Computer Knowledge Practice Question and Answer
8 Q: _____are the fastest and the most expensive computers.
2755 05f0546afbedd52553096e59e
5f0546afbedd52553096e59e- 1Super computerstrue
- 2Laptopfalse
- 3Micro computersfalse
- 4Mini computersfalse
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Answer : 1. "Super computers "
Q: On what principle does a digital computer work?
2749 062ff8507fef7996822de12fa
62ff8507fef7996822de12fa- 1Counttrue
- 2Measurementfalse
- 3Electricfalse
- 4Logicalfalse
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Answer : 1. "Count"
Q: In a computer____ is capable to store a single binary bit?
2736 05f052e4a1d4388668c5418d4
5f052e4a1d4388668c5418d4- 1Registerfalse
- 2Conductorfalse
- 3Capacitorfalse
- 4Flip-Floptrue
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Answer : 4. "Flip-Flop "
Q: Which of the following is not true about remote desktop? 2729 15b5cc636e4d2b4197774ba43
5b5cc636e4d2b4197774ba43- 1Windows firewall can block Remote Desktop connectionsfalse
- 2you can start the remote desktop client using the mstsc commandfalse
- 3by default all users can access Remote Desktoptrue
- 4the client can be running any version of Windows 7false
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Answer : 3. "by default all users can access Remote Desktop"
Explanation :
Answer: C) by default all users can access Remote Desktop Explanation:
Q: Which folder provides temporary storage for the files and folders you want to delete?
2698 061cdc4f08067f406dfe9f75a
61cdc4f08067f406dfe9f75a- 1calculatorfalse
- 2Dustbinfalse
- 3Recycle Bintrue
- 4New Folderfalse
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Answer : 3. "Recycle Bin"
Q: When is Computer Literacy Day celebrated?
2697 05f6443e7becdf06fd264cbeb
5f6443e7becdf06fd264cbeb- 15 Decemberfalse
- 214 Decemberfalse
- 322 Decemberfalse
- 42 Decembertrue
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Answer : 4. "2 December"
Q: OCR stands for………..
2696 15da0479777652578d4efc0f7
5da0479777652578d4efc0f7- 1Optical Character Recognitiontrue
- 2Optical CPU Recognitionfalse
- 3Optimal Character Recognitionfalse
- 4Other Character Recognitionfalse
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Answer : 1. "Optical Character Recognition"
Q: Which memory needs refresh? 2683 05b5cc5ffe4d2b4197774b421
5b5cc5ffe4d2b4197774b421- 1DRAMtrue
- 2SRAMfalse
- 3ROMfalse
- 4None of thesefalse
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Answer : 1. "DRAM"
Explanation :
Answer: A) DRAM Explanation: Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information. Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory.