by converting them into digital data.
Question bank
Tap to reveal →
Which input device is primarily used for pointing, clicking, and dragging on a computer screen?
A · Mouse
A mouse is a pointing device used to interact with graphical elements on the screen by moving the cursor and clicking.
Question bank
Tap to reveal →
Which input device converts sound into digital signals for the computer to process?
A · Microphone
A microphone captures audio signals and converts them into digital data for processing by the computer.
Question bank
Tap to reveal →
Which input device allows users to input data by touching the display screen directly?
A · Touchscreen
A touchscreen is an input device that detects touch on the display surface to input data or commands.
Question bank
Tap to reveal →
Which of the following input devices is best suited for 3D spatial control in gaming or design?
A · Joystick
A joystick allows multi-directional control and is commonly used in gaming and 3D design applications.
Question bank
Tap to reveal →
Which output device is primarily used to display text and images on a screen?
A · Monitor
A monitor displays visual output such as text, images, and videos generated by the computer.
Question bank
Tap to reveal →
Which output device converts digital documents into physical paper copies?
A · Printer
Printers produce hard copies of digital documents by printing text and images on paper.
Question bank
Tap to reveal →
Which output device produces sound output from the computer?
A · Speaker
Speakers convert digital audio signals into audible sound for the user.
Question bank
Tap to reveal →
Which output device projects computer display onto a large screen for presentations?
A · Projector
Projectors display computer output by projecting images or videos onto a large surface, useful for presentations.
Question bank
Tap to reveal →
Refer to the diagram below showing a touchscreen device. Which function does this device perform?
A · Both input and output
A touchscreen acts as both an input device (detecting touch) and an output device (displaying visuals).
Question bank
Tap to reveal →
Which of the following devices can function as both input and output devices?
A · Touchscreen, Modem
Touchscreens accept input by touch and display output visually; modems send and receive data, acting as input/output devices.
Question bank
Tap to reveal →
Which specialized device is used to convert analog signals into digital data and vice versa?
A · Modem
A modem modulates and demodulates signals, converting between analog and digital forms for communication.
Question bank
Tap to reveal →
Which of the following is a hard-level question regarding specialized I/O devices?
A · Which device combines input and output functions and is essential for video conferencing?
A webcam with microphone combines input (video and audio capture) and output (display feedback) functions, essential for video conferencing.
Question bank
Tap to reveal →
Which of the following correctly differentiates input devices from output devices?
A · Input devices send data to the computer; output devices receive data from the computer
Input devices provide data to the computer, while output devices present processed data to the user.
Question bank
Tap to reveal →
Which of the following tables correctly compares input and output devices? Refer to the diagram below.
A · Input devices: Keyboard, Mouse; Output devices: Monitor, Printer
Keyboards and mice are input devices; monitors and printers are output devices.
Question bank
Tap to reveal →
Which interface is commonly used to connect external input/output devices to a computer?
A · USB (Universal Serial Bus)
USB is a widely used interface standard for connecting external input/output devices like keyboards, mice, printers, and storage devices.
Question bank
Tap to reveal →
Refer to the block diagram below showing I/O device connections. Which component acts as the intermediary between the CPU and I/O devices?
A · I/O Controller
The I/O controller manages communication between the CPU and input/output devices, coordinating data transfer.
Question bank
Tap to reveal →
Which connectivity technology allows wireless connection of input/output devices over short distances?
A · Bluetooth
Bluetooth is a wireless technology standard for exchanging data over short distances between devices like keyboards, mice, and speakers.
Question bank
Tap to reveal →
Which of the following best describes the evolution of input/output devices?
A · From mechanical and wired devices to wireless and touch-based devices
I/O devices have evolved from bulky mechanical and wired devices to compact, wireless, and touch-sensitive technologies.
Question bank
Tap to reveal →
Which technological trend is currently shaping the development of input/output devices?
A · Integration of AI and voice recognition in input devices
Modern input devices increasingly incorporate AI and voice recognition to enhance user interaction and accessibility.
Question bank
Tap to reveal →
Refer to the classification chart below. Which category represents devices that both input and output data?
A · Specialized I/O Devices
Specialized I/O devices, such as touchscreens and modems, perform both input and output functions.
Question bank
Tap to reveal →
Which of the following best defines an input device?
