A macro is a series of written instructions or recorded keystrokes and mouse actions. With a single keystroke, play back these activities at a much faster speed than can be performed manually. Eliminate wasted time and the risk of error that typically occur when performing repetitive tasks.
- Macros are used to make a sequence of computing instructions available to the programmer as a single program statement, making the programming task less tedious and less error-prone.
Sources:
http://en.wikipedia.org/wiki/Macro_%28computer_science%29
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