what is the difference between RAM and ROM
Answers
Answer:
There is one major difference between a read-only memory (ROM) and a random-access memory (RAM) chip: ROM can hold data without power and RAM cannot. Essentially, ROM is meant for permanent storage, and RAM is for temporary storage.
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Answer:
Difference RAM ROM
Data retention....
*RAM is a volatile memory which could store the data as long as the power is supplied.
*ROM ....is a non-volatile memory which could retain the data even when power is turned off.
Working type ....
*Data stored in RAM can be retrieved and altered.
*Data stored in ROM can only be read.
Use ....
*Used to store the data that has to be currently processed by CPU temporarily.
*It stores the instructions required during bootstrap of the computer.
Speed....
* RAM is a high-speed memory.
*ROM is much slower than the RAM.
CPU Interaction ....
*RAM...The CPU can access the data stored on it.
*ROM..The CPU can not access the data stored on it unless the data is stored in RAM.
Size and Capacity....
*RAM Large size with higher capacity.
*ROM Small size with less capacity.
Used as/in....
*RAM CPU Cache, Primary memory.
*ROMFirmware, Micro-controllers
Accessibility...
*RAM The data stored is easily accessible
*ROMThe data stored is not as easily accessible as in RAM
Cost....
*RAMCostlier
*ROM cheaper than RAM.
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