Computer Knowledge Practice Question and Answer
8Q: The brain of any computer system is 2944 15b5cc607e4d2b4197774b54e
5b5cc607e4d2b4197774b54e- 1CPUtrue
- 2Memoryfalse
- 3Controlfalse
- 4ALUfalse
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Answer : 1. "CPU"
Explanation :
Answer: A) CPU Explanation: Central Processing Unit (CPU) is the brain of any computer system.
Q: Microprocessor which is the brain of computer is called?
2940 05ff7ded9f160821c22b84986
5ff7ded9f160821c22b84986- 1softwarefalse
- 2Microchiptrue
- 3Macrofalse
- 4All the statements are truefalse
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Answer : 2. "Microchip"
Q: A bar code reader is an example of a ( n ) .
2936 05e9691ebaff06865e9836efb
5e9691ebaff06865e9836efb- 1processing devicefalse
- 2storage devicefalse
- 3input devicetrue
- 4output devicefalse
- 5printerfalse
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Answer : 3. "input device "
Q: A handheld device that allows you to control your computer without typing instructions from a keyboard is known as_______.
2931 05e69ee1c755e9d6ad85dbc70
5e69ee1c755e9d6ad85dbc70- 1Tabletfalse
- 2PDAfalse
- 3Mousetrue
- 4Mikefalse
- 5None of thesefalse
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Answer : 3. "Mouse "
Q: What is the complete form of E-Mitra?
2923 064ba803988d5e4f52de40f3b
64ba803988d5e4f52de40f3b- 1Employer Mitrafalse
- 2Emergency Mitrafalse
- 3Electronic Mitratrue
- 4None Of The Abovefalse
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Answer : 3. "Electronic Mitra"
Explanation :
Application for Government Services and Fee Payment: Using the e-Mitra portal, citizens can apply for various government services and pay fees. These services include-
- Bill payment Home
- Application for certificates
- Filing of grievances
- Birth certificate
- Death certificate
- Caste certificate
- Basic address proof
- Ration card
- Passport
- driving license
Q: Internet Banking is an example of ?
2921 05f85326888adb713ced5f3bc
5f85326888adb713ced5f3bc- 1EDP (Electronic Data Processing)false
- 2Electronic Funds Transfer (EFT)true
- 3EBCDICfalse
- 4None of thesefalse
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Answer : 2. "Electronic Funds Transfer (EFT)"
Q: Which key is used for the last action? 2910 05b5cc6a4e4d2b4197774cc67
5b5cc6a4e4d2b4197774cc67- 1Ctrl + Dfalse
- 2Alt + Zfalse
- 3Ctrl + Ztrue
- 4Alt + Dfalse
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Answer : 3. "Ctrl + Z"
Explanation :
Answer: C) Ctrl + Z Explanation: For undo the action or last action [Ctrl + Z] is used.
Q: A table in a relational database terminology is synonymous with __.
2902 05fc8b291d0af4c56f5ec782c
5fc8b291d0af4c56f5ec782c- 1a valuefalse
- 2a rowfalse
- 3an attributefalse
- 4a columnfalse
- 5a relationtrue
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