The first electronic programmable digital computer, ENIAC, was designed by whom? MCQ with Answer and Explanation

Question

Share Report Error

The first electronic programmable digital computer, ENIAC, was designed by whom?

A. John von Neumann

B. Charles Babbage

C. John Mauchly and J. Presper Eckert

D. Alan Turing

Answer: Option C

Solution (By JKSSB Mock Tests)

ENIAC (Electronic Numerical Integrator and Computer) was constructed by Mauchly and Eckert at the University of Pennsylvania in 1945.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

Who invented the standard mechanical marine propeller that replaced paddle wheels on ships?

A. James Watt

B. Robert Fulton

C. Charles Parsons

D. John Ericsson and Francis Pettit Smith

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Ericsson and Smith independently patented efficient screw propeller designs in 1836, enabling faster transoceanic transport.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

The discovery of the mechanism of the greenhouse effect in the atmosphere is first attributed to which scientist?

A. John Tyndall

B. Svante Arrhenius

C. Joseph Fourier

D. Guy Stewart Callendar

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Joseph Fourier recognized in 1824 that Earth's atmosphere acts like an insulator, warming the planet's surface.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

The invention of the common household vacuum storage device known as the Thermos Flask was developed by whom?

A. James Dewar

B. Thomas Edison

C. James Joule

D. Willis Carrier

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Sir James Dewar invented the double-walled vacuum-insulated silvered glass flask in 1892 to isolate cryogenic liquefied gases.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs