6. User Defined Functions

Question 1

Function

Answer 1

a named list of statements.

Question 2

Function Definition

Answer 2

Consists of the new function’s name and a block of statements. The function’s name can be any valid identifier.

Question 3

Function Call

Answer 3

An invocation of a function’s name, causing the function’s statements to execute.

Question 4

Local Variable

Answer 4

A variable declared in a function, which is then accessible only within that function.

Question 5

Parameter

Answer 5

A function input specified in a function definition. Ex: A pizza area function might have diameter as an input.

Question 6

Argument

Answer 6

A value provided to a function’s parameter during a function call. Ex: A pizza area function might be called as PrintPizzaArea(12.0) or as PrintPizzaArea(16.0).

Question 7

Return Variable

Answer 7

A function may return one value by assigning a return variable with the return value

Question 8

Return Value

Question 9

Modular Development

Answer 9

the process of dividing a program into separate modules that can be developed and tested separately and then integrated into a single program.

Question 10

Incremental development

Answer 10

Process in which a programmer writes and tests a few statements, then writes and tests a small amount more (an incremental amount), and so on.

Question 11

Function Stub

Answer 11

function definition whose statements have not yet been written.