Chapter 4. Variables, Data Types, and Arithmetic Expressions
IN THIS CHAPTER, YOU LEARN MORE about variable names and constants. You also take a detailed look at the basic data types and some fundamental rules for writing arithmetic expressions in C.
Working with Variables
Early computer programmers had the onerous task of having to write their programs in the binary language of the machine they were programming. This meant that computer instructions had to be hand-coded into binary numbers by the programmer before they could be entered into the machine. Furthermore, the programmer had to explicitly assign and reference any storage locations inside the computer’s memory by a specific number or memory address.
Today’s programming languages allow you ...
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