what is RAM and ROM?

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RAM (Random Access Memory) and ROM (Read-Only Memory) are two distinct types of computer memory with different functions.

RAM serves as the primary memory of a computer, temporarily storing data and program instructions that the computer needs to access quickly. This includes the operating system, programs, documents, and user files. RAM is volatile, meaning that data is lost when the computer is turned off.

On the other hand, ROM is a type of non-volatile memory that permanently stores data. It is primarily used for firmware, which is the embedded software in hardware such as a computer's BIOS (Basic Input/Output System) or a peripheral device's microcontroller. ROM is read-only, meaning that the data cannot be modified once it is written.

In summary, RAM is volatile memory that enables the computer to temporarily store and access data quickly, while ROM is non-volatile memory that stores data that cannot be modified or changed.

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