A · A device that sends data to the computer
Input devices are hardware components used to send data and control signals to a computer.
Question bank
Tap to reveal →
Which of the following is a classification of input devices based on the type of data they input?
C · Digital and analog input devices
Input devices can be classified as digital or analog depending on the type of data they input.
Question bank
Tap to reveal →
Which of the following is NOT a characteristic used to classify input devices?
C · Power consumption
Power consumption is generally not a primary classification criterion for input devices.
Question bank
Tap to reveal →
Which device is primarily classified as an output device?
B · Printer
A printer produces physical output from the computer, thus classified as an output device.
Question bank
Tap to reveal →
Output devices can be classified based on which of the following criteria?
A · Visual, audio, and tactile output
Output devices are classified by the type of output they provide: visual, audio, or tactile.
Question bank
Tap to reveal →
Which of the following is a medium-level classification of output devices?
A · Softcopy and hardcopy devices
Output devices are often classified as softcopy (e.g., monitors) and hardcopy (e.g., printers).
Question bank
Tap to reveal →
Which input device is commonly used to convert handwritten text into digital form?
C · Digitizer tablet
A digitizer tablet allows users to write or draw by hand and converts it into digital data.
Question bank
Tap to reveal →
Which input device is used to read data encoded in bars and spaces?
B · Barcode reader
Barcode readers scan and decode the information contained in barcodes.
Question bank
Tap to reveal →
Which of the following input devices is best suited for gaming applications requiring precise control?
A · Joystick
Joystick provides precise directional control, commonly used in gaming.
Question bank
Tap to reveal →
Which input device converts sound waves into electrical signals for processing by a computer?
A · Microphone
Microphones capture audio signals and convert them into electrical signals for the computer.
Question bank
Tap to reveal →
Which input device uses a pen-like stylus to interact directly with the display screen?
A · Light pen
A light pen detects light from the screen and allows direct interaction with display elements.
Question bank
Tap to reveal →
Which output device is best suited for producing high-quality color images on paper?
A · Laser printer
Laser printers produce high-quality color prints on paper efficiently.
Question bank
Tap to reveal →
Which output device converts digital signals into audio signals?
A · Speakers
Speakers convert digital audio signals into sound waves.
Question bank
Tap to reveal →
Which output device is used to produce large-scale drawings such as architectural plans?
A · Plotter
Plotters are specialized output devices used for printing large-scale vector graphics.
Question bank
Tap to reveal →
Which output device displays information visually on a screen using pixels?
A · Monitor
Monitors display visual output by illuminating pixels on a screen.
Question bank
Tap to reveal →
Which output device would be most appropriate for tactile feedback to visually impaired users?
A · Braille printer
Braille printers produce tactile output readable by visually impaired users.
Question bank
Tap to reveal →
Which of the following is a hybrid input/output device?
A · Touchscreen
Touchscreens serve as both input (touch) and output (display) devices.
Question bank
Tap to reveal →
Which device combines the functions of a scanner and a printer?
A · All-in-one printer
All-in-one printers can scan, print, and sometimes fax documents.
Question bank
Tap to reveal →
Which of the following devices is NOT considered a hybrid input/output device?
C · Keyboard
Keyboards are purely input devices, not hybrid input/output devices.
Question bank
Tap to reveal →
Which of the following is a hard-level question about hybrid devices?
A · How does a touchscreen detect input while displaying output?
Touchscreens use sensors to detect touch input while simultaneously displaying output.
Question bank
Tap to reveal →
Which interface is commonly used to connect input/output devices to a computer for high-speed data transfer?
A · USB
USB (Universal Serial Bus) is widely used for connecting input/output devices with high-speed data transfer.
Question bank
Tap to reveal →
Which connectivity type is typically used for wireless input/output devices?
A · Bluetooth
Bluetooth is a common wireless technology used for connecting input/output devices.
Question bank
Tap to reveal →
Which of the following interfaces is primarily used for video output devices?
A · HDMI
HDMI is a standard interface for transmitting video and audio signals to output devices like monitors and TVs.
Question bank
Tap to reveal →
Which interface supports hot-swapping and can connect multiple input/output devices simultaneously?
A · USB
USB supports hot-swapping and allows multiple devices to be connected via hubs.
Question bank
Tap to reveal →
In computer architecture, what is the primary role of input/output devices?
