Computer Questions Practice Question and Answer
4Q: Who invented the high level language C? 2201 05b5cc622e4d2b4197774b811
5b5cc622e4d2b4197774b811- 1Dennis M. Ritchietrue
- 2Donald Kunthfalse
- 3Niklaus Writhfalse
- 4Seymour Papertfalse
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Answer : 1. "Dennis M. Ritchie"
Explanation :
Answer: A) Dennis M. Ritchie Explanation: C, an early systems programming language, was developed by Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973.
Q: A computer consists of 2091 05b5cc61ee4d2b4197774b7b0
5b5cc61ee4d2b4197774b7b0- 1motherboardfalse
- 2hard disk drivefalse
- 3central processing unitfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit (CPU), main memory, and a hard disk drive. Input devices include a keyboard, mouse, microphone, video camera, and image scanner. Output devices include a monitor, speakers, and a printer.
Q: Central processing unit is combination of 3867 05b5cc61ee4d2b4197774b76f
5b5cc61ee4d2b4197774b76f- 1Arithmetic and Control unittrue
- 2Control and Output unitfalse
- 3Control and Storage unitfalse
- 4Arithmetic logic and input unitfalse
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Answer : 1. "Arithmetic and Control unit"
Explanation :
Answer: A) Arithmetic and Control unit Explanation:
Q: What cannot be performed from the windows task manager? 25462 05b5cc619e4d2b4197774b71e
5b5cc619e4d2b4197774b71e- 1Open a programfalse
- 2Check recent CPU usagefalse
- 3Delete a program from the hard drivetrue
- 4View what applications are running in the backgroundfalse
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Answer : 3. "Delete a program from the hard drive"
Explanation :
Answer: C) Delete a program from the hard drive Explanation: The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network. Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.