Computer MCQs

Who is known as the father of computers?

• a) Charles Babbage
• b) Alan Turing
• c) John von Neumann
• d) Steve Jobs
• Answer: a) Charles Babbage

What does RAM stand for?

• a) Read Access Memory
• b) Random Access Memory
• c) Real Analog Memory
• d) Remote Access Memory
• Answer: b) Random Access Memory

Which part of the computer is considered the brain of the computer?

• a) RAM
• b) CPU
• c) Hard Drive
• d) Motherboard
• Answer: b) CPU

What does HTTP stand for?

• a) HyperText Transfer Protocol
• b) HighText Transfer Protocol
• c) HyperText Transfer Plot
• d) None of the above
• Answer: a) HyperText Transfer Protocol

Which operating system is developed by Microsoft?

• a) Linux
• b) Unix
• c) Windows
• d) Android
• Answer: c) Windows

What is the permanent memory built into your computer called?

• a) RAM
• b) ROM
• c) CPU
• d) CD-ROM
• Answer: b) ROM

Which of the following is an input device?

• a) Monitor
• b) Keyboard
• c) Printer
• d) Speaker
• Answer: b) Keyboard

What does the term “Gigabyte” refer to?

• a) 1,024 bytes
• b) 1,024 kilobytes
• c) 1,024 megabytes
• d) 1,024 terabytes
• Answer: c) 1,024 megabytes

Which language is directly understood by the computer without translation program?

• a) Assembly language
• b) Machine language
• c) High level language
• d) None of these
• Answer: b) Machine language

What does GUI stand for?

• a) Graphical User Instrument
• b) Graphical User Interface
• c) Graphical User Interchange
• d) Graphical User Internet
• Answer: b) Graphical User Interface

What does BIOS stand for?

• a) Basic Input Output System
• b) Binary Input Output System
• c) Basic Integrated Operating System
• d) None of these
• Answer: a) Basic Input Output System

Which of the following is a popular programming language for developing multimedia web pages, websites, and web-based applications?

• a) COBOL
• b) Java
• c) BASIC
• d) Assembler
• Answer: b) Java

What does URL stand for?

• a) Uniform Resource Locator
• b) Uniform Resource Link
• c) Uniform Registered Link
• d) Unified Resource Link
• Answer: a) Uniform Resource Locator

Which one is the first web browser invented in 1990?

• a) Internet Explorer
• b) Mosaic
• c) Mozilla
• d) Nexus
• Answer: d) Nexus

Which device is used as the standard pointing device in a Graphical User Environment?

• a) Keyboard
• b) Mouse
• c) Joystick
• d) Trackball
• Answer: b) Mouse

What is the full form of PDF?

• a) Portable Data File
• b) Portable Document Format
• c) Published Document File
• d) Public Document Format
• Answer: b) Portable Document Format

Which protocol is used to receive email?

• a) SMTP
• b) POP3
• c) HTTP
• d) FTP
• Answer: b) POP3

Which protocol is used to send email?

• a) SMTP
• b) POP3
• c) HTTP
• d) FTP
• Answer: a) SMTP

What does VGA stand for?

• a) Video Graphics Adapter
• b) Visual Graphics Array
• c) Volatile Graphics Array
• d) Video Graphics Array
• Answer: d) Video Graphics Array

Which company developed the Windows operating system?

• a) Apple
• b) Microsoft
• c) IBM
• d) Google
• Answer: b) Microsoft

What is a firewall in computer network security?

• a) A hardware device
• b) A software program
• c) A system for managing Internet access
• d) All of the above
• Answer: d) All of the above

What is the main function of the ALU (Arithmetic Logic Unit)?

• a) Store data
• b) Perform arithmetic and logical operations
• c) Control system operations
• d) Manage memory usage
• Answer: b) Perform arithmetic and logical operations

Which part of the computer provides the instructions for other parts of the computer to perform tasks?

• a) Software
• b) Hardware
• c) Firmware
• d) Malware
• Answer: a) Software

What does “bit” stand for in computer terminology?

• a) Binary Digit
• b) Binary Integer
• c) Binary Data
• d) Binary Device
• Answer: a) Binary Digit

What type of device is a hard drive?

