Computer Knowledge Practice Question and Answer
8Q: GUI stands for 2803 05b5cc675e4d2b4197774c0f6
5b5cc675e4d2b4197774c0f6- 1Graphical Universal Interfacefalse
- 2Graph Use Interfacefalse
- 3Graphical Unique Interfacefalse
- 4Graphical User Interfacetrue
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Answer : 4. "Graphical User Interface"
Explanation :
Answer: D) Graphical User Interface Explanation: GUI stands for Graphical User Interface. A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.
Q: Which key is used for the last action? 2795 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 bar code reader is an example of a ( n ) .
2786 05e9691ebaff06865e9836efb
5e9691ebaff06865e9836efb- 1processing devicefalse
- 2storage devicefalse
- 3input devicetrue
- 4output devicefalse
- 5printerfalse
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Answer : 3. "input device "
Q: The brain of any computer system is 2783 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: A table in a relational database terminology is synonymous with __.
2778 05fc8b291d0af4c56f5ec782c
5fc8b291d0af4c56f5ec782c- 1a valuefalse
- 2a rowfalse
- 3an attributefalse
- 4a columnfalse
- 5a relationtrue
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Answer : 5. "a relation "
Q: Which of the following is a valid example of an e-wallet?
2777 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: What is the full form of CPU?
2773 05f64445fa372fb53671195ad
5f64445fa372fb53671195ad- 1Central Processing Unittrue
- 2Central Problem Unitfalse
- 3Central Processing Unionfalse
- 4None of thesefalse
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Answer : 1. "Central Processing Unit"
Q: …………… is the process of dividing the disk into tracks and sectors.
2768 25da0484f00e22578c9e959d9
5da0484f00e22578c9e959d9- 1Trackingfalse
- 2Formattingtrue
- 3Crashingfalse
- 4Allottingfalse
- 5None of thesefalse
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