A · To facilitate communication between the user and the computer
Input/output devices enable interaction between the user and the computer system.
Question bank
Tap to reveal →
Which component acts as an intermediary between input/output devices and the CPU in computer architecture?
A · Input/output controller
The input/output controller manages data exchange between I/O devices and the CPU.
Question bank
Tap to reveal →
How do input/output devices affect the overall performance of a computer system?
A · They influence data transfer rates and user interaction efficiency
I/O devices impact how quickly data is transferred and how efficiently users can interact with the system.
Question bank
Tap to reveal →
Which of the following best describes the relationship between the CPU and input/output devices?
A · CPU processes data received from input devices and sends results to output devices
The CPU processes input data and sends processed data to output devices for user access.
Question bank
Tap to reveal →
Which of the following is a volatile type of primary memory?
B · RAM
RAM (Random Access Memory) is volatile memory, meaning it loses its data when power is turned off. ROM and its types are non-volatile.
Question bank
Tap to reveal →
Which of the following is a characteristic of ROM?
C · It is non-volatile and stores firmware
ROM is non-volatile memory used to store firmware or permanent instructions. It retains data even when power is off.
Question bank
Tap to reveal →
Which of the following best describes the difference between RAM and ROM?
C · RAM allows read/write operations; ROM allows only read operations
RAM allows both read and write operations and is volatile, while ROM is non-volatile and typically allows only read operations.
Question bank
Tap to reveal →
Which of the following is an example of secondary memory?
B · SSD
SSD (Solid State Drive) is a type of secondary memory used for long-term data storage.
Question bank
Tap to reveal →
Which of the following secondary memory types uses magnetic storage?
B · HDD
HDD (Hard Disk Drive) uses magnetic storage to store data on rotating disks.
Question bank
Tap to reveal →
Which of the following is a key advantage of SSD over HDD?
B · Faster data access speed
SSD provides faster data access speeds compared to HDD because it has no moving mechanical parts.
Question bank
Tap to reveal →
Which secondary memory type is most suitable for long-term archival storage due to its durability and low cost?
B · Optical Disk
Optical disks (like CDs and DVDs) are durable and cost-effective for long-term archival storage.
Question bank
Tap to reveal →
Cache memory is primarily used to:
B · Increase the speed of data access for the CPU
Cache memory is a small, fast memory located close to the CPU to speed up data access.
Question bank
Tap to reveal →
Which of the following correctly describes the location of cache memory in the memory hierarchy?
B · Between CPU and primary memory
Cache memory is located between the CPU and primary memory (RAM) to reduce access time.
Question bank
Tap to reveal →
Virtual memory allows a computer to:
B · Use secondary memory to simulate additional RAM
Virtual memory uses secondary storage (like HDD or SSD) to extend the apparent size of RAM temporarily.
Question bank
Tap to reveal →
Which of the following best explains a disadvantage of virtual memory?
C · It can slow down system performance due to slower access times
Virtual memory uses slower secondary storage, which can cause delays and reduce system performance.
Question bank
Tap to reveal →
In the memory hierarchy, which memory type is the fastest but also the most expensive per bit?
A · Cache memory
Cache memory is the fastest and most expensive memory type in the hierarchy.
Question bank
Tap to reveal →
Which characteristic correctly matches the memory type: Volatile, fast, and expensive?
B · Cache memory
Cache memory is volatile, very fast, and expensive compared to other memory types.
Question bank
Tap to reveal →
Arrange the following memory types in order of speed from fastest to slowest: RAM, Cache, Secondary Memory.
A · Cache > RAM > Secondary Memory
Cache memory is fastest, followed by RAM, and then secondary memory is the slowest.
Question bank
Tap to reveal →
Which type of ROM can be programmed only once after manufacturing?
A · PROM
PROM (Programmable ROM) can be programmed once after manufacturing and cannot be erased or reprogrammed.
Question bank
Tap to reveal →
Which of the following is a volatile type of primary memory?
B · RAM
RAM (Random Access Memory) is volatile, meaning it loses its data when power is turned off, whereas ROM is non-volatile.
Question bank
Tap to reveal →
Which memory type is primarily used to store firmware in a computer system?
B · ROM
ROM (Read-Only Memory) stores firmware and is non-volatile, retaining data even when the system is powered off.
