The correct answer is (b). ROM stands for Read-Only Memory. It is a type of memory that is used to store permanent data and instructions that are needed to start up a computer. ROM is not erased when the computer is turned off.
RAM stands for Random Access Memory. It is a type of memory that is used to store data and instructions that are currently being used by the computer. RAM is erased when the computer is turned off.
CPU stands for Central Processing Unit. It is the main processor of
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