💻 Computer Awareness कंप्यूटर ज्ञान
156 exam-ready facts · 156 MCQs
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21
The C programming language was developed by Dennis Ritchie at Bell Labs (around 1972).
Ritchie also co-created the UNIX operating system with Ken Thompson.
Practice (1)
Q21Who developed the C programming language?
Show answer
Correct answer: D — Dennis Ritchie
Dennis Ritchie created C at Bell Labs. Stroustrup created C++ and Gosling created Java. -
22
C++ is a programming language, whereas Linux, Windows 98, and Windows 7 are operating systems.
C++ is widely used for systems and application software development.
Asked in SSC CGL 2016 (2 Sep, Shift 3)
Practice (1)
Q22Find the "odd one out".
Show answer
Correct answer: C — C++
Answer: (C)
The correct option is (C). -
23
James Gosling is called the father of the Java programming language; Java was developed at Sun Microsystems (released in 1995).
Practice (1)
Q23Who is called the father of the Java programming language?
Show answer
Correct answer: A — James Gosling
James Gosling developed Java at Sun Microsystems. -
24
Associative memory in IT is also known as Content Addressable Memory (CAM).
CAM searches memory based on its content rather than its address.
Asked in SSC CGL 2016 (4 Sep, Shift 1)
Practice (1)
Q24In IT, associative memory is called as
Show answer
Correct answer: C — Content addressable memory
Answer: (C)
The correct option is (C). -
25
The term 'Artificial Intelligence' was coined by John McCarthy in the 1955 Dartmouth proposal; the 1956 Dartmouth workshop is regarded as the founding of AI as a field.
McCarthy also created the LISP programming language.
Practice (1)
Q25Who coined the term 'Artificial Intelligence'?
Show answer
Correct answer: B — John McCarthy
John McCarthy coined the term in the 1955 Dartmouth proposal. -
26
Garbage collection involves traversing the entire file system, marking everything that can be accessed.
Garbage collection reclaims memory occupied by objects no longer in use.
Asked in SSC CGL 2016 (4 Sep, Shift 3)
Practice (1)
Q26__________ involves traversing the entire file system, marking everything that can be accessed.
Show answer
Correct answer: B — Garbage collection
Answer: (B)
The correct option is (B). -
27
ARPANET (1969) is regarded as the forerunner of the Internet; it was funded by ARPA of the US Department of Defense.
ARPANET was among the first packet-switched networks and adopted TCP/IP in 1983.
Practice (1)
Q27Which network is regarded as the forerunner of the Internet?
Show answer
Correct answer: C — ARPANET
ARPANET began in 1969 and is regarded as the forerunner of the Internet. -
28
Cache memory works on the principle of Locality of reference.
Programs tend to access the same set of memory locations repetitively over a short period.
Asked in SSC CGL 2016 (7 Sep, Shift 3)
Practice (1)
Q28Cache memory works on the principle of __________ .
Show answer
Correct answer: B — Locality of reference
Answer: (B)
The correct option is (B). -
29
Alan Turing is regarded as the father of theoretical computer science and artificial intelligence; he proposed the 'Turing machine'.
Practice (1)
Q29Who proposed the concept of the 'Turing machine'?
Show answer
Correct answer: D — Alan Turing
Turing proposed it in 1936; von Neumann is linked with the stored-program architecture. -
30
Data in a database at a particular point of time is called its Extension.
Extension represents the actual population of data in a database at an instance.
Asked in SSC CGL 2016 (8 Sep, Shift 1)
Practice (1)
Q30Data in database at a particular point of time is called as?
Show answer
Correct answer: B — Extension
Answer: (B)
The correct option is (B). -
31
The world's first website was info.cern.ch, created by Tim Berners-Lee at CERN and put online in 1991.
Practice (1)
Q31What was the world's first website?
Show answer
Correct answer: B — info.cern.ch
The first website was CERN's info.cern.ch (1991). -
32
The stored-program architecture, in which programs and data share one memory, is called the 'von Neumann architecture' after John von Neumann.
Practice (1)
Q32The stored-program architecture is named after whom?
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Correct answer: A — John von Neumann
It is the von Neumann architecture; the separate-memory model is the Harvard architecture. -
33
Creeper (1971) is regarded as the first computer worm (self-replicating program), and Reaper as the first antivirus program, written to remove it.
Creeper ran on ARPANET and displayed "I'M THE CREEPER: CATCH ME IF YOU CAN".
Practice (1)
Q33Which program was created to remove 'Creeper', the first computer worm?
Show answer
Correct answer: D — Reaper
Reaper was written to delete Creeper, so it is regarded as the first antivirus. -
34
Vint Cerf and Bob Kahn developed the TCP/IP protocols; both are called the 'Fathers of the Internet'.
Practice (1)
Q34Who developed TCP/IP?
Show answer
Correct answer: D — Vint Cerf and Bob Kahn
Cerf and Kahn created TCP/IP; Berners-Lee created the WWW. -
35
Microsoft was founded in 1975 by Bill Gates and Paul Allen.
Practice (1)
Q35Who founded Microsoft?
Show answer
Correct answer: C — Bill Gates and Paul Allen
Gates and Allen founded Microsoft in 1975; Ellison co-founded Oracle. -
36
TIFRAC was the first computer developed in India, built at TIFR (Tata Institute of Fundamental Research), Mumbai, and commissioned in 1960.
It was named TIFRAC (TIFR Automatic Calculator) by Jawaharlal Nehru.
Practice (1)
Q36Which was the first computer developed in India?
Show answer
Correct answer: A — TIFRAC
TIFRAC was built at TIFR, Mumbai and commissioned in 1960. PARAM 8000 is India's first supercomputer. -
37
UNIVAC I (1951) is regarded as the first general-purpose electronic digital computer designed for business use in the United States.
Practice (1)
Q37Which is regarded as the first general-purpose computer designed for business use in the US?
Show answer
Correct answer: A — UNIVAC I
UNIVAC I was a business computer; ENIAC was built for military calculations. -
38
Flip Flop is a fundamental digital circuit used to store one bit of data.
A flip-flop has two stable states and is the basic building block of memory registers.
Asked in SSC CGL 2016 (8 Sep, Shift 3)
Practice (1)
Q38Which circuit is used to store one bit of data ?
Show answer
Correct answer: B — Flip Flop
Answer: (B)
The correct option is (B). -
39
CPU Scheduler is also known as the Short-term Scheduler in operating systems.
The short-term scheduler selects which process to execute next from ready queue.
Asked in SSC CGL 2016 (9 Sep, Shift 2)
Practice (1)
Q39CPU Scheduler is also known as _____ .
Show answer
Correct answer: C — Short-term Scheduler
Answer: (C)
The correct option is (C). -
40
Google was founded in 1998 by Larry Page and Sergey Brin.
Practice (1)
Q40Who founded Google?
Show answer
Correct answer: C — Larry Page and Sergey Brin
Page and Brin founded Google in 1998; Yang and Filo founded Yahoo.