Computer GK Questions Practice Question and Answer
8 Q: Which of the following is used in information security to prove the identity of the sender?
860 061cdb8a6e638db77e7a3e36c
61cdb8a6e638db77e7a3e36c- 1Confidentialityfalse
- 2Integrityfalse
- 3Authenticationtrue
- 4none of the abovefalse
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Answer : 3. "Authentication"
Q: Where would you find the letters QUERTY?
857 061a8a23c0fbe1213adc01b51
61a8a23c0fbe1213adc01b51- 1Mousefalse
- 2Screenfalse
- 3Keyboardtrue
- 4None of thesefalse
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Answer : 3. "Keyboard"
Q: Which of the following authority has issued Aadhar card?
857 061a753e15e08c72fe67468d5
61a753e15e08c72fe67468d5- 1AAIfalse
- 2NHAIfalse
- 3UIDAItrue
- 4Sports Authority of Indiafalse
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Answer : 3. "UIDAI"
Q: What is the nature of communication-
856 063bff4e474eba5069d5c4bd6
63bff4e474eba5069d5c4bd6- 1To do the assigned workfalse
- 2Taking notesfalse
- 3Procedure for providing informationtrue
- 4Classroom discussionfalse
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Answer : 3. "Procedure for providing information"
Q: Writing set of instruction to run a software
852 062cfd4fa31b6d20155395006
62cfd4fa31b6d20155395006- 1Codingtrue
- 2Bufferingfalse
- 3Decodingfalse
- 4Amplifyingfalse
- 5Debuggingfalse
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Answer : 1. "Coding "
Q: How is the resolution of the screen shown?
851 064a518a1b394764d11b0c155
64a518a1b394764d11b0c155- 1Dotsfalse
- 2Colorsfalse
- 3Pixels per inchtrue
- 4Dot per inchfalse
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Answer : 3. "Pixels per inch"
Explanation :
1. PPI (pixels per inch) refers to display resolution, or, how many individual pixels are displayed in one inch of a digital image.
2. DPI (dots per inch) refers to printer resolution, or, the number of dots of ink on a printed image.
3. The physical size of an image refers to the dimensions in which it will print (ex: 8.5" x 11") or the pixel dimensions of an image displayed on the web (ex: 600 pixels x 800 pixels).
Q: ……….. is used to send digital data over a telephone line?
850 061cdbc658067f406dfe9e2a7
61cdbc658067f406dfe9e2a7- 1Scannerfalse
- 2LANfalse
- 3Modemtrue
- 4pen drivefalse
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Answer : 3. "Modem"
Q: Which of the following is not an image/graphic file format?
848 064a5278c9a74b54cff57d4b5
64a5278c9a74b54cff57d4b5- 1PNGfalse
- 2GIFfalse
- 3BMPfalse
- 4GItrue
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Answer : 4. "GI"
Explanation :
1. GUI or graphic user interface has nothing to do with graphic files because it is a type of interface that interacts through visual indicators such as graphical icons and secondary notation, unlike text-based interfaces, type command labels or text navigation. Provides facility to do.