• a) Input device
• b) Output device
• c) Storage device
• d) Peripheral device
• Answer: c) Storage device

Which of the following is not an operating system?

• a) Windows
• b) Linux
• c) Oracle
• d) DOS
• Answer: c) Oracle

Which technology is used in compact disks?

• a) Electrical
• b) Mechanical
• c) Laser
• d) Electro-magnetic
• Answer: c) Laser

What is the most common software used to create a document?

• a) Spreadsheet
• b) Word Processor
• c) Database
• d) Presentation
• Answer: b) Word Processor

What is the shortcut key to copy text in a document?

• a) Ctrl + X
• b) Ctrl + C
• c) Ctrl + V
• d) Ctrl + P
• Answer: b) Ctrl + C

What does LAN stand for?

• a) Local Area Network
• b) Large Area Network
• c) Live Area Network
• d) Linked Area Network
• Answer: a) Local Area Network

What does WAN stand for?

• a) Wide Area Network
• b) Web Area Network
• c) Wireless Area Network
• d) Wired Area Network
• Answer: a) Wide Area Network

What is a compiler?

• a) A tool for interpreting high-level language
• b) A tool for compiling high-level language into machine code
• c) A tool for debugging code
• d) A tool for executing code
• Answer: b) A tool for compiling high-level language into machine code

What is the shortcut key to paste text in a document?

• a) Ctrl + X
• b) Ctrl + C
• c) Ctrl + V
• d) Ctrl + P
• Answer: c) Ctrl + V

What does IP stand for in networking?

• a) Internet Protocol
• b) Intranet Protocol
• c) Internal Protocol
• d) Internet Procedure
• Answer: a) Internet Protocol

Which one of the following is a non-volatile memory?

• a) RAM
• b) ROM
• c) Cache memory
• d) Virtual memory
• Answer: b) ROM

What is the main page of a website called?

• a) Homepage
• b) Front page
• c) Main page
• d) Web page
• Answer: a) Homepage

What type of software is an operating system?

• a) Application software
• b) System software
• c) Utility software
• d) Firmware
• Answer: b) System software

Which of the following is used to connect a computer to a network?

• a) Printer
• b) Modem
• c) Mouse
• d) Keyboard
• Answer: b) Modem

What does SQL stand for?

• a) Structured Query Language
• b) Simple Query Language
• c) Sequential Query Language
• d) Structured Query List
• Answer: a) Structured Query Language

Which company is known for its “ThinkPad” line of laptops?

• a) Dell
• b) HP
• c) Lenovo
• d) Acer
• Answer: c) Lenovo

Which of the following is not a programming language?

• a) Python
• b) JavaScript
• c) HTML
• d) SQL
• Answer: d) SQL

Which of the following is used to manage data in databases?

• a) SQL
• b) PHP
• c) HTML
• d) CSS
• Answer: a) SQL

What does URL stand for?

• a) Uniform Resource Locator
• b) Uniform Resource Link
• c) Unified Resource Locator
• d) Unified Resource Link
• Answer: a) Uniform Resource Locator

What is the full form of ASCII?

• a) American Standard Code for Information Interchange
• b) American Standard Code for Internet Interchange
• c) American Standard Code for Information Integrity
• d) American Standard Code for Interactive Information
• Answer: a) American Standard Code for Information Interchange

What is the full form of BIOS?

• a) Basic Input Output System
• b) Binary Input Output System
• c) Basic Integrated Operating System
• d) Binary Integrated Operating System
• Answer: a) Basic Input Output System

Which device is used for gaming and controlling screen objects?

• a) Keyboard
• b) Mouse
• c) Joystick
• d) Light pen
• Answer: c) Joystick

What does CSS stand for?

• a) Cascading Style Sheets
• b) Computer Style Sheets
• c) Creative Style Sheets
• d) Colorful Style Sheets
• Answer: a) Cascading Style Sheets

Which is the main memory of a computer?

• a) ROM
• b) RAM
• c) CPU
• d) Hard Disk
• Answer: b) RAM

What does the “C” in CPU stand for?

• a) Central
• b) Computer
• c) Control
• d) Compute
• Answer: a) Central

What is the name of the first computer virus?

• a) Creeper
• b) Sasser
• c) Blaster
• d) Code Red
• Answer: a) Creeper