IT &computer MCQ section 1 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Microwaves
(b) Optical fibre
(c) Twisted pair wire
(d) Coaxial cable
The correct answers to the above question in:
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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Read more it and computer Based General Awareness Questions and Answers
Question : 1
The unit of measurement of a word length is
a) Bit
b) Metre
c) Byte
d) Millimetre
Answer »Answer: (a)
The number of bits that a computer can process at a time in parallel is called its word length.
The commonly used word lengths are: 8, 16, 32 or 64 bits. It is a measure of the computer power of a computer.
For example, when we talk of a 32-bit computer, it means that its word length is 32 bits.
Question : 2
In C language, the formatting character should be preceded by the symbol:
a) %
b) +
c) /
d) –
Answer »Answer: (a)
In C language, the formatting character should be preceded by the symbol %.
Question : 3
What is an organisation’s introductory web page called?
a) Homepage
b) Portal
c) Vortal
d) Web site
Answer »Answer: (d)
The introductory web page of an organisation is called website. A website (also called an Internet site) is a group of HTML files connected by hypertext links and stored on a web server, i.e. a computer that hosts webpages and is permanently connected to the Internet.
Question : 4
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 : 5
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 : 6
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.
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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
IT & computer Shortcuts and Techniques with Examples
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