Computer Knowledge Practice Question and Answer
8 Q: Which of the following is a valid example of an e-wallet?
2870 061cdda7c7d65a306e5687afe
61cdda7c7d65a306e5687afe- 1Drop Boxfalse
- 2Way To Smsfalse
- 3Monster Indiafalse
- 4Pay TM (PayTM)true
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Answer : 4. "Pay TM (PayTM)"
Explanation :
1. Paytm is an example of a valid e-wallet. E-wallet is a digital wallet that can be used to make payments both online and offline.
2. Paytm is a popular Indian e-wallet used by millions of people in India. Paytm can be used by users for online shopping, cash transfers, and bill payments.
Examples of valid e-wallets include-
Google Pay
PhonePe
Amazon Pay
Flipkart Pay
Mobikwik
Airtel Payments Bank
ICICI Pockets
HDFC Payzapp
Q: A handheld device that allows you to control your computer without typing instructions from a keyboard is known as_______.
2867 05e69ee1c755e9d6ad85dbc70
5e69ee1c755e9d6ad85dbc70- 1Tabletfalse
- 2PDAfalse
- 3Mousetrue
- 4Mikefalse
- 5None of thesefalse
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Answer : 3. "Mouse "
Q: A bar code reader is an example of a ( n ) .
2866 05e9691ebaff06865e9836efb
5e9691ebaff06865e9836efb- 1processing devicefalse
- 2storage devicefalse
- 3input devicetrue
- 4output devicefalse
- 5printerfalse
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Answer : 3. "input device "
Q: What is the full form of CPU?
2866 05f64445fa372fb53671195ad
5f64445fa372fb53671195ad- 1Central Processing Unittrue
- 2Central Problem Unitfalse
- 3Central Processing Unionfalse
- 4None of thesefalse
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Answer : 1. "Central Processing Unit"
Q: Microprocessor which is the brain of computer is called?
2852 05ff7ded9f160821c22b84986
5ff7ded9f160821c22b84986- 1softwarefalse
- 2Microchiptrue
- 3Macrofalse
- 4All the statements are truefalse
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Answer : 2. "Microchip"
Q: Which key is used for the last action? 2852 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 __.
2845 05fc8b291d0af4c56f5ec782c
5fc8b291d0af4c56f5ec782c- 1a valuefalse
- 2a rowfalse
- 3an attributefalse
- 4a columnfalse
- 5a relationtrue
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Answer : 5. "a relation "
Q: 192.161.121.100 is an example of which class?
2815 05e99b2491dda1f42d77fd4f3
5e99b2491dda1f42d77fd4f3- 1Class Afalse
- 2Class Bfalse
- 3Class Ctrue
- 4Class Dfalse
- 5Class Efalse
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