CSC 121 Theory Question: Data Processing Stages – Proper Techniques for Processing Data in Different Areas – Basic Methods of Multiplexing

100 Level Computer Science exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.

Questions:

(a) What are the data processing stages?
(b) Recommend proper techniques to be used in processing data in the following areas:
(i) Water Bills
(ii) Lawman Bills
(iii) Hotel Reservation
(iv) Air Reservation
(v) Cyber café

(c) Highlight three basic methods of multiplexing.
(d) Write three security measures needed in a data processing environment.
(e) Identify three common symbols in a flowchart.

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