Master Computer Fundamentals: Top 100+ GK Questions You Must Solve Before Your Next Interview

Q: What is the full form of HTTP?
A: HyperText Transfer Protocol
Q: What is the main page of a website called?
A: Home page
Q: What does CPU stand for?
A: Central Processing Unit
Q: What does RAM stand for?
A: Random Access Memory
Q: What does ROM stand for?
A: Read-Only Memory
Q: What does URL stand for?
A: Uniform Resource Locator
Q: What is an operating system?
A: Software that manages computer hardware and software
Q: What does WWW stand for?
A: World Wide Web
Q: What is a web browser?
A: Software to access the internet
Q: What is the brain of the computer?
A: CPU
Q: What is a computer virus?
A: Malicious software that harms computers
Q: What is the main function of a printer?
A: To produce hard copies of documents
Q: What is software?
A: Programs and operating information used by a computer
Q: What does PDF stand for?
A: Portable Document Format
Q: What is a byte?
A: A unit of digital information
Q: What is the full form of USB?
A: Universal Serial Bus
Q: What does GUI stand for?
A: Graphical User Interface
Q: What is an IP address?
A: A unique address for a device on a network
Q: What does BIOS stand for?
A: Basic Input/Output System
Q: What is a hard drive?
A: A device to store data
Q: What is the function of a mouse?
A: To point and click on items on the screen
Q: What is an email?
A: Electronic mail
Q: What does LAN stand for?
A: Local Area Network
Q: What does WAN stand for?
A: Wide Area Network
Q: What is the purpose of a firewall?
A: To protect a network from unauthorized access
Q: What is a pixel?
A: The smallest unit of a digital image
Q: What does HTML stand for?
A: HyperText Markup Language
Q: What is a modem?
A: A device that connects a computer to the internet
Q: What is the use of a spreadsheet?
A: To organize and analyze data in tabular form
Q: What is a network?
A: A group of interconnected computers
Q: What does VPN stand for?
A: Virtual Private Network
Q: What is cloud computing?
A: Storing and accessing data over the internet
Q: What is malware?
A: Malicious software designed to harm a computer
Q: What is the function of a router?
A: To direct data between networks
Q: What does AI stand for?
A: Artificial Intelligence
Q: What is an algorithm?
A: A set of steps to solve a problem
Q: What is phishing?
A: A scam to steal personal information via email
Q: What does SSD stand for?
A: Solid State Drive
Q: What is Bluetooth?
A: A technology for wireless communication
Q: What is a hyperlink?
A: A link from one webpage to another
Q: What is bandwidth?
A: The maximum data transfer rate of a network
Q: What is the full form of SMS?
A: Short Message Service
Q: What is a domain name?
A: The address of a website
Q: What does SQL stand for?
A: Structured Query Language
Q: What is an app?
A: Application software
Q: What is the full form of ISP?
A: Internet Service Provider
Q: What is encryption?
A: Converting data into a code for security
Q: What is a bot?
A: Software that performs automated tasks
Q: What does FTP stand for?
A: File Transfer Protocol
Q: What is a cookie in web terms?
A: Data stored by a website on a userтАЩs computer
Q: What is a search engine?
A: A tool to find information on the internet
Q: What does DNS stand for?
A: Domain Name System
Q: What is e-commerce?
A: Buying and selling goods online
Q: What is spyware?
A: Software that secretly collects user information
Q: What is a blog?
A: A regularly updated website or web page
Q: What is the full form of JPEG?
A: Joint Photographic Experts Group
Q: What is the full form of GIF?
A: Graphics Interchange Format
Q: What does XML stand for?
A: eXtensible Markup Language
Q: What is a QR code?
A: Quick Response code
Q: What is the full form of API?
A: Application Programming Interface
Q: What is a cache?
A: A storage area for temporary data
Q: What does URL stand for?
A: Uniform Resource Locator
Q: What is the function of a scanner?
A: To convert physical documents into digital format
Q: What is a graphics card?
A: Hardware that renders images
Q: What does DNS stand for?
A: Domain Name System
Q: What is a database?
A: Organized collection of data
Q: What is the full form of HTTP?
A: HyperText Transfer Protocol
Q: What is VoIP?
A: Voice over Internet Protocol
Q: What is the function of a motherboard?
A: It holds and allows communication between computer components
Q: What is a chatbot?
A: Software that simulates conversation with users
Q: What is an SSD?
A: Solid State Drive
Q: What is a URL?
A: Uniform Resource Locator
Q: What is the use of Excel?
A: To create spreadsheets for data analysis
Q: What does BIOS stand for?
A: Basic Input/Output System
Q: What is an IP address?
A: A unique address for a device on a network
Q: What is a firewall?
A: Security system that controls incoming and outgoing network traffic
Q: What does PDF stand for?
A: Portable Document Format
Q: What is the function of a webcam?
A: To capture video
Q: What is phishing?
A: Fraudulent attempt to obtain sensitive information
Q: What is the full form of SQL?
A: Structured Query Language
Q: What is the full form of RAM?
A: Random Access Memory
Q: What is a botnet?
A: A network of infected computers controlled as a group
Q: What is the function of a USB port?
