What is the basic unit of data in a computer? MCQ with Answer and Explanation

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What is the basic unit of data in a computer?

A. Word

B. Bit

C. Nibble

D. Byte

Answer: Option B

Solution (By JKSSB Mock Tests)

The bit (binary digit) is the smallest unit of data in a computer, representing a 0 or 1.

This question belongs to: Computer Computer Fundamentals

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Question #1

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A digital thermometer or an electronic weighing scale that measures physical parameters and displays them as numbers is an example of a:

A. Hybrid Computer

B. Pure Digital Computer

C. Mainframe Computer

D. Pure Analog Computer

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Correct Answer: Option A

Explanation:
Hybrid computers combine analog features (sampling continuous physical data) with digital features (processing and displaying discrete numbers).

This question belongs to: Computer Computer Fundamentals

Question #2

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The electronic clock speed of an early first-generation computer was generally calculated and tracked using which measurement scale?

A. Nanoseconds

B. Milliseconds

C. Picoseconds

D. Microseconds

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Correct Answer: Option B

Explanation:
First-generation vacuum tube systems were relatively slow by modern metrics, operating with instruction times measured in milliseconds.

This question belongs to: Computer Computer Fundamentals