Question:

One of the following is not a Primary Memory :

AROM

BRAM .

CDRAM

DHard Disk

Answer:

D. Hard Disk

Explanation:

Primary Memory

  • This memory is temporary memory.
  • This memory is directly accessible by the computer’s Processor/CPU.
  • The nature of Parts of this Primary memory varies because RAM- is volatile in nature while the ROM- Non-volatile.
  • The devices of primary memory are more expensive than secondary storage devices.
  • The memory devices used for primary memory are semiconductor memories.
  • This memory is known as a device's main or internal memory.
  • Example: RAM, ROM, Cache memory, PROM, EPROM, Registers, etc. are Examples.

Secondary Memory

  • This memory is permanent memory.
  • This memory is not directly accessible by the computer’s CPU.
  • This memory is always Non-volatile in nature.
  • The devices of secondary memory devices are not more expensive as compared to primary memory devices.
  • The secondary memory devices are magnetic and optical memories.
  • This memory is known as external memory or auxiliary memory of a device.
  • Examples: Hard Disk, Floppy Disk, Magnetic Tapes, etc. are Examples.

Related Questions:

Which of one of the following is not a secondary memory?

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ഇന്ത്യ തദ്ദേശീയമായി നിർമ്മിച്ച ആദ്യ മൈക്രോ പ്രോസസ്സർ ഏതാണ് ?

The activity of creating sectors and tracks on a hard disk is called :

RAM is a _____ memory