Computer Knowledge Practice Question and Answer
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Q: “World Wide Web" is made by:
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5f0571d63f7f070477915fde- 1Tike Berners Leefalse
- 2Tim Berners Leetrue
- 3Tom Berners Leefalse
- 4Tin Berners Leefalse
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Answer : 2. "Tim Berners Lee "
Q: Which command allows you to reduce fragments of file and optimize the performance of disk?
1356 06082aee360a06a7ffdab959c
6082aee360a06a7ffdab959c- 1Chkdskfalse
- 2Diskcompfalse
- 3Scandiskfalse
- 4Defragtrue
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Answer : 4. "Defrag "
Q: Which is not the extension of picture file on computer
854 06177ecab9909565b235446f3
6177ecab9909565b235446f3- 1.jpegfalse
- 2.pngfalse
- 3.giffalse
- 4.mdptrue
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Answer : 4. ".mdp "
Q: Which of the following is 3rd layer of OSI Model?
1599 25f053cd1b864a45d9075e847
5f053cd1b864a45d9075e847- 1Network layertrue
- 2Session layerfalse
- 3Physical layerfalse
- 4Application layerfalse
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Answer : 1. "Network layer "
Q: How many bytes are equal to one kilobyte?
9315 45db97fdaa263e63785742a27
5db97fdaa263e63785742a27- 11050false
- 21000false
- 3976false
- 41024true
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Answer : 4. "1024 "
Q: When is Rajasthan Information Technology Day celebrated?
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634e539145573528562c93e2- 1March 21true
- 2March 22false
- 3April 21false
- 4April 22false
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Answer : 1. "March 21"
Q: What is the function of a MODEM?
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5f0454cc26cfc348bd6e0bc3- 1Converts analog signals to digital and vice - versatrue
- 2Serves as a hardware anti - virusfalse
- 3Encryption & Decryptionfalse
- 4Converts data to voice and vice - versafalse
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Answer : 1. "Converts analog signals to digital and vice - versa "
Q: Which of the following are the cheapest memory devices in terms of cost/bit?
1945 05f04577d26cfc348bd6e1d78
5f04577d26cfc348bd6e1d78- 1Magnetic Tapesfalse
- 2Compact Disktrue
- 3Semiconductor Memoriesfalse
- 4Magnetic Diskfalse
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Answer : 2. "Compact Disk "
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