Computer Knowledge Practice Question and Answer
8 Q: How many digits are included in the Aadhar card number?
1304 061a74fe760755647282dabe9
61a74fe760755647282dabe9- 112true
- 28false
- 310false
- 416false
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Answer : 1. " 12"
Q: The goal of normalization is to _______.
1303 061b8bbf9a9d1da035de50376
61b8bbf9a9d1da035de50376- 1Minimize the number of relationshipsfalse
- 2Minimum number of entitiesfalse
- 3Minimize the number of tablesfalse
- 4Minimizing data redundancytrue
- 5None of thesefalse
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Answer : 4. "Minimizing data redundancy"
Q: The decimal equivalent of the number (614)7 will be –
1302 063e9fc7aaa2a114c95185d92
63e9fc7aaa2a114c95185d92- 11000false
- 2614false
- 3305true
- 4200false
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Answer : 3. "305"
Q: Which type of computer is used to study earthquakes?
1302 064ba4dee2dc867f59307119e
64ba4dee2dc867f59307119e- 1Mainframe computerfalse
- 2Mini computerfalse
- 3Micro computerfalse
- 4Super computertrue
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Answer : 4. "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: Before a user can access the Internet, which of the following is necessary?
1301 061c45fb8743b28278b074feb
61c45fb8743b28278b074feb- 1Internet Servicefalse
- 2Modemfalse
- 3Web Browserfalse
- 4all of the abovetrue
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Answer : 4. "all of the above"
Q: With which of the following all formulas in excel starts ?
1300 060b88b8baea2402e59c1fb06
60b88b8baea2402e59c1fb06- 1/false
- 2*false
- 3$false
- 4=true
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Answer : 4. "="
Q: Integrated circuit is related to which generation of computer?
1296 063ecbd5235d86258ec99b4ad
63ecbd5235d86258ec99b4ad- 1first generationfalse
- 2second generationfalse
- 3third generationtrue
- 4fourth generationfalse
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Answer : 3. "third generation"
Explanation :
Integrated circuits (ICs) were first introduced during the third generation of computers. The third generation of computers, which emerged in the 1960s, saw the development and widespread use of integrated circuits. These tiny electronic circuits contained multiple transistors, resistors, and capacitors on a single semiconductor chip. The use of integrated circuits significantly reduced the size of computers, increased their processing speed, and improved their reliability, marking a significant advancement in computer technology.
Q: Which of the following is not an example of a mobile wallet?
1291 061a749c64bf20d5096c7e66d
61a749c64bf20d5096c7e66d- 1SBI Bodyfalse
- 2Bhimafalse
- 3Pay-TMfalse
- 4Credit cardtrue
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