Computational Constructs

Question 1

Parameter passing?

Answer 1

used to pass date from one subprogram to another; can either be passed by value (data will not change) or by reference (changes to the data will be made)

Question 2

Variable scope?

Answer 2

where a variable can be used in a program; local ( only inside the subprogram in which the variable has been created) or global (can be used in any subprogram)

Question 3

Subprograms?

Answer 3

named blocks of code which can be run from within another part of the program; often used to break a large program into smaller steps.

Question 4

Functions?

Answer 4

a type of subprogram used to return a single value eg round, random

Question 5

Procedures?

Answer 5

a type of subprogram that will follow a set of given instructions

Question 6

Methods?

Answer 6

a function in an object orientated language that is defined inside a class