What Is a Global Variable? A computer program is, essentially, a list of instructions for a computer to carry out when you run it. However, most programs are complex enough that they outgrow a ...

What does global variable actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

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When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...