Question bank
Tap to reveal →
Which of the following best describes the difference between RAM and ROM?
C · RAM allows read/write operations; ROM allows only read operations
RAM supports both read and write operations and is volatile, while ROM is read-only and non-volatile.
Question bank
Tap to reveal →
Which secondary memory device uses magnetic storage to store data?
B · HDD
HDD (Hard Disk Drive) uses magnetic storage to record data on rotating platters.
Question bank
Tap to reveal →
Which of the following secondary memory types offers the fastest data access speed?
B · SSD
SSD (Solid State Drive) provides faster data access than HDD and other secondary storage due to its flash memory technology.
Question bank
Tap to reveal →
Which secondary storage medium is most suitable for long-term archival storage due to its durability and low cost?
B · Optical Disk
Optical disks like CDs and DVDs are durable and cost-effective for long-term archival storage.
Question bank
Tap to reveal →
Cache memory is primarily used to:
B · Increase the speed of data access between CPU and main memory
Cache memory is a small, fast memory located close to the CPU to speed up data access from main memory.
Question bank
Tap to reveal →
Which of the following statements about cache memory is true?
B · Cache memory stores frequently accessed data to reduce average access time
Cache memory stores frequently used data and instructions to speed up processing by reducing access time to main memory.
Question bank
Tap to reveal →
Virtual memory allows a computer to:
B · Use a portion of secondary storage as additional RAM
Virtual memory uses disk space to simulate additional RAM, allowing more programs to run than physical RAM alone would permit.
Question bank
Tap to reveal →
Which of the following best describes the role of virtual memory in a computer system?
B · It allows the system to run larger applications than available physical memory
Virtual memory enables the system to handle larger applications by temporarily transferring data from RAM to disk storage.
Question bank
Tap to reveal →
Which memory characteristic is typically inversely related to cost per bit?
C · Capacity
Higher capacity memories generally have a lower cost per bit, making capacity inversely related to cost per bit.
Question bank
Tap to reveal →
Which of the following memory types is fastest but usually the most expensive per bit?
A · Cache Memory
Cache memory is the fastest memory type but also the most expensive per bit compared to RAM and secondary storage.
Question bank
Tap to reveal →
In the memory hierarchy, which of the following correctly orders memory types from fastest to slowest?
B · Cache > RAM > Virtual Memory > HDD
Cache is fastest, followed by RAM, then virtual memory (which uses disk), and finally HDD is slowest.
Question bank
Tap to reveal →
Which memory type is typically used at the top of the memory hierarchy to improve CPU performance?
B · Cache Memory
Cache memory is placed closest to the CPU to provide the fastest access to frequently used data and instructions.
Question bank
Tap to reveal →
What is the primary purpose of an operating system in a computer?
A · To manage hardware and software resources
The operating system acts as an intermediary between users and the computer hardware, managing resources and providing a user interface.
Question bank
Tap to reveal →
Which of the following best defines an operating system?
A · A set of programs that manage computer hardware and software
An operating system is a software that manages hardware and software resources and provides common services for computer programs.
Question bank
Tap to reveal →
How does an operating system improve computer usability?
A · By providing a user-friendly interface and managing resources efficiently
Operating systems provide interfaces such as GUI or CLI and manage resources like memory and processes to improve usability.
Question bank
Tap to reveal →
Which type of operating system is designed to manage a single user and a single task at a time?
B · Single-user Single-tasking Operating System
Single-user single-tasking OS supports one user performing one task at a time, typical of early personal computers.
Question bank
Tap to reveal →
Which of the following is a characteristic of a real-time operating system (RTOS)?
A · Processes data with strict timing constraints
RTOS is designed to process data and events within strict time constraints, used in embedded systems and critical applications.
Question bank
Tap to reveal →
Which type of operating system allows multiple users to access the computer resources simultaneously?
B · Multi-user Operating System
Multi-user OS supports multiple users simultaneously by managing and allocating resources fairly.
Question bank
Tap to reveal →
Which of the following is an example of a distributed operating system?
C · Amoeba
Amoeba is a distributed OS that manages a collection of independent computers and makes them appear as a single system.
Question bank
Tap to reveal →
Which of the following is NOT a primary function of an operating system?
C · Compiling source code
Compiling source code is done by compilers, not by the operating system.
