As we have discussed when you declare a variable you are telling the compiler and ultimately the computer what kind of data you will be storing in the variable.
computer science
Description
As we have discussed, when you declare a variable you are telling the compiler—and, ultimately, the computer—what kind of data you will be storing in the variable. Each variables requires a specific amount of space to store the related information depending on the data type. For example, the following are two variable declarations that might occur in a C++ program:
