Components of Computer MCQs with Answers

Which two main sections is the Arithmetic Logic Unit (ALU) subdivided into?

• A.Control unit and memory unit
• B.Arithmetic unit and logic unit
• C.Input unit and output unit
• D.Register unit and bus unit

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

• A.Managing file systems
• B.Loading operating system
• C.Running user applications
• D.Establishing network connections

Where does the processor temporarily store data and programs it is currently using?

• A.Hard disk
• B.Main memory
• C.Cache memory
• D.Flash drive

Where are the Arithmetic Logic Unit (ALU) and Control Unit (CU) located?

• A.Motherboard
• B.RAM
• C.Hard Disk
• D.CPU

Which component of a computer directs the operations of the processor based on the instructions it receives?

• A.Arithmetic Logic Unit (ALU)
• B.Control Unit (CU)
• C.Memory Unit
• D.Input/Output Interface

Which of the following is an example of an expansion card in a computer system?

• A.Graphics Card
• B.Sound Card
• C.Network Interface Card
• D.All of these

The memory unit is a component of which computer part?

• A.Power Supply Unit
• B.Motherboard
• C.Central Processing Unit
• D.Hard Disk Drive

Past Paper MCQ

What is the control unit of a digital computer often referred to as?

• A.Heart of the computer
• B.Brain of the computer
• C.Nerve center of the computer
• D.Memory of the computer

Which of the following is not considered a component of the CPU?

• A.Arithmetic Logic Unit (ALU)
• B.Control Unit (CU)
• C.Primary Storage
• D.Registers

What role does the system clock play in a computer's operation?

• A.Synchronize the activities of various components
• B.Store the current date and time
• C.Control the power supply to the motherboard
• D.Manage data transfer between RAM and hard disk