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Difference between RAM and ROM
What is the difference between ‘RAM’ and ‘ROM’?
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RAM (Random Access Memory) and ROM (Read-Only Memory) are both types of computer memory, but they have distinct characteristics and purposes.
RAM:
RAM is a type of volatile memory that is used for temporary storage of data that the computer is actively using.
It allows the computer’s processor to quickly access and write data, making it essential for the computer’s performance.
RAM is considered random access because the processor can directly access any location in RAM, regardless of the order in which the data is stored.
RAM is temporary and loses its data when the computer is powered off or restarted. It is used to store the operating system, running applications, and data that is actively being processed.
ROM:
ROM is a type of non-volatile memory that contains permanent instructions or data that cannot be easily modified or erased.
It is typically used to store firmware or software instructions that are required to boot up the computer or control hardware devices.
ROM is read-only, meaning that data stored in it cannot be directly overwritten or modified by normal computer operations.
ROM retains its data even when the computer is powered off or restarted.
Examples of ROM include the computer’s BIOS (Basic Input/Output System) chip, which contains firmware necessary for the computer to start up.
In summary, RAM is volatile memory used for temporary storage of actively used data, while ROM is non-volatile memory used for permanent storage of firmware and instructions that are essential for system boot-up and hardware control.
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