6. User-Defined Functions

Question 1

A(n) ____ is a named list of statements.

Answer 1

function

Question 2

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

Answer 2

definition

Question 3

A function ____ is an invocation of a function’s name, causing the function’s statements to execute.

Answer 3

call

Question 4

A(n) ____ variable is a variable declared in a function, which is then accessible only within that function

Answer 4

local

Question 5

A program’s execution begins with the ____ function.

Answer 5

Main

Question 6

A(n) ____ is a function input specified in a function definition.

Answer 6

parameter

E.g., A pizza area function might have diameter as an input.

Question 7

A(n) ____ is a value provided to a function’s parameter during a function call.

Answer 7

argument

E.g., A pizza area function might be called as PrintPizzaArea(12.0) or as PrintPizzaArea(16.0).

Question 8

A function may return one value by assigning a return ____ with the return ____.

Answer 8

variable, value

Question 9

How many return variables can a function have?

Answer 9

One

Question 10

A function call evaluates to the ____.

Answer 10

returned value

Question 11

____ development is the process of dividing a program into separate units that can be developed and tested separately and then integrated into a single program.

Answer 11

Modular

Question 12

____ development is a 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.

Answer 12

Incremental

Question 13

A ____ is a function definition whose statements have not yet been written.

Answer 13

function stub

Question 14

A general guideline (especially for beginner programmers) is that a function’s definition usually shouldn’t have more than about ____ statements, although this guideline is not a strict rule.

Answer 14

20