Question bank
Tap to reveal →
Which function of the operating system is responsible for allocating CPU time to various processes?
B · Process Management
Process management includes scheduling and allocating CPU time to processes.
Question bank
Tap to reveal →
Which function of the operating system manages the storage and retrieval of data on disk drives?
B · File System Management
File system management controls how data is stored, organized, and accessed on storage devices.
Question bank
Tap to reveal →
Which of the following is a HARD function of an operating system?
C · Handling deadlocks and synchronization
Handling deadlocks and synchronization requires advanced algorithms and is considered a complex function.
Question bank
Tap to reveal →
Which user interface type allows users to interact with the computer using graphical icons and visual indicators?
B · Graphical User Interface (GUI)
GUI allows interaction through graphical elements like windows, icons, and menus.
Question bank
Tap to reveal →
Which user interface type requires users to type commands to perform tasks?
B · Command Line Interface (CLI)
CLI requires users to input commands via keyboard to interact with the system.
Question bank
Tap to reveal →
Which user interface type presents a list of options to the user to choose from?
A · Menu-driven Interface
Menu-driven interface allows users to select options from menus to perform tasks.
Question bank
Tap to reveal →
In process management, what is the term for a program in execution?
B · Process
A process is a program in execution with its own state and resources.
Question bank
Tap to reveal →
Which scheduling algorithm gives each process a fixed time slot in a cyclic order?
B · Round Robin
Round Robin scheduling assigns fixed time slices to processes in a cyclic manner.
Question bank
Tap to reveal →
What is a deadlock in process management?
B · When two or more processes wait indefinitely for resources held by each other
Deadlock occurs when processes wait indefinitely for resources locked by each other, causing a standstill.
Question bank
Tap to reveal →
Which memory management technique divides memory into fixed-sized partitions?
C · Fixed Partitioning
Fixed partitioning divides memory into fixed-sized blocks assigned to processes.
Question bank
Tap to reveal →
What is the main advantage of paging in memory management?
A · Eliminates external fragmentation
Paging divides memory into pages and frames, eliminating external fragmentation by allowing non-contiguous allocation.
Question bank
Tap to reveal →
What is virtual memory in operating systems?
B · A technique that uses disk space to extend apparent memory
Virtual memory uses disk space to simulate additional RAM, allowing larger programs to run.
Question bank
Tap to reveal →
Which file system attribute stores information about the file size, type, and permissions?
B · File Metadata
File metadata contains information about the file such as size, type, creation date, and permissions.
Question bank
Tap to reveal →
Which of the following is a common file allocation method used by operating systems?
A · Contiguous allocation
Contiguous allocation stores files in consecutive blocks on disk for faster access.
Question bank
Tap to reveal →
What is the purpose of journaling in file systems?
B · To keep track of changes to prevent data corruption
Journaling records changes before they are committed to prevent corruption during crashes.
Question bank
Tap to reveal →
Which device management function is responsible for managing communication between the CPU and peripheral devices?
B · Device drivers
Device drivers act as translators between the OS and hardware devices, managing communication.
Question bank
Tap to reveal →
Which of the following is NOT a function of device management in operating systems?
C · Scheduling CPU tasks
Scheduling CPU tasks is part of process management, not device management.
Question bank
Tap to reveal →
Which technique is used by operating systems to handle multiple device requests efficiently?
A · Interrupt-driven I/O
Interrupt-driven I/O allows devices to signal the CPU when ready, improving efficiency.
Question bank
Tap to reveal →
Which of the following is a common method of access control in operating systems?
A · Password authentication
Password authentication restricts access to authorized users, a key security method.
Question bank
Tap to reveal →
Which security feature of an operating system prevents unauthorized access to files and resources?
A · Access control lists (ACLs)
ACLs specify which users or system processes have access to objects, enforcing security policies.
Question bank
Tap to reveal →
Which of the following is a HARD security challenge for operating systems?
A · Preventing buffer overflow attacks
Buffer overflow attacks exploit memory vulnerabilities and require complex protection mechanisms.
Question bank
Tap to reveal →
Which of the following is NOT an example of a popular operating system?
C · Oracle
Oracle is a database management system, not an operating system.
Question bank
Tap to reveal →
Which operating system is known for its open-source nature and wide use in servers?
