Railway Science (Computer – Inventions and Discoveries)

Total Questions: 24

1. Inventor of Bluetooth is______. [RRB NTPC CBT - I (04/01/2021) Evening]

Correct Answer: (d) Jaap Haartsen
Solution:

The father of Excel Software - Charles Simonyi. Bill Gates and Paul Allen co-founded Microsoft in 1975.

2. Who coined the word “Artificial Intelligence” ? [RRB NTPC CBT - I (07/01/2021) Evening]

Correct Answer: (c) John McCarthy
Solution:

Artificial intelligence refers to the simulation of human intelligence in machines that are programmed to think and act like humans.

3. Who invented ‘www’ ? [RRB NTPC CBT - I (08/01/2021) Morning]

Correct Answer: (d) Tim Berners - Lee
Solution:

Lee is known as Father of the world wide web. Vint Cerf is known as the Father of the Internet. Robert Kahn is the inventor of TCP/IP protocols.

4. Video Graphics Array (VGA) is a system for displaying color graphics. It was developed by ? [RRB NTPC CBT - I (09/01/2021) Evening]

Correct Answer: (a) IBM
Solution:

The VGA connector has 15 holes.

5. What was the first domain name ever registered on the World Wide Web ? [RRB NTPC CBT - I (10/1/2021) Evening]

Correct Answer: (c) www.symbolics.com

6. If Bill Gates had his way, by what name was window OS planned to be released ? [RRB NTPC CBT - I (10/01/2021) Evening]

Correct Answer: (b) Interface Manager

7. Who is the co-founder of Apple Computers? [RRB NTPC CBT - I (11/01/2021) Evening]

Correct Answer: (d) Steve Jobs

8. The C++ programming language was developed at AT & T Bell Laboratories in the early ______ by Bjarne Stroustrup. [RRB NTPC CBT - I (13/01/2021) Morning]

Correct Answer: (c) 1980s
Solution:

C++ is a cross-platform language that can be used to create high-performance applications.

9. Who among the following is one of the founders of Google? [RRB NTPC CBT - I (17/01/2021) Evening]

Correct Answer: (b) Larry Page
Solution:

Larry Page and Sergey Brin are the founders of Google. Google was founded on September 4, 1998. Mark Zuckerberg is the founder of Facebook. Jerry Yang is the co-founder and former CEO of Yahoo!. India-born Sundar Pichai is the Chief Executive Officer (CEO) of Google (as of August 2023).

10. Who is credited with developing the "C" language ? [RRB NTPC CBT - I (20/01/2021) Morning]

Correct Answer: (d) Dennis Ritchie
Solution:

C is a high-level and general-purpose programming language ideal for developing firmware or portable applications.