A simplest computer system:
The most simple computer system has the following functional units:
- Input unit.
- Processing unit.
- Output unit.
- Input unit: It takes data and instructions as the input and then converts those inputs in machine read-able from.
- Processing unit: It manipulates the data to make useful information. The basic operations of processing units are arithmetic, logical, shift, controls etc.
- Output unit: It converts the machine read-able results into human read-able from and displays the result in soft copy from or in hardcopy from.
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