Answer / sirisha

MACROS -- it is just the abbreviation of the piece of code
(Set of few lines). When the same piece of code is repeated
multiple times in a program, they can be replaced with a MACRO.
Unlike sub-routines, during run time the control will not
call the routine, instead it will just replace the MACRO
with the piece of code.
MACROS can not be debugged.

Answer / swarnali basu

1.Macros can only be used in the program the are defined in
and only after the definition.

2.Macros can take max 9 parameters.

3.Macros are expanded at compilation / generation.

Answer / naveen

macros are nothing but place holders they maintain data at
runtime like field groups.
i know this much of information.

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