The invention of the common electronic operating layout known as the Graphical User Interface (GUI) was pioneered by which lab? MCQ with Answer and Explanation

The invention of the common electronic operating layout known as the Graphical User Interface (GUI) was pioneered by which lab?

A. Apple Computers

B. Xerox PARC

C. IBM Research

D. Microsoft

Answer: Option B

Xerox Palo Alto Research Center (PARC) engineered the Alto computer featuring mouse-driven windows, menus, and file icons.

This question belongs to: Static General Knowledge Inventions and Discoveries

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

Question #1 Report Error

The invention of the common mechanical device known as the marine depth tracker Echo Sounder was patented by whom?

A. Robert Watson-Watt

B. Guglielmo Marconi

C. Heinrich Hertz

D. Alexander Behm

Correct Answer: Option D

Explanation:
German physicist Alexander Behm patented the sonic echo sounder depth locator apparatus in 1912 to prevent marine collisions.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

Who discovered the existence of infrared radiation in sunlight in 1800 using thermometers and a prism?

A. Johann Wilhelm Ritter

B. James Clerk Maxwell

C. Heinrich Hertz

D. William Herschel

Correct Answer: Option D

Explanation:
William Herschel discovered infrared light by measuring the temperature rise just beyond the red end of the visible spectrum.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

The invention of the widely used computer programming language C was developed by whom at Bell Labs in 1972?

A. James Gosling

B. Dennis Ritchie

C. Guido van Rossum

D. Bjarne Stroustrup

Correct Answer: Option B

Explanation:
Dennis Ritchie created the C language to rewrite the Unix operating system, laying foundations for modern system software.

This question belongs to: Static General Knowledge Inventions and Discoveries