Q. Which one of the following is a secondary storage device:
Solution:
RAM: Random access memory, RAM is considered volatile memory, which means that the stored information is lost when there is no power.
ROM: Read-only memory is a type of non-volatile memory used in computers and other electronic devices.
Hard disk: A hard disk drive (HDD), hard disk, hard drive or fixed disk is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
USB: Universal Serial Bus
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