Who designed the mechanical 'Difference Engine' in 1822 to automatically compute and tabulate mathematical error-free polynomial tables? MCQ with Answer and Explanation

Who designed the mechanical 'Difference Engine' in 1822 to automatically compute and tabulate mathematical error-free polynomial tables?
A. Charles Babbage
B. Blaise Pascal
C. John von Neumann
D. Herman Hollerith
Answer: Option A
Solution (By JKSSB Mock Tests)
Charles Babbage invented the Difference Engine to compute mathematical tables mechanically, earning him renown as the father of computing.

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Practice More Computer Fundamentals Questions

Question #1
Which of the following characteristics of a computer system protects it from becoming tired, bored, or losing concentration even after working for long hours?
A. Accuracy
B. Speed
C. Diligence
D. Versatility

Correct Answer: Option C


Explanation:
Diligence is the characteristic that allows a computer to perform repetitive tasks for long periods without experiencing physical exhaustion or lack of focus.

This question belongs to: Computer Computer Fundamentals
Question #2
What is the binary equivalent of octal 72?
A. 111010
B. 110010
C. 101010
D. 111100

Correct Answer: Option A


Explanation:
Octal 72 = 7 2 -> 111 010 = 111010 binary.

This question belongs to: Computer Computer Fundamentals
Question #3
What is the role of the BIOS in the boot process?
A. Installs drivers
B. Loads the operating system
C. Performs POST and initializes hardware
D. Scans for viruses

Correct Answer: Option C


Explanation:
BIOS runs Power-On Self-Test (POST) and initializes hardware before loading the OS.

This question belongs to: Computer Computer Fundamentals