Multiple choice

Which of the following parts of the system software must reside in the main memory under all circumstances?

  1. Text editor

  2. Assembler

  3. Loader

  4. Linker
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C Correct answer
Explanation

The loader is the essential system software component responsible for loading programs into memory and initiating execution. Unlike assemblers, linkers, or text editors which are used during program development, the loader must always be present in main memory to load and execute any program, making it fundamental to system operation.

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