Components of Computer MCQs with Answers

In computer architecture, what does the abbreviation 'CU' stand for?

• A.Central Unit
• B.Control Unit
• C.Computing Unit
• D.Cache Unit

Which register is specifically used to store the result of the Arithmetic Logic Unit (ALU) operations in a computer?

• A.Memory Address Register
• B.Program Counter
• C.Instruction Register
• D.Accumulator Register

What is the primary purpose of cache files in a computer system?

• A.To permanently store user documents
• B.To store various versions of running programs
• C.To manage network connections
• D.To encrypt system passwords

What is the primary advantage of cache memory compared to RAM?

• A.Lower cost per byte
• B.Larger storage capacity
• C.Faster access speed
• D.Non-volatile storage

Which unit is responsible for controlling all parts and operations of a computer?

• A.CPU
• B.RAM
• C.Hard Disk
• D.Power Supply

Past Paper MCQ

What are the functions of a microprocessor in a computer?

• A.Arithmetic and logical operations
• B.Control and coordination of computer components
• C.Execution of program instructions
• D.All of these

What is used as a temporary storage area to hold data before it is processed by the CPU and then transferred to a peripheral device?

• A.Cache
• B.Register
• C.Buffer
• D.Stack

Which component of a computer system is responsible for processing video and image storage?

• A.VGA
• B.RAM
• C.BIOS
• D.CPU

Which components make up a computer system?

• A.Hardware
• B.Software
• C.Users and Data
• D.All of these

Which of the following is not considered a hardware component of a computer?

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