Question:What are subroutines?
Answer A group of instructions that performs a limited processing test, such as printing a portion of a report, reading an input record, or calculating a square root.
subroutine can be classified into two types:
1. Internal subroutines: An internal subroutine is part of the program that uses it.
2. External subroutines: External subroutines are used for tasks that more than one program is likely to want performed.
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What are subroutines?