Which device belongs entirely to the first generation of computers, depending on thousands of vacuum tubes for its internal electronic logic? MCQ with Answer and Explanation

Which device belongs entirely to the first generation of computers, depending on thousands of vacuum tubes for its internal electronic logic?
A. Intel 8080
B. ENIAC
C. IBM 1401
D. ICL 2900
Answer: Option B
Solution (By JKSSB Mock Tests)
ENIAC (Electronic Numerical Integrator and Computer) is a classic example of a first-generation computer that relied heavily on vacuum tubes.

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Which class of computing systems was historically nicknamed 'Big Iron' due to their massive structural scale, high security, and dominance in enterprise transaction networks?
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Correct Answer: Option D


Explanation:
Mainframe computers are often called 'Big Iron' due to their vast infrastructure footprints and massive enterprise data-processing roles.

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Which of the following is an example of a non-impact printer?
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Correct Answer: Option D


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The complete set of virtual programs, routines, and electronic operational code that directs hardware components to execute tasks is called:
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Correct Answer: Option D


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