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Computer Hardware Components Quiz

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Questions and Answers

What is the main function of the Central Processing Unit (CPU) in a computer?

Storing data for future use

Interpreting and executing basic instructions (correct)

Acting as an input device

Performing arithmetic operations only

Which type of memory needs a constant power supply to store data?

Random Access Memory (RAM) (correct)

Read-Only Memory (ROM)

Processor memory

Peripheral memory

What is the function of an Integrated Circuit (IC) in a computer?

Acting as an input device

Performing arithmetic operations

Functioning as a semiconductor wafer (correct)

Storing data permanently

What does the term 'firmware' refer to in relation to computer hardware?

Data that is unchangeable or requires a special operation to change Signup and view all the answers

What is the function of the Control Unit in a computer?

Retrieves and decodes instructions, directs the flow of instructions and data, and executes instructions Signup and view all the answers

What is the main function of the Arithmetic Logic Unit (ALU) in a computer's CPU?

Performs calculations, comparison, and other processes involving arithmetic and logic operations Signup and view all the answers

What are the four operating stages of a processor?

Fetch, Decode, Execute, Retire Signup and view all the answers

Where is data stored permanently in a computer system?

In auxiliary storage devices such as hard disks and magnetic tape Signup and view all the answers

What is the function of CD-ROM in a computer system?

Contains text, graphics, video, and sound that cannot be erased or modified Signup and view all the answers

What is the primary difference between DVD and CD-ROM?

DVD can store more data than CD-ROM Signup and view all the answers