What is the purpose of the system bus? MCQ with Answer and Explanation

What is the purpose of the system bus?

A. Controls input devices

B. Stores data permanently

C. Transfers data between components

D. Executes instructions

Answer: Option C

The system bus connects the CPU, memory, and I/O devices, allowing data transfer.

This question belongs to: Computer Computer Fundamentals

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Question #1 Report Error

Which characteristic of a computer refers to its ability to perform tasks without getting tired?

A. Diligence

B. Versatility

C. Accuracy

D. Speed

Correct Answer: Option A

Explanation:
Diligence means a computer can work continuously for hours without fatigue or loss of concentration.

This question belongs to: Computer Computer Fundamentals

Question #2 Report Error

Which generation of computers used magnetic tape for storage?

A. All of the above

B. First

C. Second

D. Third

Correct Answer: Option A

Explanation:
Magnetic tape was used in first, second, and third generations for backup and storage.

This question belongs to: Computer Computer Fundamentals

Question #3 Report Error

What is the role of the BIOS in the boot process?

A. Performs POST and initializes hardware

B. Installs drivers

C. Scans for viruses

D. Loads the operating system

Correct Answer: Option A

Explanation:
BIOS runs Power-On Self-Test (POST) and initializes hardware before loading the OS.

This question belongs to: Computer Computer Fundamentals