Computer Knowledge Practice Question and Answer
8 Q: One kilo byte is equal to _______.
786 064942599dad6f2e01f5b37ae
64942599dad6f2e01f5b37ae- 11000 mega bytefalse
- 21024 mega bytefalse
- 31024 bytetrue
- 41000 Bytefalse
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Answer : 3. "1024 byte"
Explanation :
1. Computer memory is usually measured in bytes.
2. The memory of a computer is similar to that of the human brain.
3. It is used to store data and instructions.
4. One kilobyte is equal to 1024 bytes.
5. Defined in computer science by the International System of Units (SI), one byte is equal to eight bits.
Q: The errors that can be pointed out by the compiler are:
785 063ac113ce541fa7a012ef490
63ac113ce541fa7a012ef490- 1syntax errortrue
- 2semantic errorfalse
- 3logical errorfalse
- 4run time errorfalse
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Answer : 1. "syntax error "
Q: In general a Blu-ray high definition disk has ........ resolution.
785 063ac125fe541fa7a012f0282
63ac125fe541fa7a012f0282- 1520 x 380 pixelfalse
- 21920 x 1080 pixeltrue
- 32016 x 1080 pixelfalse
- 43804 x 2016 pixelfalse
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Answer : 2. "1920 x 1080 pixel "
Q: Under which scheme facilities related to different departments are made available at one place?
783 063bff6e9b90600403be60777
63bff6e9b90600403be60777- 1Digital Indiafalse
- 2E-commercetrue
- 3E-Mitrafalse
- 4E-Suvidhafalse
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Answer : 2. "E-commerce"
Q: OTP is used as one of the additional security features for secure online transactions, what is the full form of OTP?
781 064a564d0dc607a4d2b28f9fc
64a564d0dc607a4d2b28f9fc- 1Only time periodfalse
- 2One time periodfalse
- 3One Time Passwordtrue
- 4Only time passwordfalse
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Answer : 3. "One Time Password"
Explanation :
1. The full form of OTP is One one-time password.
2. OTP is used as one of the additional security features for secure online transactions.
3. The OTP feature prevents certain types of identity theft by ensuring that a captured username/password pair cannot be used a second time.
4. The user's login name usually remains the same, and the one-time password changes with each login.
5. One-Time Password (aka One-Time Passcode) is a form of strong authentication, providing better security to eBanking, corporate networks, and other sensitive data systems.
Q: Which of these computers is the most powerful in data storage capacity, performance and data processing?
779 064b91f5ba2d4dcaf04389a51
64b91f5ba2d4dcaf04389a51- 1Micro computerfalse
- 2super computertrue
- 3Palmtop computerfalse
- 4Mainframe computerfalse
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Answer : 2. "super computer"
Explanation :
1. Supercomputer is a powerful computer in terms of data storage capacity, performance and data processing.
2. A supercomputer is a powerful computer that can process large amounts of data and computations very quickly.
3. Supercomputers perform copious amounts of mathematical calculations.
4. Supercomputers are used for a wide variety of applications, including meteorology, medical research, and nuclear weapons research.
Q: Can it be kept in a cell of Microsoft Excel?
778 064b9327c23047f4c71ce4b3b
64b9327c23047f4c71ce4b3b- 1Numberfalse
- 2Textfalse
- 3Formulafalse
- 4All of the abovetrue
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Answer : 4. "All of the above "
Explanation :
Can be placed in a cell of Microsoft Excel.
- Number
- Text
- Formula
Q: ……….. is used to send digital data over a telephone line?
777 061cdbc658067f406dfe9e2a7
61cdbc658067f406dfe9e2a7- 1Scannerfalse
- 2LANfalse
- 3Modemtrue
- 4pen drivefalse
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