Computer Science MCQs

Computer Questions with solutions MCQs

1. Which of the following best describes how information is represented inside a computer system?

A

Information is stored as analog signals because they provide more accurate data representation.

B

Information is stored in text format only,which computers interpret directly as commands.

C

Information is represented using decimal numbers for all processing and storage tasks.

D

Information is represented using binary code, where data is stored as combinations of Os and 1s.

Computer Statistical Assistant 2025
Correct Answer : D
Explanation :

Information is represented using binary code, where data is stored as combinations of 0s and 1s.<span></span>

Correct Answered :

Wrong Answered :

2. Which of the following demonstrates the application of Information Technology in India to enhance public services?

A

Integration of blockchain technology in banking operations.

B

Implementation of the Aadhaar biometric identification system

C

Use of low-level programming languages in government applications

D

Deployment of Sewa Kendra at every district Headquarter.

Computer Statistical Assistant 2025
Correct Answer : B
Explanation :

Implementation of the Aadhaar biometric identification system<span></span>

Correct Answered :

Wrong Answered :

3. What is the main disadvantage of using assembly language in programming?

A

Assembly language programs run slower than high-level language programs because they require more CPU сcycles.

B

Assembly language is hardware-dependent, making programs less portable across different computer systems.

C

Assembly language automatically manages memory, which can lead to unpredictable behavior.

D

Assembly language code is easier to write and understand compared to high-level languages, but harder to debug.

Computer Statistical Assistant 2025
Correct Answer : B
Explanation :

Assembly language is hardware-dependent, making programs less portable across different computer systems.<span></span>

Correct Answered :

Wrong Answered :

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