Computer Knowledge Practice Question and Answer
8 Q: What is the shortcut key to open Task Manager in Windows?
1704 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?
1700 06138934d5ee3b079c60b4786
6138934d5ee3b079c60b4786- 1memoryfalse
- 2CPUtrue
- 3input and outputfalse
- 4Peripheralsfalse
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Answer : 2. "CPU"
Q: Which of the following error will be handled by the operating system?
1698 063ecc9f8e6cd351b75fdaf4a
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: What is a bug in computer terminology?
1694 05f48d65d036b8a325d1dfa04
5f48d65d036b8a325d1dfa04- 1A virusfalse
- 2A programfalse
- 3An error in programtrue
- 4None of thesefalse
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Answer : 3. "An error in program"
Q: The instruction about booting your system is stored in:
1693 063bfece3b90600403be5c142
63bfece3b90600403be5c142- 1RAMfalse
- 2CPUfalse
- 3BIOStrue
- 4Registerfalse
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Answer : 3. "BIOS"
Explanation :
The instructions about booting your system are stored in the Basic Input/Output System (BIOS) or its modern equivalent, Unified Extensible Firmware Interface (UEFI). BIOS/UEFI is firmware that is built into the computer's motherboard and contains low-level software that initializes and initializes hardware components, including the system boot process. It provides the necessary instructions for the computer to boot up and load the operating system from the storage device.
Q: Which is not the extension of picture file on computer
1692 06177ecab9909565b235446f3
6177ecab9909565b235446f3- 1.jpegfalse
- 2.pngfalse
- 3.giffalse
- 4.mdptrue
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Answer : 4. ".mdp "
Q: Which is not a type of secondary memory?
1691 063d0ca78e144980db72757cc
63d0ca78e144980db72757cc- 1Solid State Drivefalse
- 2Hard Diskfalse
- 3Random Access Memorytrue
- 4USB Pen Drivefalse
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Answer : 3. "Random Access Memory"
Explanation :
Type of secondary memory.
Solid State Drive
Hard Disk
USB Pen Drive
Q: The Speed of modem is measured in which unit?
1690 063370a2d2ff7535af687eac6
63370a2d2ff7535af687eac6- 1BPStrue
- 2GPSfalse
- 3CPSfalse
- 4None of the above.false
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