Which of the following early electronic systems was the first commercial, mass-produced digital computer sold to corporate and government clients? MCQ with Answer and Explanation

Question
Which of the following early electronic systems was the first commercial, mass-produced digital computer sold to corporate and government clients?
A. EDVAC
B. UNIVAC I
C. EDSAC
D. ENIAC
Answer: Option B
Solution (By JKSSB Mock Tests)
UNIVAC I (Universal Automatic Computer) was the first commercial computer produced in the US, designed for business data applications.
This question belongs to: Computer Computer Fundamentals
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Practice More Computer Fundamentals Questions

Question #1
What does BIOS provide?
A. Internet connectivity
B. File management
C. Graphical user interface
D. Low-level control of peripherals
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Correct Answer: Option D

Explanation:
BIOS provides low-level control over hardware, such as keyboard and display, during boot process.
This question belongs to: Computer Computer Fundamentals
Question #2
What physical media served as the primary external backup and secondary storage format during the second generation of computers?
A. Solid State Flash Drives
B. Optical CD-ROMs
C. Punched Paper Cards
D. Magnetic Tapes and Disks
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Correct Answer: Option D

Explanation:
Second-generation computer systems saw a transition from paper-based punched cards to faster, re-recordable magnetic tapes and early disks.
This question belongs to: Computer Computer Fundamentals
Question #3
What is the octal equivalent of binary 110?
A. 7
B. 5
C. 4
D. 6
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Correct Answer: Option D

Explanation:
110 binary = 6 decimal = 6 octal.
This question belongs to: Computer Computer Fundamentals
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