Data Structures and Data Types

Question 1

variable definition + possible scope

Answer 1

value in a program that can change
scope = global or local

Question 2

constant defintion

Answer 2

value that remains the same throughout the program

Question 3

lifetime of global varibale

Answer 3

begins and ceases to exist when program starts and ends

Question 4

lifetime of a local variable

Answer 4

begins to exist when it is defined in a subroutine, ceases to exist when subroutine ends