IT &computer MCQ section 1 Practice Questions Answers Test with Solutions & More Shortcuts
IT & computer PRACTICE TEST [7 - EXERCISES]
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
Question : 46 [SSC Investigator Exam 2010]
Who is called the Father of Computer ?
a) W.G. Grace
b) Charles Babbage
c) Stephen Hawking
d) John Lennon
Answer »Answer: (b)
Charles Babbage, was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Considered as “father of the computer”, Babbage is credited with inventing the first mechanical computer that eventually led to more complex designs.
Question : 47 [SSC CGL 2016]
The first computer made available for commercial use was
a) UNIVAC
b) MANIAC
c) ENIAC
d) EDSAC
Answer »Answer: (a)
The UNIVAC I (Universal Automatic Computer I) was the first commercial computer produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC.
It was the first computer designed for business and administrative use with fast execution of relatively simple arithmetic and data transport operations, as opposed to the complex numerical calculations required of scientific computers.
Question : 48 [SSC LEDO 2011]
One Byte is equal to
a) 16 bits
b) 8 bits
c) 12 bits
d) 20 bits
Answer »Answer: (b)
The byte is a unit of digital information in computing and telecommunications that most commonly consists of eight bits. Historically, a byte was the number of bits used to encode a single character of text in a computer.
Question : 49 [SSC CAPFs 2016]
A _____ is a computer, appliance, or router that sits between the trusted and untrusted systems.
a) firewall
b) bridge
c) switch
d) hub
Answer »Answer: (a)
A firewall is a computer appliance or router that sits between the trusted and untrusted systems. It enables a computer to be connected safely to an untrustworthy network.
It is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.
Question : 50 [SSC GL 2013]
Identify the odd term amongst the following group :
a) Microwaves
b) Optical fibre
c) Twisted pair wire
d) Coaxial cable
Answer »Answer: (a)
Microwaves are radio waves, while the rest three are some form of cables.
Coaxial cable: a kind of copper cable used between the community antenna and user homes and businesses;
Optical fiber: a flexible, transparent fibre made of glass or plastic; and
Twisted pair cable: a type of wiring in which two conductors of a single circuit are twisted together for the purposes of cancelling out electromagnetic interference (EMI) from external sources.
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IT & computer Shortcuts »
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