2.4.5 Declare and call functions and procedures

Question 1

Define:

Function

Answer 1

Code written to perform a specific task and can be used more than once

Question 2

Define:

Built-in Functions

Answer 2

Functions included in the programming language

Question 3

Define:

User-defined functions (UDFs)

Answer 3

Functions that can be created by software developers

Question 4

Define:

Anonymous Function

Answer 4

Also known as lambda functions, functions not declared with the standard keyword (‘def’ in Python)

Question 5

Define:

Method

Answer 5

A function that is part of a class and is accessed using an instance or object of a class

Question 6

Define:

Arguments

Answer 6

Value that is sent to a function

Question 7

Define:

Parameter

Answer 7

Variable that is listed inside the parentheses of a function

Question 8

State:

2 requirements of a procedure

Answer 8

• Name
• Programming code to perform required task (code block)

Question 9

State:

Difference between Procedure & Function

Answer 9

Function: Returns a value and control, compiled before and re-compiled if needed - with different parameter values
Procedure: Returns the control but no value, only compiled once - no values will change, a paramater value once accepted once cannot change