Computer question answer | Computer general knowledge

Computers are an important part of our daily life. We use them for studying, working, playing, and communicating. Knowing some basic facts about computers helps students understand technology and prepares them for the digital world.

Computer GK Question answer

Q: What is a computer?
A: A computer is an electronic machine that can store, process, and display data.

Q: Who is known as the father of computers?
A: Charles Babbage.

Q: What is the brain of the computer?
A: CPU (Central Processing Unit).

Q: What is the full form of CPU?
A: Central Processing Unit.

Q: What are the three main parts of the CPU?
A: ALU, CU, and Memory Unit.

Q: What does ALU stand for?
A: Arithmetic Logic Unit.

Q: What is the full form of CU?
A: Control Unit.

Q: What is the main function of the CPU?
A: To process data and perform calculations.

Q: What is the main storage device in a computer?
A: Hard Disk Drive (HDD).

Q: What is the full form of HDD?
A: Hard Disk Drive.

Q: What is the full form of RAM?
A: Random Access Memory.

Q: What is the full form of ROM?
A: Read Only Memory.

Q: What is the difference between RAM and ROM?
A: RAM is temporary memory, ROM is permanent memory.

Q: What type of memory is lost when the computer is turned off?
A: RAM.

Q: What is used to give input to a computer?
A: Input devices.

Q: Give two examples of input devices.
A: Keyboard and Mouse.

Q: What is used to show output from a computer?
A: Output devices.

Q: Give two examples of output devices.
A: Monitor and Printer.

Q: What is the full form of USB?
A: Universal Serial Bus.

Q: What device is used to store data permanently?
A: Hard drive or Pen drive.

Q: What is a Pen Drive?
A: A small device used to store and transfer data.

Q: What is the full form of DVD?
A: Digital Versatile Disc.

Q: What is the full form of CD?
A: Compact Disc.

Q: What is the full form of LCD?
A: Liquid Crystal Display.

Q: What is the full form of LED?
A: Light Emitting Diode.

Q: What is the main screen of the computer called?
A: Desktop.

Q: What is an operating system?
A: It is software that controls the computer hardware and software.

Q: Give two examples of operating systems.
A: Windows and Linux.

Q: What is the full form of GUI?
A: Graphical User Interface.

Q: What is the full form of DOS?
A: Disk Operating System.

Q: What is the full form of BIOS?
A: Basic Input Output System.

Q: What is software?
A: Software is a set of programs that tells the computer what to do.

Q: What are the two main types of software?
A: System software and Application software.

Q: Give an example of system software.
A: Windows or macOS.

Q: Give an example of application software.
A: MS Word or Paint.

Q: What is MS Word used for?
A: Writing and editing documents.

Q: What is MS Excel used for?
A: Making tables and calculations.

Q: What is MS PowerPoint used for?
A: Creating presentations.

Q: What is the full form of MS?
A: Microsoft.

Q: What is a printer used for?
A: To print text or pictures on paper.

Q: What is a scanner used for?
A: To copy pictures or text into the computer.

Q: What is a mouse used for?
A: To point, click, and select items on the screen.

Q: What is a keyboard used for?
A: To type letters, numbers, and symbols.

Q: What are the small pictures on the desktop called?
A: Icons.

Q: What is the use of the Recycle Bin?
A: It stores deleted files temporarily.

Q: What is the full form of WWW?
A: World Wide Web.

Q: What is the full form of URL?
A: Uniform Resource Locator.

Q: What is the full form of HTML?
A: HyperText Markup Language.

Q: What is the full form of HTTP?
A: HyperText Transfer Protocol.

Q: What is the full form of IP?
A: Internet Protocol.

Q: What is a browser?
A: A program used to open websites.

Q: Give two examples of web browsers.
A: Google Chrome and Mozilla Firefox.

Q: What is the full form of ISP?
A: Internet Service Provider.

Q: What is Wi-Fi?
A: A wireless network used to connect to the Internet.

Q: What is the full form of LAN?
A: Local Area Network.

Q: What is the full form of WAN?
A: Wide Area Network.

Q: What is the full form of IP address?
A: Internet Protocol Address.

Q: What is the use of antivirus software?
A: To protect the computer from viruses.

Q: What is a virus in a computer?
A: A harmful program that damages files and software.

Q: What is a firewall?
A: A security system that protects the computer from unauthorized access.

Q: What is the full form of PDF?
A: Portable Document Format.

Q: What is the full form of JPEG?
A: Joint Photographic Experts Group.

Q: What is the full form of PNG?
A: Portable Network Graphics.

Q: What is the full form of GIF?
A: Graphics Interchange Format.

Q: What is the full form of ZIP?
A: Zone Improvement Plan (for files, ZIP means compressed format).

Q: What is the full form of IP in networking?
A: Internet Protocol.

Q: What is the full form of DNS?
A: Domain Name System.

Q: What is the full form of VPN?
A: Virtual Private Network.

Q: What is the full form of AI?
A: Artificial Intelligence.

Q: What is the full form of IoT?
A: Internet of Things.

Q: What is the full form of SMS?
A: Short Message Service.

Q: What is the full form of GPS?
A: Global Positioning System.

Q: What is the full form of URL?
A: Uniform Resource Locator.

Q: What is the full form of IP?
A: Internet Protocol.

Q: What is the main part of a computer called?
A: System Unit.

Q: What are the three stages of data processing?
A: Input, Process, Output.

Q: What is data?
A: Raw facts and figures.

Q: What is information?
A: Processed data that has meaning.

Q: What is a bit?
A: The smallest unit of data.

Q: What is a byte?
A: A group of 8 bits.

Q: What is the full form of KB?
A: Kilobyte.

Q: What is the full form of MB?
A: Megabyte.

Q: What is the full form of GB?
A: Gigabyte.

Q: What is the full form of TB?
A: Terabyte.

Q: What is a supercomputer?
A: The fastest and most powerful type of computer.

Q: What is a laptop?
A: A portable computer.

Q: What is a tablet?
A: A small, touchscreen computer.

Q: What is a smartphone?
A: A mobile phone with computer features.

Q: What is cloud computing?
A: Storing and accessing data online instead of on your computer.

Q: What is the Internet?
A: A global network connecting computers worldwide.

Q: What is email?
A: Sending and receiving messages over the Internet.

Q: What is the full form of e-mail?
A: Electronic Mail.

Q: What is a search engine?
A: A tool used to find information on the Internet.

Q: Give two examples of search engines.
A: Google and Bing.