Tuesday 4 January 2022

Computer Awareness Questions and Quiz

1.Which Microsoft-based technology was built to link desktop applications to the World Wide Web? 

[A] Active Channel
[B] Active Desktop
[C] ActiveX
[D] None of the above

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Correct Answer: C [ActiveX ]
Notes:
ActiveX is a software framework created by Microsoft that adapts its earlier Component Object Model (COM) and Object Linking and Embedding (OLE) technologies for content downloaded from a network, particularly from the World Wide Web. It is used till IE11 but not Microsoft Edge.

2.Which among the following key is used for checking grammar and spelling?

[A] F3
[B] F5
[C] F7
[D] F9

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Correct Answer: C [F7]
Notes:
F7 is the key to check grammar and spellings in a document. Ribbon at start also can be used to check spellings.

3.Which of the following transforms input data into output data?

[A] Peripherals
[B] RAM
[C] ROM
[D] CPU

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Correct Answer: D [CPU]
Notes:
Input data is transformed into output by central processing unit- CPU. It is the electronic circuit in a computer that executes the instructions that make up a program. It performs operations specified by the instructions.

4.While browsing internet, what do we call the area of storage that compensates for the different speeds of data flow or timings of events by temporarily holding a block of data that is waiting to be processed? 

[A] Cache
[B] Buffer
[C] Flash
[D] Trash

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Correct Answer: B [Buffer]
Notes:
Buffering refers to downloading a certain amount of data before starting to play the music or movie. It manages the downloading data and temporarily holds the data as well.

5.News websites deliver customized ‘feeds’ of content to their readers via RSS, which stands for :

[A] Really Simple Syndication
[B] Real Social Syndication
[C] Registered Subscriber Syndication
[D] Really Simple Synchronization

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Correct Answer: A [Really Simple Syndication]
Notes:
Real Simple Syndication (RSS) is the term used to refer the collection of Web feed formats. They provide updated or shared information in a standardized way. They deliver customized ‘feeds’ to the customers.

6.Which of the following devices use computers as control systems for functioning?

[A] Industrial Robots
[B] Remote Controls
[C] Microwave Ovens
[D] All of the above

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Correct Answer: D [All of the above]
Notes:
Computers are used in a huge arena of human endeavours and act as a second self to all of us. These act as control systems in a number of household and industrial devices like industrial robots, microwave ovens, remote controls, smartphones, personal computers etc.

7.Which of the following is the first example of an electromechanical relay computer?

[A] Differential Analyzer
[B] Torpedo Data Computer
[C] Z2
[D] Jacquard Loom

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Correct Answer: C [Z2]
Notes:
The Z2, created by a German Engineer Konrad Zuse in 1939, was one of the foremost examples of an electromechanical relay computer.

8.Which of the following is  a common property of a computer program?

[A] Terms of Reference
[B] Reference files
[C] Locality of Reference
[D] Line of Reference

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Correct Answer: C [Locality of Reference]
Notes:
A highly common property of a computer program is the locality of reference. This basically refers to accessing of the same values repeatedly and frequently holding these in registers for improvement of performance.

9.Which of the following includes Logic Operations?

[A] AND
[B] XOR
[C] NOT
[D] All of the above

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Correct Answer: D [All of the above]
Notes:
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.

10.What was the name of the first vacuum tube invented by Lee de Forest in 1906?

[A] Colossus
[B] Leedion
[C] Audion
[D] Radion

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Correct Answer: C [Audion]
Notes:
Audion was the first vacuum tube invented in 1906 by Lee de Forest. It was the size of a person’s thumb and glowing red hot like a tiny electric light bulb. This bagged him the nickname as “the father of radio”.

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