Q.1 Which of the following is an input device?
Monitor
Keyboard
Printer
Speaker
Explanation - A keyboard is used to input data into a computer, while monitors and speakers are output devices and printers produce hard copies.
Correct answer is: Keyboard
Q.2 Which component is considered the brain of the computer?
RAM
CPU
Hard Drive
GPU
Explanation - The CPU (Central Processing Unit) processes instructions and manages operations, acting like the brain of the computer.
Correct answer is: CPU
Q.3 What type of memory is volatile?
ROM
RAM
Hard Disk
SSD
Explanation - RAM loses all stored data when power is turned off, making it volatile memory.
Correct answer is: RAM
Q.4 Which storage device has no moving parts and is faster than HDDs?
SSD
CD-ROM
Floppy Disk
Magnetic Tape
Explanation - SSDs (Solid State Drives) use flash memory with no moving parts, offering faster performance compared to HDDs.
Correct answer is: SSD
Q.5 What does BIOS stand for?
Basic Input Output System
Binary Input Output System
Basic Internal Operating System
Base Integrated Operating Software
Explanation - BIOS initializes hardware during the booting process and provides runtime services for the OS.
Correct answer is: Basic Input Output System
Q.6 Which one is NOT an operating system?
Windows
Linux
Android
Oracle
Explanation - Oracle is a database management system, while Windows, Linux, and Android are operating systems.
Correct answer is: Oracle
Q.7 Which component temporarily holds data and instructions for processing?
RAM
Hard Disk
Monitor
Cache
Explanation - RAM stores temporary data and instructions needed by the CPU during processing.
Correct answer is: RAM
Q.8 What is the function of an operating system?
Perform calculations
Manage hardware and software resources
Display graphics
Connect to the Internet
Explanation - The operating system manages hardware, software, memory, and processes, acting as an interface between user and hardware.
Correct answer is: Manage hardware and software resources
Q.9 Which of the following is an example of system software?
MS Word
Windows 10
Photoshop
Google Chrome
Explanation - System software includes operating systems like Windows that manage hardware and provide platform for applications.
Correct answer is: Windows 10
Q.10 What is the permanent memory built into a computer called?
RAM
ROM
Cache
Register
Explanation - ROM (Read-Only Memory) stores permanent instructions that help boot the system.
Correct answer is: ROM
Q.11 Which type of software allows users to perform specific tasks like writing documents?
Application Software
System Software
Utility Software
Firmware
Explanation - Application software is designed for end-users to perform tasks like word processing or web browsing.
Correct answer is: Application Software
Q.12 Which of the following is NOT an output device?
Monitor
Speaker
Printer
Scanner
Explanation - A scanner is an input device used to digitize documents, while monitors, speakers, and printers provide output.
Correct answer is: Scanner
Q.13 Which company developed the Windows operating system?
Apple
Microsoft
Google
IBM
Explanation - Microsoft Corporation developed the Windows operating system.
Correct answer is: Microsoft
Q.14 What does GUI stand for?
Graphical User Interface
General User Interaction
Graphical Utility Integration
Global User Input
Explanation - GUI is a visual interface allowing users to interact with a computer using icons and menus instead of text commands.
Correct answer is: Graphical User Interface
Q.15 Which of these is an example of open-source software?
Linux
MS Office
Adobe Photoshop
Windows 11
Explanation - Linux is open-source, meaning its source code is available for anyone to modify and distribute.
Correct answer is: Linux
Q.16 Which unit of measurement is used for processor speed?
Hertz
Bytes
Volts
Watts
Explanation - Processor speed is measured in Hertz (Hz), usually in GHz for modern CPUs.
Correct answer is: Hertz
Q.17 Which memory is the fastest?
Cache
RAM
Hard Disk
DVD
Explanation - Cache memory is located inside or near the CPU, making it the fastest memory.
Correct answer is: Cache
Q.18 Which key combination is commonly used to copy selected text?
Ctrl + X
Ctrl + C
Ctrl + V
Ctrl + Z
Explanation - Ctrl + C is the standard shortcut to copy selected text or files.
Correct answer is: Ctrl + C
Q.19 What is the function of device drivers?
Store user files
Connect computers to the Internet
Allow OS to communicate with hardware
Improve system speed
Explanation - Device drivers enable the operating system to control and communicate with hardware devices.
Correct answer is: Allow OS to communicate with hardware
Q.20 Which type of memory is used for storing the operating system and applications when the computer is off?
RAM
ROM
Hard Disk/SSD
Cache
Explanation - Hard disks and SSDs provide non-volatile storage that retains data when the computer is off.
Correct answer is: Hard Disk/SSD
Q.21 What is an example of utility software?
Disk Cleanup
MS Word
Google Chrome
Adobe Illustrator
Explanation - Utility software helps maintain or optimize the computer, like disk cleanup or antivirus programs.
Correct answer is: Disk Cleanup
Q.22 Which of the following is an example of cloud storage?
Dropbox
RAM
SSD
Cache
Explanation - Cloud storage services like Dropbox allow files to be stored and accessed online.
Correct answer is: Dropbox
Q.23 Which port is commonly used for connecting a keyboard and mouse in older computers?
USB
HDMI
PS/2
VGA
Explanation - PS/2 ports were commonly used for connecting keyboards and mice before USB became standard.
Correct answer is: PS/2
Q.24 Which is an example of a mobile operating system?
Windows 10
Linux
iOS
Ubuntu
Explanation - iOS is Apple's mobile operating system for iPhones and iPads.
Correct answer is: iOS
Q.25 Which company developed the Macintosh computer?
IBM
Microsoft
Apple
Intel
Explanation - Apple developed the Macintosh (Mac) series of personal computers.
Correct answer is: Apple