Computer Basics MCQ: Top 200+ Questions for Competitive Exams

Q: What does CPU stand for?

The correct answer is: Central Processing Unit. Explanation: CPU stands for Central Processing Unit. It is the main processing component of a computer responsible for executing instructions.

Q: Which of the following is an input device?

The correct answer is: Keyboard. Explanation: A keyboard is an input device used to enter data and commands into the computer.

Q: What is the brain of the computer?

The correct answer is: CPU. Explanation: The CPU is called the brain of the computer because it processes instructions and controls all operations.

Q: Which memory is volatile?

The correct answer is: RAM. Explanation: RAM is volatile memory because its data is lost when the computer is turned off.

Q: What does URL stand for?

The correct answer is: Uniform Resource Locator. Explanation: URL stands for Uniform Resource Locator. It specifies the address of a resource on the internet.

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Showing questions 1 - 20 of 199 Page 1 of 10

Q. 1 Computer

What does CPU stand for?

Central Process Unit

Central Processing Unit

Computer Personal Unit

Control Processing Unit

Q. 2 Computer

Which of the following is an input device?

Monitor

Keyboard

Printer

Speaker

Q. 3 Computer

What is the brain of the computer?

RAM

Hard Disk

CPU

GPU

Q. 4 Computer

Which memory is volatile?

ROM

RAM

Hard Disk

SSD

Q. 5 Computer

What does URL stand for?

Uniform Resource Locator

Uniform Reference Link

Universal Resource Locator

Unique Resource Locator

Q. 6 Computer

Which is permanent memory in a computer?

RAM

ROM

Cache

Q. 7 Computer

Which of the following is a storage device?

Scanner

Keyboard

Hard Disk

Monitor

Q. 8 Computer

What is the function of an operating system?

To manage computer hardware and software

To write programs

To browse the internet

To store files permanently

Q. 9 Computer

Which of the following is NOT an operating system?

Windows

Linux

Microsoft Office

MacOS

Q. 10 Computer

Which is used to connect a computer to the internet?

Monitor

Modem

Printer

Keyboard

Q. 11 Computer

What is the full form of BIOS?

Basic Input Output System

Binary Input Output System

Basic Internal Output System

Binary Internal Output System

Q. 12 Computer

Which of the following is an example of system software?

Word Processor

Compiler

Photoshop

Spreadsheet

Q. 13 Computer

Which type of software is used to create documents and presentations?

System software

Application software

Utility software

Programming software

Q. 14 Computer

What is the smallest unit of data in a computer?

Bit

Byte

Kilobyte

Word

Q. 15 Computer

How many bytes are there in a kilobyte?

1024

1000

512

2048

Q. 16 Computer

Which device is used to display output?

Printer

Keyboard

Monitor

Scanner

Q. 17 Computer

Which of the following is NOT a programming language?

Python

Java

HTML

Windows

Q. 18 Computer

Which type of memory is read-only and non-volatile?

RAM

ROM

Cache

Q. 19 Computer

Which network connects computers within a limited area like a building?

WAN

MAN

LAN

GAN

Q. 20 Computer

What is a URL used for?

Identify a website's address on the Internet

Store data on a computer

Display graphics

Encrypt data

Computer Basics MCQ

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