ROM is called as Read Only Memory that is a kind of storage medium that stores data on your computer permanently. It is durable and non-volatile meaning that it retains all the data even when it is connected with any power source. The data that remains on the ROM cannot be changed and remains forever.
Hard Disk is a storage device that can save tons of data at once. It has the accessibility to store data in giga and tera bytes. It uses magnetic storage to store and retrieve data using one or more platters coated with magnetic material. Hard Disk can be both internal and external. Internal is the one that comes installed with the system whereas, external is the one that is like plug and play.
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Questions about hard disks' performance, issues, tips, and software.
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