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Question

A class of random access memory that requires periodic servicing in order for the contents to remain valid is?

A
Static RAM
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B
Dynamic RAM
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C
PROM
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D
EPROM
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E
None of the above
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Solution

The correct option is B Dynamic RAM

A class of random access memory that requires periodic servicing in order for the contents to remain valid is Dynamic RAM

Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data in a separate tiny capacitor within an integrated circuit. The capacitor can either be charged or discharged; these two states are taken to represent the two values of a bit, conventionally called 0 and 1.

A type of physical memory used in most personal computers. The term dynamic indicates that the memory must be constantly refreshed (reenergized) or it will lose its contents. RAM (random-access memory) is sometimes referred to as DRAM (pronounced dee-ram) to distinguish it from static RAM (SRAM).


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