Multiple choice general knowledge science & technology

The two kinds of main memory are:

  1. Primary and secondary

  2. Random and sequential

  3. ROM and RAM

  4. All of above
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C Correct answer
Explanation

Main memory (primary memory) consists of RAM (Random Access Memory) which is volatile read-write memory, and ROM (Read-Only Memory) which is non-volatile and contains permanent instructions. Primary/secondary refers to main vs backing storage, random/sequential describes access methods, and main memory is specifically RAM and ROM.

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