COMPUTER FUNDAMENTALS

COMPUTER HISTORY AND EVOLUTION

EVOLUTION OF COMPUTER SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which form of computer memory houses data that does not need to be altered?
A
Random Access Memory
B
Secondary Memory
C
Read-Only Memory
D
External Hard Drive
Explanation: 

Detailed explanation-1: -It is easy to test. ROM is more reliable than RAM since it is non-volatile in nature and cannot be altered or accidentally changed. The contents of the ROM can always be known and verified.

Detailed explanation-2: -Read-only memory, or ROM, is a form of data storage in computers and other electronic devices that can not be easily altered or reprogrammed. RAM is referred to as volatile memory and is lost when the power is turned off whereas ROM in non-volatile and the contents are retained even after the power is switched off.

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