Which component is considered the brain of the computer? MCQ with Answer and Explanation

Which component is considered the brain of the computer?
A. RAM
B. CPU
C. Monitor
D. Hard disk
Answer: Option B
Solution (By JKExamLibrary)
The Central Processing Unit (CPU) is often called the brain of the computer because it executes instructions.

This question belongs to: Computer Computer Fundamentals

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Practice More Computer Fundamentals Questions

Question #1 Report Error
What is the octal equivalent of binary 101010?
A. 55
B. 54
C. 52
D. 53

Correct Answer: Option C


Explanation:
101010 = 101 010 = 5 2 = 52 octal.

This question belongs to: Computer Computer Fundamentals
Question #2 Report Error
Which major corporate computing entity was founded directly from the evolution of Herman Hollerith’s Tabulating Machine Company?
A. IBM
B. Apple
C. Intel
D. Microsoft

Correct Answer: Option A


Explanation:
Hollerith's business merged with others to form the Computing-Tabulating-Recording Company (CTR), which was renamed IBM (International Business Machines) in 1924.

This question belongs to: Computer Computer Fundamentals
Question #3 Report Error
Which characteristic of a computer allows it to retain data indefinitely, making information instantly retrievable at any future time?
A. Storage Capacity
B. Speed
C. Versatility
D. Diligence

Correct Answer: Option A


Explanation:
Storage capacity (both primary and secondary memory) enables a computer to store massive amounts of records securely for subsequent reuse.

This question belongs to: Computer Computer Fundamentals