COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER SYSTEM COMPONENTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data isn’t lost once power is switched off.
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Once power is switched off, all data on it is lost.
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Either A or B
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None of the above
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Detailed explanation-1: -Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retain stored information even after power is removed. In contrast, volatile memory needs constant power in order to retain data.
Detailed explanation-2: -Non-volatile memory is a category of memory that retains its data even when the system is turned off or the power is off. It is sometimes referred to as static or permanent memory. For example, hard disk.
Detailed explanation-3: -Volatile memory, in contrast to non-volatile memory, is computer memory that requires power to maintain the stored information; it retains its contents while powered on but when the power is interrupted, the stored data is quickly lost.
Detailed explanation-4: -ROM stands for READ ONLY MEMORY and is non-volatile memory. When the computer is shut down the data remains stored. If a computer doesn’t have enough RAM is can use a portion of its HARD DRIVE as memory, this is known as VIRTUAL memory.