Difference between macro and subroutine

Question

Write down the difference between macro and subroutine.

Answer 1

• Macros can only be employed in the program are stated in and only after the definition are expanded at generation or compilation.
• Subroutines (or FORM) can be called from both the program are depicted in and other programs.
• A macro is more or less the abbreviation for some lines of code which are employed more than once or twice.
• A FORM is the local subroutine (that can be called external).