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Chapter 4 - Computer Science

Variables and Constants

Tools

A	B
variable	holds data that can change while the program is running
constant	used to store data that remains the same throughout the program's execution
data type	type of variable that best fits the nature of the data itself
string	a group of characters put together to make a word or more
Boolean variable	represents true or false
declaring	indicating what type of variable you want and what you want to call it
initialize	assign it a value
exponential notation	very large or very small numbers are represented with a fractional part
identifiers	names of variables in C++
keywords	part of the C++ language