Components of Computer MCQs with Answers

What is a computer's primary capability that distinguishes it as an electronic device?

• A.Accept and process data by executing stored instructions sequentially
• B.Store unlimited amounts of data permanently without any external device
• C.Perform calculations faster than any mechanical device ever built
• D.Communicate wirelessly with other devices over long distances

What do instructions in a computer language typically consist of?

• A.Opcode and operand
• B.Syntax and semantics
• C.Source code and object code
• D.Compiler and interpreter

What does ALU stand for in the context of CPU components?

• A.Arithmetic Logic Unit
• B.Arithmetic Load Unit
• C.Application Logic Unit
• D.Advanced Logic Unit

Which part of the human body functions most similarly to a computer in terms of processing information?

• A.Heart
• B.Brain
• C.Lungs
• D.Stomach

What term describes the way in which computer components are interrelated?

• A.Architecture
• B.Structure
• C.Organization
• D.Configuration

The CPU is composed of which of the following basic components?

• A.ALU (Arithmetic Logic Unit)
• B.Control Unit (CU)
• C.Registers
• D.All of these

Past Paper MCQ

In a computer, which component connects all the devices to the CPU?

• A.Power Supply
• B.Motherboard
• C.Hard Drive
• D.RAM

Does the Control Unit carry out any actual data processing operations?

• A.Yes, it performs arithmetic operations
• B.Yes, it performs logical operations
• C.No
• D.Yes, it performs both arithmetic and logical operations

What is the primary function of RAM in a computer system?

• A.To permanently store data even when power is off
• B.To read and write data temporarily
• C.To execute arithmetic and logical operations
• D.To manage input and output devices

Why can't the CPU store data permanently?

• A.It can only store data when the computer is turned off
• B.It lacks enough memory cells to hold data long-term
• C.It uses only optical storage mechanisms
• D.It is designed for processing, not permanent storage