The four items that clearly define what a program must do:

The programmer must find the purpose of the program, the input is information given by the user, the information is processed and the preferred output is generated.

Purpose.

Input.

Process.

Output.

Example:

Consider the example to calculate the “Gross Pay amount”.

Purpose:

The purpose of the program is to calculate the gross pay amount of the user...

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Chapter 1.6, Problem 1.17CP

Chapter 1.6, Problem 1.19CP

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Starting Out with Java: From Control Structures through Objects (6th Edition)

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Solution Summary: The author explains the four items that define what a program must do: the input is information given by the user, the information is processed and the preferred output is generated.

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