Introduction:
The word ‘Computer’ has derived from an English word ‘Compute’, which means ‘To Calculate’. British scientist Charles Babbage was the first person to create an automatic calculator in 1833. He is known as ‘Father of Modern Computer’.
Here are 150+ Basic GK Question and Answer About Computer:
Q.1 What is a computer?
Answer: A Computer is an electronic machine that processes data into information.
Q.2 Who is known as the ‘Father of Computer’?
Answer: Charles Babbage
Q.3 What is the full form of CPU?
Answer: Central Processing Unit
Q.4 Which part of the computer is known as the brain of the computer?
Answer: CPU
Q.5 What does ALU stand for?
Answer: Arithmetic Logic Unit
Q.6 What does RAM stand for?
Answer: Random Access Memory
Q.7 What does ROM stand for?
Answer: Read Only Memory
Q.8 Which memory is volatile?
Answer: RAM
Q.9 Which memory is non-volatile?
Answer: ROM
Q.10 What is the full form of HDD?
Answer: Hard Disk Drive
Q.11 What is the full form of SSD?
Answer: Solid State Drive
Q.12 What does USB stand for?
Answer: Universal Serial Bus
Q.13 What is software?
Answer: A set of instructions given to a computer that tells what to do and how to do specific task. E.g. MS-Word, MS-Excel Etc.
Q.14 What is hardware?
Answer: A hardware is the physical components of a computer that we can touch. Eg: Keyboard, Mouse, Printer Etc.
Q.15 What is a website?
Answer: A collection of web pages
Q.16 Which was the first electronic computer?
Answer: ENIAC
Q.17 What does ENIAC stand for?
Answer: Electronic Numerical Integrator and Computer
Q.18 Who invented the first computer?
Answer: Charles Babbage
Q.19 What is the full form of WWW?
Answer: World Wide Web
Q.20 Who invented WWW?
Answer: Tim Berners-Lee
Q.21 What is the full form of LAN?
Answer: Local Area Network
Q.22 What is the full form of MAN?
Answer: Metropolitan Area Network
Q.23 What is the full form of WAN?
Answer: Wide Area Network
Q.24 What is an input device?
Answer: A device which is used to enter data into a computer. Eg: Keyboard, Mouse, Webcam Etc.
Q.25 What is blogging?
Answer: Writing content on a website
Q.26 What is an output device?
Answer: A device that displays output from a computer. Eg: Printer, Speaker, Plotter etc.
Q.27 Name one social media platform?
Answer: Facebook
Q.28 What is the full form of GUI?
Answer: Graphical User Interface
Q.29 What is the full form of CLI?
Answer: Command Line Interface
Q.30 What is a keyboard?
Answer: A keyboard is an input device which is used to type data into computer.
Q.31 What is a mouse?
Answer: A mouse is a pointing input device.
Q.32 What is a monitor?
Answer: A monitor is an output device used to display information.
Q.33 What is social media?
Answer: Online platforms for interaction
Q.34 What is the full form of PDF?
Answer: Portable Document Format
Q.35 What is the full form of MS Word?
Answer: Microsoft Word
Q.36 What type of software is MS Word?
Answer: Application software
Q.37 What is MS Excel used for?
Answer: Spreadsheet calculations
Q.38 What is MS PowerPoint used for?
Answer: Creating presentations
Q.39 What is the full form of DOS?
Answer: Disk Operating System
Q.40 Who developed Windows OS?
Answer: Microsoft
Q.41 Who is the founder of Microsoft?
Answer: Bill Gates
Q.42 What is the full form of OS?
Answer: Operating System
Q.43 What is system software?
Answer: Software that controls computer operations.
Q.44 What is Dropbox?
Answer: It is a Cloud-based file storage service
Q.45 What is the full form of BIOS?
Answer: Basic Input Output System
Q.46 What is the full form of IP address?
Answer: Internet Protocol Address
Q.47 What is the full form of URL?
Answer: Uniform Resource Locator
Q.48 What is the full form of HTTP?
Answer: Hyper Text Transfer Protocol
Q.49 What is the full form of HTTPS?
Answer: Hyper Text Transfer Protocol Secure
Q.50 What is an antivirus?
Answer: A Software that protects against viruses in computer system.
Q.51 What is a computer virus?
Answer: A malicious program that damages data of a computer.
Q.52 What is malware?
Answer: Harmful software
Q.53 What is a firewall?
Answer: Security System that blocks unauthorized access.
Q.54 What is the full form of CD?
Answer: Compact Disc
Q.55 What is the full form of DVD?
Answer: Digital Versatile Disc
Q.56 What is the full form of KB?
Answer: Kilobyte
Q.57 What is the full form of MB?
Answer: Megabyte
Q.58 What is the full form of GB?
Answer: Gigabyte
Q.59 What is the full form of TB?
Answer: Terabyte
Q.60 What is cloud computing?
Answer: Internet-based data storage and services.
Q.61 What is the full form of AI?
Answer: Artificial Intelligence
Q.62 What is the full form of ICT?
Answer: Information and Communication Technology
Q.63 What is the full form of ASCII?
Answer: American Standard Code for Information Interchange.
Q.64 What is binary number system based on?
Answer: 0 and 1
Q.65 What is the base of binary number system?
Answer: 2
Q.66 What is Google Drive?
Answer: Cloud storage service
Q.67 What is the full form of UPS?
Answer: Uninterruptible Power Supply
Q.68 What is a motherboard?
Answer: Main circuit board of a computer
Q.69 What is CPU clock speed measured in?
Answer: Hertz
Q.70 What is a byte?
Answer: A group of 8 bits
Q.71 What is a bit?
Answer: Smallest unit of data
Q.72 What is the full form of IT?
