Multiple choice technology operating systems

which Command is used to Display amount of installed and available memory, including extended, expanded, and upper memory.

  1. RMDIR

  2. DEL

  3. MEM

  4. DELOLDOS
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C Correct answer
Explanation

The MEM command displays detailed memory usage information, including conventional, upper, extended (XMS), and expanded (EMS) memory. It shows total installed memory, free memory, and which programs are using specific memory areas.

AI explanation

In DOS, the MEM command reports the system's memory layout and usage, including conventional, extended, expanded (EMS), and upper memory areas. RMDIR removes directories, DEL deletes files, and DELOLDOS removes a saved copy of a previous OS installation — none of these relate to memory reporting.

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