💻 Computer Awareness कंप्यूटर ज्ञान
156 exam-ready facts · 156 MCQs
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41
The integrated circuit (IC) was invented by Jack Kilby at Texas Instruments in 1958; Robert Noyce independently made a silicon IC in 1959. Kilby received the Nobel Prize in 2000.
Practice (1)
Q41Who received the Nobel Prize (2000) for inventing the integrated circuit?
Show answer
Correct answer: C — Jack Kilby
Kilby got the Nobel; Noyce had died in 1990. Shockley is linked with the transistor. -
42
Apple was founded in 1976 by Steve Jobs, Steve Wozniak and Ronald Wayne.
Practice (1)
Q42In which year was Apple founded?
Show answer
Correct answer: B — 1976
Apple was founded in 1976; Microsoft in 1975, and the Macintosh came in 1984. -
43
Sabeer Bhatia co-founded the Hotmail email service with Jack Smith in 1996.
Microsoft acquired Hotmail in 1997.
Practice (1)
Q43Who co-founded Hotmail?
Show answer
Correct answer: B — Sabeer Bhatia
Sabeer Bhatia launched Hotmail with Jack Smith in 1996. -
44
Mosaic (1993), developed at NCSA by Marc Andreessen and Eric Bina, was the web browser that popularised the World Wide Web.
Practice (1)
Q44Which browser popularised the World Wide Web in 1993?
Show answer
Correct answer: C — Mosaic
After Mosaic (1993), Andreessen went on to build Netscape (1994). -
45
Vinod Dham is called the 'Father of the Pentium chip'; he played a leading role in developing the Pentium processor at Intel.
Practice (1)
Q45Who is called the 'Father of the Pentium chip'?
Show answer
Correct answer: C — Vinod Dham
Vinod Dham led Pentium development at Intel. Ajay Bhatt is a co-inventor of USB. -
46
Constantly running system-program processes in the background are known as Daemons.
Daemons run in the background without direct user intervention.
Asked in SSC CGL 2016 (10 Sep, Shift 3)
Practice (1)
Q46Constantly running system - program processes are known as
Show answer
Correct answer: A — Daemons
Answer: (A)
The correct option is (A). -
47
Grace Hopper developed one of the first compilers (A-0) and influenced the development of the COBOL language.
Practice (1)
Q47Which computer scientist influenced the development of COBOL?
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Correct answer: A — Grace Hopper
Hopper is linked with COBOL; Ada Lovelace is regarded as the first programmer. -
48
Computer generations: first — vacuum tubes, second — transistors, third — integrated circuits (ICs), fourth — microprocessors.
Practice (1)
Q48What was mainly used in third-generation computers?
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Correct answer: B — Integrated circuits
First: vacuum tubes; second: transistors; third: ICs; fourth: microprocessors. -
49
Opera is a web browser, whereas Android, Vista, and iOS are operating systems.
Opera is developed by Opera Software and used for web navigation.
Asked in SSC CGL 2016 (10 Sep, Shift 1)
Practice (1)
Q49Which of the following is not an operating system
Show answer
Correct answer: D — Opera
Answer: (D)
The correct option is (D). -
50
The Python programming language was created by Guido van Rossum and first released in 1991.
Practice (1)
Q50Who created the Python programming language?
Show answer
Correct answer: D — Guido van Rossum
Van Rossum created Python; Stroustrup created C++ and Gosling Java. -
51
The abacus is regarded as the oldest calculating device.
Practice (1)
Q51Which is regarded as the oldest calculating device?
Show answer
Correct answer: A — Abacus
The abacus is the oldest; the Pascaline (1642) was a mechanical calculator. -
52
Public Internet service in India was launched by VSNL (Videsh Sanchar Nigam Limited) on 15 August 1995.
Practice (1)
Q52Who launched public Internet service in India?
Show answer
Correct answer: B — VSNL
VSNL launched it on 15 August 1995; BSNL was formed in 2000. -
53
An IPv4 address is 32 bits long, while an IPv6 address is 128 bits long.
Practice (1)
Q53How many bits long is an IPv6 address?
Show answer
Correct answer: A — 128
IPv6 is 128-bit; IPv4 is 32-bit. -
54
Blaise Pascal built the mechanical calculator 'Pascaline' in 1642; it could add and subtract.
Practice (1)
Q54Who built the mechanical calculator 'Pascaline'?
Show answer
Correct answer: D — Blaise Pascal
Pascal built the Pascaline; Leibniz later built the Stepped Reckoner. -
55
The Information Technology Act, 2000 is India's main law on cybercrime and electronic commerce; it came into force on 17 October 2000.
Practice (1)
Q55Which is India's main law on cybercrime?
Show answer
Correct answer: B — Information Technology Act, 2000
The IT Act, 2000 is the main law; the Telegraph Act is an older law from 1885. -
56
Facebook was launched in 2004 by Mark Zuckerberg with his Harvard classmates.
Practice (1)
Q56In which year was Facebook launched?
Show answer
Correct answer: B — 2004
Facebook launched in 2004; Twitter came in 2006. -
57
A Primary key is also a candidate key that has been chosen to uniquely identify table rows.
Every primary key is chosen from the pool of candidate keys.
Asked in SSC CGL 2016 (10 Sep, Shift 2)
Practice (1)
Q57Which of the following statement is true?
Show answer
Correct answer: A — A Primary key is also a candidate key
Answer: (A)
The correct option is (A). -
58
Wikipedia was launched on 15 January 2001 by Jimmy Wales and Larry Sanger.
Practice (1)
Q58When was Wikipedia launched?
Show answer
Correct answer: D — 2001
Wikipedia was launched on 15 January 2001. -
59
In Adhoc mode, computers associated in a wireless network can send frames directly to each other without requiring a central access point or router.
Adhoc networks are decentralized and establish peer-to-peer connections.
Asked in SSC CGL 2016 (28 Aug, Shift 1)
Practice (1)
Q59In which mode can the computers that are associated send frames directly to each other?
Show answer
Correct answer: A — Adhoc mode
Answer: (A)
The correct option is (A). -
60
CERT-In (Indian Computer Emergency Response Team) is the national nodal agency for responding to cyber security incidents; it works under the Ministry of Electronics and IT (MeitY).
Practice (1)
Q60Under which ministry does CERT-In work?
Show answer
Correct answer: D — Ministry of Electronics and IT
CERT-In works under MeitY.