Operating System (OS)
Sleep is a good mode to use because

It makes computer fresh after it wakes up
It saves power which in true is saving money
It consumes low battery when you start it again
All of the listed here

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Operating System (OS)
Daisy chain is a device for

interconnecting a number of devices to a number of controllers
All of these
connecting a number of devices to a controller
None of these
connecting a number of controllers to a device

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Operating System (OS)
Which, of the following, is true for testing and debugging?

Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program
Testing and debugging indicate the same thing
Testing detects the syntax errors in the program while debugging corrects those errors in the program
None of these
All of these

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