Computer Knowledge Practice Question and Answer
8 Q: What is the function of central processing unit of computer?
1607 05ff7dcc5d9d7f36ecf3067eb
5ff7dcc5d9d7f36ecf3067eb- 1deletes the datafalse
- 2Creates an invoicefalse
- 3Performs calculations and processingtrue
- 4None of thesefalse
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Answer : 3. "Performs calculations and processing"
Q: Suppose there are
some numerical values in cells B1, B2 and B3 in MS-Excel. What is the
correct formula to find the minimum of the values in these cells?
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61b88804a9d1da035de412d7- 1=MIN(B1,MIN(B2,B3))true
- 2=MIN(B1,MAX(B2,B3))false
- 3=MAX(B1, MIN(B2,B3))false
- 4=MAX(B1,MAX(B2,B3))false
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Answer : 1. "=MIN(B1,MIN(B2,B3))"
Q: The virus that spreads in application software is called -
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63e628a1cc37d41b3f99b6fb- 1boot virusfalse
- 2macro virustrue
- 3antivirusfalse
- 4file virusfalse
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Answer : 2. "macro virus"
Q: What is the shortcut key for opening a new document or window?
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65253f105db74b27f7ce4470- 1Ctrl + Ofalse
- 2Ctrl + Sfalse
- 3Ctrl + Ntrue
- 4Ctrl + Pfalse
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Answer : 3. "Ctrl + N"
Explanation :
1. In Microsoft Word, Excel, and PowerPoint, the shortcut key to open a new document or window is Ctrl+N. Pressing this key will open a new document or window.
2. If you want to open a specific type of document, you can select a specific document type following the Ctrl+N key combination. For example, if you want to open a new Word document, you can select Word Document followed by the Ctrl+N key combination.
3. Here are some other shortcut keys that can be used to open a new document or window-
- Ctrl+O: Open an existing document
- Ctrl+S: Save the current document
- Ctrl+P: Print the current document
- Ctrl+X: Cut selected content
- Ctrl+C: Copy selected content
- Ctrl+V: Paste selected content
- Ctrl+Z: Cancel previous action
- Ctrl+Y: Redo the previous action
Q: Which of the following error will be handled by the operating system?
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63ecc9f8e6cd351b75fdaf4a- 1power failurefalse
- 2lack of paper in the printerfalse
- 3connection failure in the networkfalse
- 4all of the abovetrue
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Answer : 4. "all of the above"
Explanation :
All the mentioned errors are handled by OS. The OS is continuously monitoring all of its resources. Also, the OS is constantly detecting and correcting errors.
Q: The Speed of modem is measured in which unit?
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63370a2d2ff7535af687eac6- 1BPStrue
- 2GPSfalse
- 3CPSfalse
- 4None of the above.false
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Answer : 1. "BPS"
Q: Which converts high-level languages into machine language?
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5e69f01dee03046acc572678- 1Compliertrue
- 2Assemblerfalse
- 3Operating Systemfalse
- 4CPUfalse
- 5Browserfalse
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Answer : 1. "Complier "
Q: What is the full form of 'RAID'?
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5ea2611627e7e648ef84c3b6- 1Random Access of Inexpensive disksfalse
- 2Redundant Array of Inexpensive datafalse
- 3Random Array of Inexpensive datafalse
- 4Random Array of Internet datafalse
- 5Redundant Array of Inexpensive diskstrue
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