Boost Your Tech IQ: 50 Must-Know Computer GK Questions
💻 Fundamentals & Hardware
Who is known as the Father of Computers?
Answer: Charles Babbage
What is the brain of the computer?
Answer: CPU (Central Processing Unit)
What does RAM stand for?
Answer: Random Access Memory
Which part of the computer is responsible for mathematical calculations?
Answer: ALU (Arithmetic Logic Unit)
1 Gigabyte (GB) is equal to how many Megabytes (MB)?
Answer: 1024 MB
What is the physical part of a computer called?
Answer: Hardware
Which is a primary storage device?
Answer: RAM / ROM
What kind of device is a Printer?
Answer: Output Device
What does BIOS stand for?
Answer: Basic Input Output System
What is the main circuit board of a computer called?
Answer: Motherboard
🌐 Internet & Networking
- What does WWW stand for?
- Answer: World Wide Web
- Who invented the World Wide Web?
- Answer: Tim Berners-Lee
- What is the full form of HTTP?
- Answer: Hypertext Transfer Protocol
- Which protocol is used to send emails?
- Answer: SMTP (Simple Mail Transfer Protocol)
- What is the full form of URL?
- Answer: Uniform Resource Locator
- What is a “Firewall” used for?
- Answer: Security (protecting against unauthorized access)
- Which network covers a small geographic area like a home or office?
- Answer: LAN (Local Area Network)
- What does IP stand for in IP Address?
- Answer: Internet Protocol
- What is the first page of a website called?
- Answer: Home Page
- Which device connects your computer to the Internet?
- Answer: Modem
📂 Software & Operating Systems
Windows, macOS, and Linux are examples of what?
Answer: Operating Systems
What is the full form of PDF?
Answer: Portable Document Format
Which software is used to view websites?
Answer: Web Browser
MS Word is an example of what type of software?
Answer: Application Software (Word Processor)
What is the shortcut key for “Copy”?
Answer: Ctrl + C
What is the extension of an MS Excel file?
Answer: .xlsx
What is “Open Source” software?
Answer: Software whose source code is available for anyone to modify.
What does GUI stand for?
Answer: Graphical User Interface
Which shortcut key is used to “Undo” an action?
Answer: Ctrl + Z
What is the smallest unit of data in a computer?
Answer: Bit
🛡️ Cybersecurity & Programming
A program that can infect a computer and damage data is called a?
Answer: Virus
What is the full form of VPN?
Answer: Virtual Private Network
Which language is known as the “Mother of all languages”?
Answer: C Language
What is the binary representation of the decimal number 2?
Answer: 10
What does SQL stand for?
Answer: Structured Query Language
What is “Phishing”?
Answer: A cybercrime where targets are contacted by email/phone to lure them into providing sensitive data.
Who is the founder of Microsoft?
Answer: Bill Gates and Paul Allen
What does PNG stand for in images?
Answer: Portable Network Graphics
Which language is primarily used for Android App development?
Answer: Kotlin / Java
What is the full form of USB?
Answer: Universal Serial Bus
🚀 Advanced & History
What was the first mechanical computer?
Answer: Analytical Engine
What does COBOL stand for?
Answer: Common Business Oriented Language
Which company developed the Java programming language?
Answer: Sun Microsystems
What is the process of starting a computer called?
Answer: Booting
What is a “Bug” in computer terminology?
Answer: An error in a program.
Which storage has the highest capacity: CD, DVD, or Blu-ray?
Answer: Blu-ray
What is the full form of SSD?
Answer: Solid State Drive
Who is the founder of Apple?
Answer: Steve Jobs, Steve Wozniak, and Ronald Wayne
What is the shortcut to permanently delete a file (bypassing Recycle Bin)?
Answer: Shift + Delete
What does AI stand for?
Answer: Artificial Intelligence
