CHAPTER 3

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What Is a Computer Language?

What makes a computer language? Why do computers have them? Why are there so many different computer languages?

It isn’t necessary to understand the answer to these questions to do basic programming, just like understanding how an engine works isn’t necessary to drive a car. However, to progress to an advanced level it is. This chapter provides a brief explanation to help you get started.

Short History of Programming

Computers are electronic, and they are digital. To a computer everything is in terms of no voltage potential along a wire or some voltage available. No voltage means a zero to the computer, ...

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