Computer Knowledge Practice Question and Answer
8 Q: Which of the following is a valid example of an e-wallet?
3282 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: Computer virus is:
3274 05f0574fe02dcf406bb4d5450
5f0574fe02dcf406bb4d5450- 1Computer programtrue
- 2Operating systemfalse
- 3Part of OSfalse
- 4Part of Hardwarefalse
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Answer : 1. "Computer program "
Q: What is the language often used by children in a computer program?
3269 15f6446a0becdf06fd264d714
5f6446a0becdf06fd264d714- 1Basicfalse
- 2Javafalse
- 3logotrue
- 4Pilotfalse
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Answer : 3. "logo"
Q: What is called, a concentric circle on a disk?
3258 05ea263e1d3396d16da841deb
5ea263e1d3396d16da841deb- 1Sectorfalse
- 2Tracktrue
- 3Sectionfalse
- 4Arcfalse
- 5Directoryfalse
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Answer : 2. "Track"
Q: A bar code reader is an example of a ( n ) .
3245 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?
3244 05f64445fa372fb53671195ad
5f64445fa372fb53671195ad- 1Central Processing Unittrue
- 2Central Problem Unitfalse
- 3Central Processing Unionfalse
- 4None of thesefalse
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Answer : 1. "Central Processing Unit"
Q: Blu-Ray technology is developed by:
3224 05f057440b864a45d9076871e
5f057440b864a45d9076871e- 1IBMfalse
- 2Compaqfalse
- 3Sonytrue
- 4Applefalse
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Answer : 3. "Sony "
Q: The brain of any computer system is 3216 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.