COMPUTER SCIENCE AND ENGINEERING
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Turning on computer that has been powered off
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Restarting computer that is powered on
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Either A or B
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None of the above
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Detailed explanation-1: -Starting the computer when its power is turned off. To perform a cold boot if the computer is running, select Shut Down. Once the machine is off, turning it back on performs the cold boot. If the computer locks up, a cold boot is necessary because a restart ("warm boot") may not be sufficient.
Detailed explanation-2: -A hard disk, CD-ROM, or floppy disk that contains part or all of the operating system or other control program is called a system disc. It is used to perform cold boot or hard boot.
Detailed explanation-3: -The correct option is A warm booting. Warm boot refers to restarting a computer that is already turned on via the operating system. Restarting it returns the computer to its initial state. A warm boot is sometimes necessary when a program encounters an error from which it cannot recover.
Detailed explanation-4: -A Power-On Self-Test (POST) is an operation initiated by a computer after it has been turned on but before it boots up the OS.