Which of the following is a characteristic of second-generation computers? MCQ with Answer and Explanation

Question
Which of the following is a characteristic of second-generation computers?
A. Used integrated circuits
B. Used vacuum tubes
C. Used microprocessors
D. Used magnetic core memory
Answer: Option D
Solution (By JKSSB Mock Tests)
Second-generation computers used magnetic core memory and transistors.
This question belongs to: Computer Computer Fundamentals
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Practice More Computer Fundamentals Questions

Question #1
Which historical mechanical device featured a grid of sliding beads on wires and was split into a top section ('Heaven') and a bottom section ('Earth')?
A. Slide Rule
B. Pascaline
C. Napier's Bones
D. Abacus
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Correct Answer: Option D

Explanation:
Traditional Chinese abacuses (Suanpan) feature a structural upper deck ('Heaven') and a lower deck ('Earth') for positional base-5 arithmetic.
This question belongs to: Computer Computer Fundamentals
Question #2
A personal laptop, desktop tower, or smartphone is technically categorized under which physical structural division of computers?
A. Minicomputer
B. Mainframe Computer
C. Microcomputer
D. Supercomputer
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Correct Answer: Option C

Explanation:
Microcomputers are systems built around a single-chip microprocessor, designed to serve one individual user at a time.
This question belongs to: Computer Computer Fundamentals
Question #3
What is the smallest storage unit in a computer?
A. Byte
B. Bit
C. Kilobyte
D. Megabyte
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Correct Answer: Option B

Explanation:
A bit is the smallest unit, representing a 0 or 1.
This question belongs to: Computer Computer Fundamentals
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