Computer GK Questions for Competitive Exams

Computer GK Questions for Competitive Exams

Basic Computer GK Questions

  1. What does CPU stand for?
  2. Which device is known as the brain of the computer?
  3. What is the full form of RAM?
  4. Which memory is volatile in nature?
  5. What does ROM stand for?
  6. Which input device is used to point and click?
  7. What is the full form of USB?
  8. Which device is used to print documents?
  9. What is the main function of an operating system?
  10. Which part of the computer performs arithmetic calculations?

💾 Hardware & Software

  1. What is hardware?
  2. What is software?
  3. Give one example of system software.
  4. Give one example of application software.
  5. Which storage device has no moving parts?
  6. What is the function of a motherboard?
  7. Which component stores data permanently?
  8. What is the use of a keyboard?
  9. What does a scanner do?
  10. What type of device is a monitor?

🌐 Internet & Networking

  1. What does URL stand for?
  2. What is the full form of HTTP?
  3. What is the purpose of a web browser?
  4. Name one popular web browser.
  5. What is email?
  6. What does Wi-Fi stand for?
  7. What is a search engine?
  8. Name one search engine.
  9. What is the internet?
  10. What is a website?

🔐 Cyber Safety & Basics

  1. What is a virus in a computer?
  2. What is antivirus software?
  3. What is a strong password?
  4. What is phishing?
  5. What is spam email?
  6. Why is it important to update software?
  7. What is data backup?
  8. What is a firewall?
  9. What is cyber security?
  10. What should you do if you receive a suspicious email?

📊 Advanced Basics (Competitive Level)

  1. What is the binary number system?
  2. How many bits are there in one byte?
  3. What does ALU stand for?
  4. What is cloud computing?
  5. What is an IP address?
  6. What is the function of cache memory?
  7. What is open-source software?
  8. What is artificial intelligence (AI)?
  9. What is machine learning?
  10. What is the difference between RAM and ROM?

Basic Computer GK Answers

  1. CPU – Central Processing Unit
  2. CPU
  3. RAM – Random Access Memory
  4. RAM
  5. ROM – Read Only Memory
  6. Mouse
  7. USB – Universal Serial Bus
  8. Printer
  9. To manage hardware and software resources
  10. ALU (Arithmetic Logic Unit)

💾 Hardware & Software Answers

  1. Physical parts of a computer
  2. Programs and instructions that run on a computer
  3. Operating System (e.g., Windows, Linux)
  4. MS Word / Excel / Browser
  5. SSD (Solid State Drive)
  6. Connects all components of the computer
  7. Hard disk / SSD / ROM
  8. To input text and commands
  9. Converts physical documents into digital form
  10. Output device

🌐 Internet & Networking Answers

  1. URL – Uniform Resource Locator
  2. HTTP – HyperText Transfer Protocol
  3. To access and view websites
  4. Google Chrome / Mozilla Firefox / Edge
  5. Electronic mail used to send messages
  6. Wireless Fidelity
  7. A tool to find information on the internet
  8. Google / Bing / Yahoo
  9. A global network of connected computers
  10. A collection of web pages on the internet

🔐 Cyber Safety & Basics Answers

  1. Malicious software that harms a computer
  2. Software that detects and removes viruses
  3. A password with letters, numbers, and symbols
  4. Fraud to steal sensitive information online
  5. Unwanted or junk email
  6. To fix bugs and improve security
  7. Copy of data stored for safety
  8. Security system that blocks unauthorized access
  9. Protection of systems and data from attacks
  10. Do not open it; delete or report it

📊 Advanced Basics Answers

  1. A number system using only 0 and 1
  2. 8 bits
  3. ALU – Arithmetic Logic Unit
  4. Storing and accessing data over the internet
  5. Unique address of a device on a network
  6. Speeds up data access
  7. Software with source code freely available
  8. Simulation of human intelligence by machines
  9. A subset of AI that enables learning from data
  10. RAM is temporary (volatile), ROM is permanent (non-volatile)