用英语介绍ram和rom的区别

_think_so 2023-03-18 09:43

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  2023-03-18 10:20

  Read-only memory or ROM is a form of data storage in

  computers and other electronic devices that can not be easily altered or

  reprogrammed. RAM is referred to as volatile memory and is lost when

  the power is turned off whereas ROM in non-volatile and the contents are

  retained even after the power is switched off.

  Random Access Memory or RAM is a form of data

  storage that can be accessed randomly at any time, in any order and from

  any physical location in contrast to other storage devices, such as

  hard drives, where the physical location of the data determines the time

  taken to retrieve it. RAM is measured in megabytes and the speed is

  measured in nanoseconds and RAM chips can read data faster than ROM.
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