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Differentiate between RAM and ROM

Q.8. Differentiate between RAM and ROM

DIFFERENCE BETWEEN RAM AND ROM

RAM (Random ACCESS Memory) ROM (Read Only Memory)
DefinitionRAM stands for Random Access Memory and Write memory. ROM stands for Read Only Memory and which permits you only to read data.
VolatilityIt is volatile (temporary) memory. It is non-volatile (permanent) memory.
Preprogrammed memoryIt is not a preprogrammed memory. It is a preprogrammed memory.
AlterationIt is erasable, alterable and programmable memory. It is not erasable, alterable and programmable memory, but can be only erased by exposing it to ultraviolet light and electrical charge.
User’s memoryIt is called user’s memory It is not a user’s memory
Types:1. Dynamic RAM (DRAM)

2. Static RAM (SRAM)

1. ROM2. EPROM (Erasable Programmable ROM)

3. EEPROM (Electrically Erasable Programmable ROM)

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