Computer Knowledge Practice Question and Answer
8 Q: Which of the following are the cheapest memory devices in terms of cost/bit?
2816 05f04577d26cfc348bd6e1d78
5f04577d26cfc348bd6e1d78- 1Magnetic Tapesfalse
- 2Compact Disktrue
- 3Semiconductor Memoriesfalse
- 4Magnetic Diskfalse
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Answer : 2. "Compact Disk "
Q: ______is a layer of computer system between the hardware and the user program.
2789 05f053bf2b864a45d9075e775
5f053bf2b864a45d9075e775- 1System environmentfalse
- 2Operational environmentfalse
- 3Operating systemtrue
- 4Operating environmentfalse
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Answer : 3. "Operating system "
Q: Which short cut key inserts a new slide in current presentation?
2785 05e4e12ccdfffd759fd10d39d
5e4e12ccdfffd759fd10d39d- 1Ctrl+Nfalse
- 2Ctrl+Mtrue
- 3Ctrl+Sfalse
- 4None of thesefalse
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Answer : 2. "Ctrl+M"
Q: With which coordination does the main memory work?
2776 05ff7de86c24e1471a7f8027b
5ff7de86c24e1471a7f8027b- 1INTELfalse
- 2Special work cardfalse
- 3RAMfalse
- 4CPUtrue
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Answer : 4. "CPU"
Q: Java was originally invented by
2775 05e7d9e781425f51f3abf0df9
5e7d9e781425f51f3abf0df9- 1Microsoftfalse
- 2Adobefalse
- 3Suntrue
- 4Oraclefalse
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Answer : 3. "Sun"
Q: Which is the cloud based storage solution launched by Rajasthan government?
2767 061c471f264388627a252b838
61c471f264388627a252b838- 1Raj E-Vaulttrue
- 2E-Gyanfalse
- 3RPSCfalse
- 4Raj-e-Signfalse
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Answer : 1. "Raj E-Vault"
Q: What is the shortcut key for opening a new document or window?
2765 065253f105db74b27f7ce4470
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: The clipboard 2763 15b5cc672e4d2b4197774c0aa
5b5cc672e4d2b4197774c0aa- 1is a Cache memoryfalse
- 2is a feature that stores user informationfalse
- 3is used to temporarily store, items that has been cut or copiedtrue
- 4is a feature that saves file temporarilyfalse
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Answer : 3. "is used to temporarily store, items that has been cut or copied"
Explanation :
Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another. For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.