Computer Science MCQs

What is the full form of CPU?

• Central Process Unit

• Central Processing Unit

• Computer Processing Unit

• Central Power Unit

Which of the following is NOT a programming language?

• Python

• HTML

• Java

• Microsoft Word

Which device is used to display output from the computer?

• Scanner

• Monitor

• Mouse

• Keyboard

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

• Store data

• Perform calculations

• Display information

• Control input devices

Which storage device has the largest capacity?

• CD

• DVD

• Hard Drive

• USB Flash Drive

What is the primary purpose of an operating system?

• Run applications

• Perform calculations

• Manage computer resources

• Display graphics

Which of the following is an example of an output device?

• Mouse

• Monitor

• Keyboard

• Scanner

Which memory is volatile and loses its data when the computer is turned off?

• RAM

• ROM

• Hard Drive

• CD-ROM

What is a byte made up of?

• 4 bits

• 8 bits

• 16 bits

• 32 bits

Which part of the computer is responsible for running software and performing calculations?

• RAM

• CPU

• Hard Drive

• Monitor