Railway Science (Computer – Inventions and Discoveries)

Total Questions: 24

21. ______ along with Paul Allen founded Microsoft in the year 1975. [RRB NTPC CBT - I (03/04/2021) Evening]

Correct Answer: (a) Bill Gates

22. Which of the following devices/ interfaces did Douglas Engelbart invent? [RRB NTPC CBT - I (23/07/2021) Morning]

Correct Answer: (d) Computer mouse
Solution:

Intel's Chief Systems Technologist Ajay Bhatt created the USB technology. The floppy disk was invented by IBM engineers led by Alan Shugart. The compact Disc was invented by James Russell.

23. The ‘Pen Drive’ was invented by IBM in the year____. [RRB NTPC CBT - I (23/07/2021) Evening]

Correct Answer: (d) 1998
Solution:

A USB flash drive also known as a USB stick, USB thumb drive or pen drive is a plug-and-play portable storage device.

24. The Microsoft Corporation was founded at ______ in 1975. [RRB NTPC CBT - I (23/7/2021) Evening]

Correct Answer: (a) Albuquerque, New Mexico, United States.