Which unit converts human-understandable data and instructions into a form that a digital electronic computer can interpret? MCQ with Answer and Explanation

Question
Which unit converts human-understandable data and instructions into a form that a digital electronic computer can interpret?
A. Input Unit
B. Control Unit
C. Memory Unit
D. Output Unit
Answer: Option A
Solution (By JKSSB Mock Tests)
The Input Unit accepts external data and instructions from the user and translates them into binary form (0s and 1s) for processing.
This question belongs to: Computer Computer Fundamentals
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Question #1
What is the main advantage of fifth-generation computers?
A. Integrated circuits
B. Use of transistors
C. Vacuum tubes
D. AI and parallel processing
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Correct Answer: Option D

Explanation:
Fifth-generation computers focus on artificial intelligence and parallel processing.
This question belongs to: Computer Computer Fundamentals
Question #2
Which of the following is a mainframe computer characteristic?
A. Small size
B. Low cost
C. Used by a single user
D. High processing power and large storage
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Correct Answer: Option D

Explanation:
Mainframes are large, powerful computers used by organizations for bulk data processing and support many users simultaneously.
This question belongs to: Computer Computer Fundamentals
Question #3
What is the main disadvantage of first-generation computers?
A. High cost
B. Large size and high power consumption
C. Lack of software
D. Low speed
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Correct Answer: Option B

Explanation:
First-generation computers were huge, consumed a lot of power, and generated excessive heat.
This question belongs to: Computer Computer Fundamentals
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