Sub programs 1
- Created by: Tomiwaq
- Created on: 07-05-19 18:23
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- Sub programs
- Procedures and functions
- Procedures are sets of instructions stored under one name
- Functions are sets of instructions that return a value
- Procedures and functions are good for repeat codes
- High-level programming languages have common procedures and functions built in
- In most sub programs there are parameters and arguments
- Parameters
- Special variables used to pass values into a sub program
- Arguments
- The actual values that the parameters take
- Parameters
- Procedures
- Procedures don't have to take parameters
- Procedures are called by typing their name
- Procedures don't return a value
- Functions
- Functions take at least one parameter and they must always return a value
- Functions should be used in statements or variables
- Procedures and functions
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