A: To connect peripheral devices to a computer
Q: What is the full form of ISP?
A: Internet Service Provider
Q: What is an operating system?
A: Software that manages computer hardware and software
Q: What does GUI stand for?
A: Graphical User Interface
Q: What is the function of a modem?
A: To connect a computer to the internet
Q: What is malware?
A: Malicious software designed to harm a computer
Q: What is the full form of BIOS?
A: Basic Input/Output System
Q: What is cloud storage?
A: Storing data on the internet
Q: What is the full form of IP?
A: Internet Protocol
Q: What is the main function of a printer?
A: To produce hard copies of documents
Q: What is the full form of AI?
A: Artificial Intelligence
Q: What is a QR code?
A: Quick Response code
Q: What is the full form of API?
A: Application Programming Interface
Q: What is a byte?
A: A unit of digital information
Q: What is the full form of LAN?
A: Local Area Network
Q: What is the function of a router?
A: To direct data between networks
Q: What is encryption?
A: Converting data into a code for security
Q: What is the main page of a website called?
A: Home page
Q: What is a pixel?
A: The smallest unit of a digital image
Q: What does WAN stand for?
A: Wide Area Network
Q: What is a blog?
A: A regularly updated website or web page
Q: What is cloud computing?
A: Storing and accessing data over the internet
Q: What is spyware?
A: Software that secretly collects user information
Q: What is a bot?
A: Software that performs automated tasks
Q: What is the full form of USB?
A: Universal Serial Bus
Q: What is the function of a scanner?
A: To convert physical documents into digital format
Q: What is e-commerce?
A: Buying and selling goods online
Q: What does FTP stand for?
A: File Transfer Protocol
Q: What is the full form of GIF?
A: Graphics Interchange Format
Q: What is a database?
A: Organized collection of data
Q: What is a hyperlink?
A: A link from one webpage to another
Q: What is a graphics card?
A: Hardware that renders images
Q: What does DNS stand for?
A: Domain Name System
Q: Who is known as the father of the computer?
A: Charles Babbage
Q: What does CPU stand for?
A: Central Processing Unit
Q: Which part of the computer is considered the brain?
A: CPU
Q: What does RAM stand for?
A: Random Access Memory
Q: What does ROM stand for?
A: Read-Only Memory
Q: Which is the first mechanical computer?
A: Analytical Engine
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: Who invented the World Wide Web?
A: Tim Berners-Lee
Q: What is the main function of the ALU?
A: Perform arithmetic and logical operations
Q: What is an input device?
A: A device used to enter data into a computer (e.g., Keyboard, Mouse)
Q: Give an example of an output device.
A: Monitor, Printer
Q: What is system software?
A: Software that controls hardware and provides a platform for applications
Q: Name one example of application software.
A: Microsoft Word
Q: What is firmware?
A: Software permanently stored in hardware
Q: What type of memory is non-volatile?
A: ROM
Q: What does BIOS stand for?
A: Basic Input Output System
Q: Which storage device has no moving parts?
A: Solid State Drive (SSD)
Q: Which device is used to connect to the internet?
A: Modem
Q: What is cache memory?
A: High-speed memory for storing frequently used data
Q: What is IP address?
A: A unique number assigned to a device connected to a network
Q: What is LAN?
A: Local Area Network
Q: What is WAN?
A: Wide Area Network
Q: What is a domain name?
A: A human-readable website address (e.g., google.com)
Q: What is DNS?
A: Domain Name System
Q: What does URL stand for?
A: Uniform Resource Locator
Q: What is cloud computing?
A: Storing and accessing data over the internet
Q: Which protocol is used to send emails?
A: SMTP (Simple Mail Transfer Protocol)
Q: Which protocol is used to receive emails?
A: POP3 or IMAP
Q: What is a firewall?
A: A security system that monitors and controls network traffic
Programming and Databases
Q: What is a programming language?
A: A set of instructions to communicate with a computer
Q: Name one high-level programming language.
A: Python
Q: What does SQL stand for?
A: Structured Query Language
Q: What is a database?
A: An organized collection of data
Q: Name one popular database management system.
A: MySQL
Q: What is open-source software?
A: Software with freely available source code
Q: Which language is mainly used for web development?
A: HTML, CSS, JavaScript
Q: What does API stand for?
A: Application Programming Interface
Q: What is debugging?
A: Finding and fixing errors in a program
Q: What is machine code?
A: Binary code that the computerтАЩs processor understands
Miscellaneous
Q: What is cyber security?
A: Protecting systems from digital attacks
Q: What is phishing?
A: Fraudulent attempts to obtain sensitive information
Q: What is encryption?
A: Converting data into a secure format
Q: What is a virus in computing?
A: Malicious software that can damage data and systems
Q: What is artificial intelligence?
A: The simulation of human intelligence by machines
Q: What is IoT?
A: Internet of Things тАУ interconnected smart devices
Q: What is blockchain?
A: A secure, decentralized ledger technology
Q: What is a QR code?
A: Quick Response code used for storing information
Q: What is metadata?
A: Data about data
Q: What is virtual reality?
A: A simulated 3D environment experienced using devices like VR headsets




