The main memory (RAM) of a computer must be large enough to hold the active parts of various components, including:
- The operating system: The OS runs in the main memory to manage system resources and execute tasks.
- The applications: Active applications use the main memory to store their data and instructions while running.
- Input/output storage & working storage: I/O buffers and temporary working data are also stored in RAM during processing.
All these components must fit into the main memory to ensure smooth operation of the computer.
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