Declaration - A statement of a varible name,data type and initial value, Input - Data put into a program, Output - Data produced from the program, Assignment - Setting variable to a value, Variables - A value represented by a name , Local Variable - Used in one sub-routine only, Global Variable - Used anywhere in the program, Constants - Like a variable but is not changed (always stays the same), Sub-routines - Allows the program to be broken into chunks ,

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