Answer: Information Technology
Q.73 What is a compiler?
Answer: Translates high-level language to machine code.
Q.74 What is an interpreter?
Answer: Translates code line by line.
Q.75 What is a browser?
Answer: Software to access the internet.
Q.76 Name one web browser?
Answer: Google Chrome
Q.77 What is email?
Answer: Electronic mail
Q.78 What is the full form of SMS?
Answer: Short Message Service
Q.79 What is the full form of OTP?
Answer: One Time Password
Q.80 What is e-commerce?
Answer: Buying and selling through internet.
Q.81 What is e-learning?
Answer: Online education
Q.82 What is a database?
Answer: Organized collection of data.
Q.83 What is DBMS?
Answer: Database Management System.
Q.84 What is the full form of SQL?
Answer: Structured Query Language
Q.85 What is cloud storage?
Answer: Online data storage
Q.86 What is the full form of CSS?
Answer: Cascading Style Sheets
Q.87 What is a network?
Answer: A group of connected computers
Q.88 What is multitasking?
Answer: Running multiple programs at once.
Q.89 What is booting?
Answer: Starting a computer
Q.90 What is rebooting?
Answer: Restarting a computer
Q.91 What is shut down?
Answer: Turning off the computer
Q.92 What is spreadsheet?
Answer: Software for calculations and data analysis.
Q.93 What is the full form of PPT?
Answer: PowerPoint Presentation
Q.94 What is open-source software?
Answer: Software with free source code.
Q.95 Name one open-source OS?
Answer: Linux
Q.96 What is proprietary software?
Answer: Software with restricted access.
Q.97 How RAM capacity measured in?
Answer: Bytes
Q.98 What is a supercomputer?
Answer: Very high-speed computer
Q.99 What is a mainframe computer?
Answer: Large and powerful computer
Q.100 What is a microcomputer?
Answer: Personal computer
Q.101 What is a laptop?
Answer: A portable personal computer
Q.102 What is a desktop computer?
Answer: A non-portable personal computer
Q.103 What is a tablet?
Answer: A touchscreen portable computing device.
Q.104 What is a smartphone?
Answer: A mobile device with computing functions.
Q.105 What is an IP address used for?
Answer: Identifying a device on a network
Q.106 What is the full form of ISP?
Answer: Internet Service Provider
Q.107 What is the full form of Wi-Fi?
Answer: Wireless Fidelity
Q.108 What is Bluetooth used for?
Answer: It is use to transfer Wireless data over short distances.
Q.109 What is a modem?
Answer: A device that connects a computer to the internet.
Q.110 What is a router?
Answer: A device that directs internet traffic.
Q.111 What is a server?
Answer: A computer that provides data to other computers.
Q.112 What is a client computer?
Answer: A computer that requests services from a server.
Q.113 What is a domain name?
Answer: The address of a website. E.g. www.testyourgk.in
Q.114 What is shareware?
Answer: Software with limited free use
Q.115 What is a search engine?
Answer: A tool to find information on the internet.
Q.116 What is debugging?
Answer: Removing errors from software
Q.117 What is freeware?
Answer: Free to use software
Q.118 What is an email attachment?
Answer: A file sent along with an email.
Q.119 What is spam mail?
Answer: Unwanted or junk email
Q.120 What is phishing?
Answer: It is an attempt to steal personal information online.
Q.121 What is cybercrime?
Answer: A crime committed using computers or internet.
Q.122 What is a software update?
Answer: Improvement or fix in software
Q.123 What is a bug?
Answer: Error in a program
Q.124 What is a file?
Answer: A collection of data is called file.
Q.125 What is a folder?
Answer: A container to store files.
Q.126 What is copy command used for?
Answer: To duplicate data
Q.127 What is cut command used for?
Answer: To move data
Q.128 What is paste command used for?
Answer: To place copied or cut data.
Q.129 What is a shortcut key?
Answer: A key combination to perform tasks quickly.
Q.130 What is Ctrl + C used for?
Answer: Copy
Q.131 What is Ctrl + V used for?
Answer: Paste
Q.132 What is Ctrl + X used for?
Answer: Cut
Q.133 What is Ctrl + Z used for?
Answer: Undo
Q.134 What is Ctrl + S used for?
Answer: Save
Q.135 What is Ctrl + P used for?
Answer: Print
Q.136 What is a recycle bin?
Answer: Temporary storage for deleted files.
Q.137 What happens when recycle bin is emptied?
Answer: Files are permanently deleted
Q.138 What is mobile banking?
Answer: Banking through mobile apps
Q.139 What is backup?
Answer: Copy of data for safety
Q.140 What is restore?
Answer: Recovering backed-up data
Q.141 What is a virus scan?
Answer: Checking system for viruses
Q.142 What is encryption?
Answer: Converting data into coded form
Q.143 What is decryption?
Answer: Converting coded data back to original form.
Q.144 What is the full form of CAPTCHA?
Answer: Completely Automated Public Turing test to tell Computers and Humans Apart.
Q.145 What is a password?
Answer: Secret code to access a system.
Q.146 What is two-factor authentication?
Answer: Extra security using two verification steps.
Q.147 What is a screenshot?
Answer: Image of the computer screen.
Q.148 What is webcam used for?
Answer: Video communication.
Q.149 What is scanner?
Answer: Device to convert paper documents into digital form.
Q.150 What is barcode?
Answer: Machine-readable code of data
Q.151 What is QR code?
Answer: Quick Response code
Q.152 What is net banking?
Answer: Banking services through internet
Q.153 What is data mining?
Answer: Extracting useful information from data
Q.154 What is UPI?
Answer: Unified Payments Interface
Q.155 What is the internet?
Answer: Global network of computers
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