Computer Knowledge Practice Question and Answer
8Q: Main storage is also called 1813 15b5cc675e4d2b4197774c120
5b5cc675e4d2b4197774c120- 1Memorytrue
- 2Control unitfalse
- 3Accumulatorfalse
- 4Register unitfalse
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Answer : 1. "Memory"
Explanation :
Answer: A) Memory Explanation: In a computer, the area where the data is stored for the quick access by the computer's processor is called Main storage or Primary storage or Memory or RAM. Hence, main storage is also called Memory.
Q: In which of these memory access schemes, separate Read / Write heads are required?
1806 05f052c77b864a45d9075b753
5f052c77b864a45d9075b753- 1Sequential Accessfalse
- 2Direct Accessfalse
- 3Random Accessfalse
- 4None of thesetrue
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Answer : 4. "None of these "
Q: Which of the following is an open source (free to all) mobile OS?
1804 061c583dee343c02767855ac7
61c583dee343c02767855ac7- 1Wi-Fifalse
- 2Inductionfalse
- 3Infraredfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Explanation :
An open source (free for all) low connectivity requirement.
- Wi-Fi
- Induction
- infrared Q: Which of the
following runs on computer hardware and the other Provides a platform to run
the software?
1793 061b88ae4b700dd1b9f6bfa97
61b88ae4b700dd1b9f6bfa97- 1Operating Systemtrue
- 2Application softwarefalse
- 3(A) and (B) bothfalse
- 4none of thesefalse
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Answer : 1. "Operating System"
Q: The resolution of a printer is measured in 1789 05b5cc626e4d2b4197774b869
5b5cc626e4d2b4197774b869- 1DPItrue
- 2Megabitsfalse
- 3Hertzfalse
- 4Inchesfalse
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Answer : 1. "DPI"
Explanation :
Answer: A) DPI Explanation: Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).
Q: This device is the communication medium for the entire computer system and placed in the system unit. Identify the device.
1784 05fe066ab58687c1e4b9f0ddd
5fe066ab58687c1e4b9f0ddd- 1ROMfalse
- 2RAMfalse
- 3Motherboardtrue
- 4None of thesefalse
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Answer : 3. "Motherboard"
Q: _____are the fastest and the most expensive computers.
1782 05f0546afbedd52553096e59e
5f0546afbedd52553096e59e- 1Super computerstrue
- 2Laptopfalse
- 3Micro computersfalse
- 4Mini computersfalse
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Answer : 1. "Super computers "
Q: Internet server is known as-
1777 05f852edd86e57719fdc0afca
5f852edd86e57719fdc0afca- 1Hubfalse
- 2Hosttrue
- 3Bridgefalse
- 4Clientfalse
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