Computer Knowledge Practice Question and Answer
8 Q: What are the individual dots which make up a picture on the monitor screen called?
895 061a8a54379521755588dedc1
61a8a54379521755588dedc1- 1All of the abovefalse
- 2Coloured spotsfalse
- 3Pixiesfalse
- 4Pixelstrue
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Answer : 4. "Pixels"
Q: The errors that can be pointed out by the compiler are:
893 063ac113ce541fa7a012ef490
63ac113ce541fa7a012ef490- 1syntax errortrue
- 2semantic errorfalse
- 3logical errorfalse
- 4run time errorfalse
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Answer : 1. "syntax error "
Q: _______ is used to measure the speed of the processor.
893 064a52879dc607a4d2b28119b
64a52879dc607a4d2b28119b- 1Velocityfalse
- 2Unitfalse
- 3Clock speedtrue
- 4Memoryfalse
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Answer : 3. "Clock speed"
Explanation :
1. Clock speed is used to measure the speed of the processor.
2. Clock speed is the rate at which a processor can complete a processing cycle. It is usually measured in megahertz or gigahertz.
3. One megahertz is equal to one million cycles per second, while one gigahertz is equal to one billion cycles per second. This means that a 1.8 GHz processor has twice the clock speed of a 900 MHz processor.
Q: What is the process
of turning on the computer called?
892 061b88db8a9d1da035de4322c
61b88db8a9d1da035de4322c- 1Startingfalse
- 2turning onfalse
- 3Hibernatingfalse
- 4Bootingtrue
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Answer : 4. "Booting"
Q: What is the purpose of an e-public distribution system?
890 064b9180fe154aff53380f0b1
64b9180fe154aff53380f0b1- 1Providing food grains to the poor at low ratestrue
- 2Providing houses to the poorfalse
- 3Providing medical facilities to the poorfalse
- 4All of the abovefalse
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Answer : 1. "Providing food grains to the poor at low rates"
Explanation :
1. In India, an e-Public Distribution System or e-Public Distribution System (ePDS) has been developed to deal with food shortage and through this, food grains are distributed to the poor people of the society at affordable prices.
2. The Centre's allocation of grains to the states depends on the availability of grains in the central stocks and the average grain purchased by the states in the last three years.
3. The main commodities available under this benefit are – wheat, rice, sugar and kerosene.
Q: What is the use of a Mobile Wallet?
889 064b914b12d3130f5753f077a
64b914b12d3130f5753f077a- 1Dialling numbers and watching videosfalse
- 2Callingfalse
- 3Exchange of moneytrue
- 4None of the abovefalse
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Answer : 3. "Exchange of money"
Explanation :
The mobile wallet can be used for the following functions:
1. Payment: Using a mobile wallet, you can make payments both online and offline. You can pay using your mobile wallet at any store, restaurant, or other business that accepts mobile wallets.
2. Money Transfer: Using a mobile wallet, you can transfer funds from your bank account to another person's bank account. You can send money to your friends, family, or any other person using a mobile wallet.
3. Recharge and bill payments: Using a mobile wallet, you can pay your mobile phone, data pack, electricity bill, water bill, and other bills.
4. Point of Sale (POS) Transactions: Using mobile wallets, you can make payments through POS machines. For POS transactions, you simply need to open your mobile wallet app and tap your phone on the POS machine to make a payment.
Q: What are 'portable' computers for traveling users?
887 0619f5369c1c85f0fbf502554
619f5369c1c85f0fbf502554- 1Super Computerfalse
- 2Serverfalse
- 3Laptoptrue
- 4Mini Computerfalse
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Answer : 3. "Laptop"
Q: BASIC language is used for which of the following work?
886 062ff6628047feb079270a88e
62ff6628047feb079270a88e- 1For commercial purposesfalse
- 2For scientific calculationsfalse
- 3to teach childrenfalse
- 4To learn simple language in the beginningtrue
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