IT &computer MCQ section 3 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Laser printer
(b) Ink-jet printer
(c) Bubble-jet printer
(d) Daisy wheel printer
The correct answers to the above question in:
Answer: (d)
Impact Printers refer to a class of printers that work by banging a head or needle against an ink ribbon to make a mark on the paper. This includes dot-matrix printers, daisy-wheel printers, and line printers. In contrast, laser and ink-jet printers are nonimpact printers.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
Who developed the concept of email ?
a) Ray Tomlinson
b) Bill Gates
c) Arthur C. Clark
d) Sabir Bhatia
Answer »Answer: (a)
Ray Tomlinson is credited with developing the first viable e-mail program in 1971 for use on the ARPANET.
Although text messages were occasionally sent over the network, Tomlinson created the first program. it is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks.
Some early email systems required that the author and the recipient both be online at the same time, in common with instant messaging. Today’s email systems are based on a store-and-forward model.
Question : 2
Direct access of file is also known as
a) file access
b) random access
c) relative access
d) sequential access
Answer »Answer: (b)
In computer storage, direct access is the ability to obtain data from a storage device by going directly to where it is physically located on the device rather than by having to sequentially look for the data at one physical location after another.
Direct access is also called random access because it allows equally easy and fast access to any randomly selected destination.
Question : 3
A computer virus is
a) data that the computer fails to handle.
b) a chemical that attacks silicon.
c) a micro-organism that destroys integrated circuits.
d) a special kind of computer programme.
Answer »Answer: (d)
A computer virus is a computer programme that can replicate itself and spread from one computer to another. The term “virus” is also commonly, but erroneously, used to refer to other types of malware, including but not limited to adware and spyware programs that do not have a reproductive ability.
Malware includes computer viruses, computer worms, Trojan horses, most rootkits, spyware, dishonest adware and other malicious or unwanted software, including true viruses.
Question : 4
To read a CD-ROM disc, you need a
a) sound card
b) laser beam
c) magnetic needle
d) graphics card
Answer »Answer: (b)
Data is stored on the disc as a series of microscopic indentations. A laser is shone onto the reflective surface of the disc to read the pattern of pits and lands.
Because the depth of the pits is approximately one-quarter to one-sixth of the wavelength of the laser light used to read the disc, the reflected beam's phase is shifted in relation to the incoming beam, causing destructive interference and reducing the reflected beam's intensity. This pattern of changing the intensity of the reflected beam is converted into binary data.
Question : 5
Correct expansion of the term ‘http’ in Internet address is
a) hybrid text transfer protocol
b) higher text transfer protocol
c) higher transfer text protocol
d) hypertext transfer protocol
Answer »Answer: (d)
The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web. HTTP is the protocol to exchange or transfer hypertext.
Question : 6
An Intelligent terminal
a) interacts with the user in English
b) has a microprocessor, but cannot be programmed by the user
c) can process small data processing jobs, with the use of a large CPU
d) cannot take data from the user
Answer »Answer: (c)
An Intelligent terminal is A terminal with built-in processing capability, but no local disk or tape storage.
It may use a general-purpose CPU or may have specialized circuitry as part of a distributed intelligence system. Intelligent terminals include memory and a processor to perform special display operations.
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IT &computer MCQ section 1
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IT &computer MCQ section 7
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