The two types of main memory are:
2019
The two types of main memory are:
- A.
Primary and Secondary
- B.
Random and Sequential
- C.
RAM and ROM
- D.
Hard Disk and Pen Drive
- E.
All of these
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Correct answer: C
Correct answer: RAM and ROM.
Main memory is the memory directly accessible by the CPU. Its two common types are RAM (Random Access Memory), which is volatile and used for working data, and ROM (Read Only Memory), which is non-volatile and stores firmware or permanent instructions.
Hard disks and pen drives are secondary storage, while random/sequential are access methods.