Which computer system from the first-generation era is widely recognized as the first general-purpose electronic digital computer? MCQ with Answer and Explanation

Which computer system from the first-generation era is widely recognized as the first general-purpose electronic digital computer?
A. EDSAC
B. UNIVAC I
C. ENIAC
D. EDVAC
Answer: Option C
Solution (By JKSSB Mock Tests)
ENIAC (Electronic Numerical Integrator and Computer), designed by Mauchly and Eckert, was the first general-purpose electronic programmable digital computer.

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Practice More Computer Fundamentals Questions

Question #1
Which generation of computers used magnetic core memory?
A. Third
B. First
C. Fourth
D. Second

Correct Answer: Option D


Explanation:
Second-generation computers commonly used magnetic core memory, which was faster and more reliable than drums.

This question belongs to: Computer Computer Fundamentals
Question #2
Which class of computing systems was historically nicknamed 'Big Iron' due to their massive structural scale, high security, and dominance in enterprise transaction networks?
A. Mainframe Computers
B. Supercomputers
C. Minicomputers
D. Workstations

Correct Answer: Option A


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

This question belongs to: Computer Computer Fundamentals
Question #3
What is the decimal equivalent of octal 72?
A. 60
B. 59
C. 58
D. 61

Correct Answer: Option C


Explanation:
Octal 72 = 7*8 + 2 = 56+2 = 58.

This question belongs to: Computer Computer Fundamentals