Steps in Program Implementation

Instructor: David Gloag

David has over 40 years of industry experience in software development and information technology and a bachelor of computer science

In this lesson, we will give the definition of a program and the process we go through to implement one. At the end, you should have a good understanding of this important activity.

Definition for Use

Computers are everywhere, although we don't always notice them. This is particularly true in our technology based society. They're in the vehicles we drive to work, the appliances we use in our homes, and our cell phones we carry around in our pockets. We seem to be surrounded by computers. So, it won't come as a surprise that there is a need to specify how they work in each of these situations. But if that's the case, how do we define what needs to be done? And how do we ensure that the definition matches the intended use? In order to do this, we need a program.

What is a Program?

A program is a sequence of machine language statements that instruct a computer to execute some predefined task. Sometimes, a program is small, consisting of only a few statements. Other programs are vast, requiring tens of thousands of statements. Regardless of the size, programs are essential to the operation of a computer. Or, more to the point, computers cannot function without them. For example, development teams at Adobe created Lightroom, a program designed to help photographers process their digital images. And there are literally thousands of programs out there. Teams at Microsoft, Google, Apple, and even Amazon create programs for a variety of uses.

Steps in Program Implementation

Implementing a program requires the developer to go through a series steps from its inception to the point where it can run on a computer. These steps include:

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