Components of Computer MCQs with Answers

Which type of memory is known for being volatile and loses its data when power is turned off?

• A.ROM
• B.RAM
• C.Hard Disk
• D.Flash Memory

What does the abbreviation 'GPU' stand for in computer terminology?

• A.General Processing Unit
• B.Graphics Processing Unit
• C.Graphical Programming Utility
• D.General Purpose Utility

What are the primary functions performed by the CPU in a computer system?

• A.Fetch, decode, and execute instructions
• B.Perform arithmetic and logical operations
• C.Control the flow of data within the system
• D.All of these

What does the Central Processing Unit control in a computer system?

• A.Only the memory unit
• B.Only input and output devices
• C.All other parts of the computer system
• D.Only the arithmetic and logic unit

Past Paper MCQ

Which type of memory is used to initialize and start a computer?

• A.RAM
• B.ROM
• C.Cache
• D.Virtual Memory

What is the name of the firmware that contains a computer's startup instructions?

• A.UEFI
• B.CMOS
• C.BIOS
• D.POST

Which unit within the CPU is responsible for performing arithmetic and logical operations?

• A.Control Unit (CU)
• B.Memory Unit
• C.Arithmetic and Logic Unit (ALU)
• D.Register Unit

Where is the main location of RAM in a computer system?

• A.Hard Disk
• B.Power Supply
• C.Motherboard
• D.CPU Chip

Which factors influence the performance of a computer system?

• A.Processor speed only
• B.RAM size only
• C.Storage type only
• D.All of these

Which component of a computer is considered the fastest in executing instructions?

• A.RAM
• B.CPU
• C.Hard Disk
• D.Cache Memory