
208 Fundamentals of Computer Programming and IT
7.1.1 Planning the Computer Program
As discussed earlier, a program consists of a series of instructions that a computer processes to perform the
required operation ( Fig. 7.1 ). In addition, it also contains some fixed data, required to perform the instruc-
tions, and the process of defining those instructions and data. Thus, in order to design a program, a program-
mer must determine three basic rudiments:
A, B
Input Processing Output
C = A + B
C
Figure 7.1 Program Performing a Task
1. The instructions to be performed.
2. The order in which those instructions are to be
performed. ...