In computer programming, a macro (short for "macro instruction"; from Greek μακρο- 'long, large') is a rule or pattern that specifies how a certain input
Unit (CPU) The portion of a computer system that executes the instructions of a computer program. Contents: A B C D E F G H I J K L M N O P R S T U V W
register values, values in the stack, other memory values, I/O ports (which may also be memory mapped), etc., specified and accessed using more or less complex