Computer Awareness Questions Practice Question and Answer
8 Q: Which of the following is the input unit?
2890 15f644517a372fb5367119986
5f644517a372fb5367119986- 1Moussefalse
- 2Keyboardfalse
- 3Scannerfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: In a computer____ is capable to store a single binary bit?
2881 05f052e4a1d4388668c5418d4
5f052e4a1d4388668c5418d4- 1Registerfalse
- 2Conductorfalse
- 3Capacitorfalse
- 4Flip-Floptrue
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Answer : 4. "Flip-Flop "
Q: Which unit holds data temporarily? 2875 05b5cc64de4d2b4197774bcb2
5b5cc64de4d2b4197774bcb2- 1Secondary storage unitfalse
- 2Output Unitfalse
- 3Primary Memory Unittrue
- 4Input unitfalse
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Answer : 3. "Primary Memory Unit"
Explanation :
Answer: C) Primary Memory Unit Explanation: Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU. Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory. Manufacturers often use the term RAM, which stands for random-access memory.
Q: 1 kilobyte (KB) equals how many bytes?
2861 05e46220f93bdc675418affa6
5e46220f93bdc675418affa6- 11024 bytestrue
- 21024 megabytesfalse
- 31024 gigabytesfalse
- 4None of thesefalse
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Answer : 1. "1024 bytes"
Q: “World Wide Web" is made by:
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5f0571d63f7f070477915fde- 1Tike Berners Leefalse
- 2Tim Berners Leetrue
- 3Tom Berners Leefalse
- 4Tin Berners Leefalse
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Answer : 2. "Tim Berners Lee "
Q: Which of the following is not an input device?
2859 05da046e60ba8fe2a19c1eb7b
5da046e60ba8fe2a19c1eb7b- 1Keyboardfalse
- 2Monitortrue
- 3Joystickfalse
- 4Microphonefalse
- 5None of thesefalse
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Answer : 2. "Monitor"
Q: Which of the following is not an Output device? 2845 05b5cc6abe4d2b4197774cffc
5b5cc6abe4d2b4197774cffc- 1Scannertrue
- 2Moniterfalse
- 3Printerfalse
- 4Speakersfalse
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Answer : 1. "Scanner"
Explanation :
Answer: A) Scanner Explanation:
Q: Which memory needs refresh? 2836 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.