Computer Knowledge Practice Question and Answer
8 Q: Vacuum Tubes were used by ___________Generation of Computers.
1817 06113d2f7f65c04691bf37a1f
6113d2f7f65c04691bf37a1f- 1Thirdfalse
- 2Fourthfalse
- 3Firsttrue
- 4Secondfalse
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Answer : 3. "First"
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: What is the shortcut key to open Task Manager in Windows?
1816 0649429dfdad6f2e01f5b6382
649429dfdad6f2e01f5b6382- 1Ctrl + Alt + Delfalse
- 2Ctrl + Shift + Esctrue
- 3Alt + F4false
- 4Ctrl + Tabfalse
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Answer : 2. "Ctrl + Shift + Esc"
Explanation :
1. The shortcut key to open Task Manager in Windows is Ctrl + Shift + Esc.
2. This shortcut key is valid for Windows 10, Windows 11, and Windows 8.1.
3. Ctrl+Shift+Esc is a useful shortcut, specially created to quickly open the Task Manager.
Q: Input is converted into output?
1815 06138934d5ee3b079c60b4786
6138934d5ee3b079c60b4786- 1memoryfalse
- 2CPUtrue
- 3input and outputfalse
- 4Peripheralsfalse
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Answer : 2. "CPU"
Q: How do you open a Search window from the Metro screen?
1815 063eccd01b0030e718d7cef96
63eccd01b0030e718d7cef96- 1Windows Key + Strue
- 2Click on the search tilefalse
- 3Type the word searchfalse
- 4Window key + Ffalse
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Answer : 1. "Windows Key + S"
Explanation :
To open a Search window from the Metro screen (also known as the Start screen) in Windows 8 and later versions, you can press the Windows Key + S keyboard shortcut. This will bring up the Search charm, allowing you to search for apps, files, settings, and other content on your computer.
Q: Full form of RAM?
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60a244a8f98a5977251486ef- 1Random Alternate Memoryfalse
- 2Rondam Access Memoryfalse
- 3Random Access Memorytrue
- 4Randamly Access Memoryfalse
- 5None of thesefalse
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Answer : 3. "Random Access Memory "
Q: Which of the following are Operators in C?
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63e62c1aef10d51b16bfe124- 1arithmetic operatorsfalse
- 2logical operatorfalse
- 3relational operatorsfalse
- 4all of the abovetrue
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Answer : 4. "all of the above"
Explanation :
Operators are symbols that we use when performing operations on one or more operands. The primary types of operators in C are arithmetic, logical, relational, conditional, bitwise, and assignment.
Q: Which of the following is not an Input device?
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5ecce72e95b3a8677b0afe8b- 1Web Camerafalse
- 2BCRfalse
- 3Digitizerfalse
- 4Processortrue
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