B · Linux
Linux is an open-source OS widely used in servers and embedded systems.
Question bank
Tap to reveal →
A file system uses a FAT (File Allocation Table) with 12-bit entries. If the disk size is 64 MB and the cluster size is 4 KB, what is the maximum number of files supported, and what is the maximum file size?
A · Max files: 4096; Max file size: 16 MB
Question bank
Tap to reveal →
In an operating system using a buddy system for memory allocation, the total memory is 1024 KB. If a process requests 100 KB, what is the size of the allocated block, and what is the fragmentation internal to that block?
A · Allocated block: 128 KB; Internal fragmentation: 28 KB
Question bank
Tap to reveal →
Which of the following best defines a file in computer systems?
A · A collection of related data stored on a storage device
A file is a collection of related data or information stored on a storage device such as a hard disk or SSD.
Question bank
Tap to reveal →
Which of the following is NOT a characteristic of a file?
B · Can be executed directly by the CPU without an operating system
Files cannot be executed directly by the CPU without an operating system; the OS manages file execution.
Question bank
Tap to reveal →
What does the file extension ".exe" typically indicate?
B · An executable program file
The ".exe" extension denotes an executable file that can run a program or application.
Question bank
Tap to reveal →
Which file type is commonly used for storing spreadsheet data?
B · .xls or .xlsx
Files with extensions ".xls" or ".xlsx" are Microsoft Excel spreadsheet files.
Question bank
Tap to reveal →
Which of the following file extensions is associated with a compressed archive file?
A · .zip
The ".zip" extension is used for compressed archive files that contain one or more files compressed to reduce size.
Question bank
Tap to reveal →
Which of the following file types is primarily used for storing web page content?
A · .html
Files with the ".html" extension contain HyperText Markup Language used for web pages.
Question bank
Tap to reveal →
Which file operation permanently removes a file from the storage device?
B · Delete
The delete operation removes a file from storage, freeing up space and making it inaccessible.
Question bank
Tap to reveal →
Which file operation would you use to change the name of an existing file without altering its contents?
B · Rename
Renaming a file changes its name but keeps the contents and location intact.
Question bank
Tap to reveal →
Which operation involves transferring a file from one directory to another, removing it from the original location?
B · Move
Moving a file transfers it to a new location and deletes it from the original directory.
Question bank
Tap to reveal →
Which of the following file operations is considered a complex operation due to its involvement with both source and destination management?
B · Move
Moving a file requires copying it to the new location and deleting it from the original, making it more complex.
Question bank
Tap to reveal →
Which file organization method stores records sequentially, one after another, on the storage medium?
A · Sequential organization
Sequential organization stores records in order, one after another, facilitating batch processing.
Question bank
Tap to reveal →
Which file organization technique allows direct access to records using a key field without reading other records first?
C · Direct (random) organization
Direct or random organization allows immediate access to a record using its address or key.
Question bank
Tap to reveal →
In file storage, what is the primary advantage of indexed file organization over sequential organization?
B · Ability to access records randomly using an index
Indexed organization uses an index to allow faster random access to records compared to sequential scanning.
Question bank
Tap to reveal →
Which file system is commonly used by Windows operating systems for managing files and directories?
A · NTFS
NTFS (New Technology File System) is the default file system used by modern Windows OS for file and directory management.
Question bank
Tap to reveal →
In a hierarchical file system, what is the term for a container that holds files and possibly other directories?
A · Folder
A folder (or directory) is a container used to organize files and other folders in a hierarchical structure.
Question bank
Tap to reveal →
Which of the following is a feature of the ext4 file system used in Linux environments?
A · Supports journaling to protect against data corruption
ext4 supports journaling, which helps prevent data corruption during unexpected shutdowns or crashes.
Question bank
Tap to reveal →
Which utility software is primarily used to compress files to save disk space?
B · File Compression Utility
File compression utilities reduce file size by encoding data more efficiently.
Question bank
Tap to reveal →
Which of the following utilities is used to check and repair file system errors on a disk?
B · Disk Check (CHKDSK)
CHKDSK scans the disk for file system errors and attempts to repair them.
Question bank
Tap to reveal →
Which software utility helps in creating copies of files and folders to prevent data loss?
A · Backup Utility
Backup utilities create copies of data to restore in case of data loss or corruption.
