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1. Transmit the intermediate results & final results to the users.
2. Convey messages, e.g. error messages, to the operators.
3. Provide immediate response to queries/ questions.
4. They are used when writing onto the secondary storage media.
5. Accept the results produced by the computer (which are in coded form & hence cannot be easily understood) & convert these coded results to human readable form.
Kavungya answered the question on April 2, 2019 at 06:55
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