Computer MCQ

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Who is known as the father of computers?

  • Charles Babbage
  • Alan Turing
  • Bill Gates
  • Steve Jobs

Charles Babbage is often referred to as the father of computers.

What does CPU stand for?

  • Central Process Unit
  • Central Processing Unit
  • Central Programming Unit
  • Central Peripheral Unit

CPU stands for Central Processing Unit.

What is the main function of the ALU?

  • Perform arithmetic and logical operations
  • Store data
  • Control input and output devices
  • Manage memory

The ALU (Arithmetic Logic Unit) performs arithmetic and logical operations.

What does RAM stand for?

  • Random Access Memory
  • Read Access Memory
  • Run Access Memory
  • Runtime Access Memory

RAM stands for Random Access Memory.

What is the full form of USB?

  • Universal Serial Bus
  • Universal System Bus
  • Uniform Serial Bus
  • Uniform System Bus

USB stands for Universal Serial Bus.

Who founded Microsoft?

  • Bill Gates and Paul Allen
  • Steve Jobs and Steve Wozniak
  • Larry Page and Sergey Brin
  • Mark Zuckerberg and Eduardo Saverin

Bill Gates and Paul Allen founded Microsoft.

What does HTTP stand for?

  • HyperText Transfer Protocol
  • HyperText Transmission Protocol
  • HyperText Transfer Program
  • HyperText Transmission Program

HTTP stands for HyperText Transfer Protocol.

What does HTML stand for?

  • HyperText Markup Language
  • HyperText Makeup Language
  • HyperText Markup Link
  • HyperText Makeup Link

HTML stands for HyperText Markup Language.

What is the main function of an operating system?

  • Manage hardware and software resources
  • Perform arithmetic operations
  • Store data
  • Control input and output devices

The main function of an operating system is to manage hardware and software resources.

What does the acronym BIOS stand for?

  • Basic Input Output System
  • Basic Integrated Operating System
  • Basic Input Operating System
  • Basic Integrated Output System

BIOS stands for Basic Input Output System.

What is the main function of a compiler?

  • Translate source code into machine code
  • Execute programs
  • Edit text files
  • Manage memory

A compiler translates source code into machine code.

What is the primary use of a router?

  • Direct data traffic between networks
  • Store data
  • Manage memory
  • Perform arithmetic operations

A router directs data traffic between networks.

What does PDF stand for?

  • Portable Document Format
  • Printable Document Format
  • Portable Data Format
  • Printable Data Format

PDF stands for Portable Document Format.

What is the main purpose of a firewall?

  • Protect a network from unauthorized access
  • Store data
  • Manage memory
  • Perform arithmetic operations

A firewall protects a network from unauthorized access.

What does SQL stand for?

  • Structured Query Language
  • Structured Question Language
  • Simple Query Language
  • Simple Question Language

SQL stands for Structured Query Language.

Who is known as the father of the internet?

  • Vint Cerf
  • Tim Berners-Lee
  • Bill Gates
  • Steve Jobs

Vint Cerf is often referred to as the father of the internet.

What does URL stand for?

  • Uniform Resource Locator
  • Uniform Resource Link
  • Universal Resource Locator
  • Universal Resource Link

URL stands for Uniform Resource Locator.

What is the main function of a database?

  • Store and manage data
  • Perform arithmetic operations
  • Manage memory
  • Control input and output devices

The main function of a database is to store and manage data.

What does GUI stand for?

  • Graphical User Interface
  • General User Interface
  • Graphical Utility Interface
  • General Utility Interface

GUI stands for Graphical User Interface.

What is the primary function of an antivirus program?

  • Detect and remove malware
  • Store data
  • Manage memory
  • Control input and output devices

The primary function of an antivirus program is to detect and remove malware.

What does IP stand for in IP address?

  • Internet Protocol
  • Internet Provider
  • Internal Protocol
  • Internal Provider

IP stands for Internet Protocol.

What is the main function of a web browser?

  • Access and display web pages
  • Store data
  • Manage memory
  • Control input and output devices

The main function of a web browser is to access and display web pages.

What does LAN stand for?

  • Local Area Network
  • Long Area Network
  • Large Area Network
  • Local Access Network

LAN stands for Local Area Network.

What is the main function of an SSD?

  • Store data
  • Perform arithmetic operations
  • Manage memory
  • Control input and output devices

The main function of an SSD (Solid State Drive) is to store data.

What does DNS stand for?

  • Domain Name System
  • Domain Name Server
  • Domain Network System
  • Domain Network Server

DNS stands for Domain Name System.

What is the primary purpose of an IP address?

  • Identify devices on a network
  • Store data
  • Manage memory
  • Control input and output devices

The primary purpose of an IP address is to identify devices on a network.

What does VPN stand for?

  • Virtual Private Network
  • Virtual Public Network
  • Virtual Protected Network
  • Virtual Personal Network

VPN stands for Virtual Private Network.

What is the main function of a modem?

  • Convert digital data to analog signals and vice versa
  • Store data
  • Manage memory
  • Control input and output devices

A modem converts digital data to analog signals and vice versa.

What does URL stand for?

  • Uniform Resource Locator
  • Uniform Resource Link
  • Universal Resource Locator
  • Universal Resource Link

URL stands for Uniform Resource Locator.