Components of Computer MCQs with Answers

Past Paper MCQ

Which component is referred to as the physical part of a computer?

• A.Software
• B.Hardware
• C.Firmware
• D.Middleware

Past Paper MCQ

Another term for the main memory in a computer system is what?

• A.Hard Disk
• B.ROM
• C.Cache
• D.RAM

What is the name of the physical connection between the microprocessor, memory, and other parts of a microcomputer?

• A.Address bus
• B.Data bus
• C.Control bus
• D.System bus

What is the primary function of cache memory in a computer system?

• A.To permanently store the operating system
• B.To speed up processing by storing frequently used data
• C.To manage input and output devices
• D.To provide long-term archival storage

Which component of a computer stores content temporarily when you copy data?

• A.Clipboard
• B.Cache
• C.RAM
• D.Hard Disk

What is the term for the number of bits processed by a CPU in a single operation?

• A.Byte
• B.Nibble
• C.Word
• D.Clock Cycle

Which operation is essential for a computer to process data alongside input, output, storage, and control?

• A.Decoding
• B.Arithmetic Logic Unit
• C.Fetching
• D.Processing

Which part of the computer is responsible for executing commands from the control unit?

• A.Power Supply Unit
• B.Memory Unit
• C.Input/Output Unit
• D.Arithmetic Logic Unit (ALU)

What is the primary function of the Arithmetic Logic Unit (ALU) within a CPU?

• A.Performing calculations and logic operations
• B.Managing memory allocation
• C.Controlling input and output devices
• D.Decoding program instructions

Which computer component contains RAM, ROM, and the microprocessor?

• A.Power Supply Unit
• B.Hard Disk Drive
• C.Motherboard
• D.Graphics Card