Computer Knowledge Practice Question and Answer
8 Q: Which is the fastest computer?
1093 061a73c1d4bf20d5096c74df0
61a73c1d4bf20d5096c74df0- 1Mainframefalse
- 2Microcomputerfalse
- 3Workstationfalse
- 4supercomputertrue
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Answer : 4. "supercomputer"
Q: Which of the following is used in information security to prove the identity of the sender?
1093 061cdb8a6e638db77e7a3e36c
61cdb8a6e638db77e7a3e36c- 1Confidentialityfalse
- 2Integrityfalse
- 3Authenticationtrue
- 4none of the abovefalse
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Answer : 3. "Authentication"
Q: What is used by a search engine to find information?
1092 06494114a1a612ce001e31474
6494114a1a612ce001e31474- 1Web crawling or web spiderfalse
- 2Indexingfalse
- 3Searchingfalse
- 4all of thesetrue
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Answer : 4. "all of these"
Explanation :
Used by a search engine to find information.
1. Web crawling and web spiders
2. Indexing
3. Searching Q: How is the resolution of the screen shown?
1087 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: Which statement is true for Router and Wretch?
1084 063edfee03c221e1b4dd138d6
63edfee03c221e1b4dd138d6- 1Wretch connects two networks at data link layerfalse
- 2Router is more usefulfalse
- 3Router connects two networks at the Network Layer.false
- 4both (a) and (c)true
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Answer : 4. "both (a) and (c)"
Q: Computer virus is-
1077 063bff5f9b90600403be60638
63bff5f9b90600403be60638- 1Softwaretrue
- 2Hardwarefalse
- 3Backup programsfalse
- 4None of the abovefalse
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Answer : 1. "Software"
Q: Which of the following would you use to want the same display of all the slides in the Presentation?
1071 061a789d660755647282f2df4
61a789d660755647282f2df4- 1Slide Layout Optionstrue
- 2Slide Option Addfalse
- 3Outline Viewfalse
- 4Present gestation design templatefalse
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Answer : 1. "Slide Layout Options"
Q: What is Google Play Store?
1066 064940e1c13e8bde032354204
64940e1c13e8bde032354204- 1It is an international online software store developed by Google for Android devices.true
- 2It is an online store selling hardware devices for Android devices.false
- 3It is a chat program where people interact with each other.false
- 4It is a physical store where you can buy anythingfalse
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Answer : 1. "It is an international online software store developed by Google for Android devices."
Explanation :
1. It is an international online software store developed by Google for Android devices.
2. Google Play is an online store where people can find their favorite applications, games, movies, TV shows, books, and more.
3. There are 2 million applications and games available for billions of people in the world.
4. So far, developers have earned more than $120 billion from these.