Chapter 5, Part 1

Question 1

Function

Answer 1

Group of statements within a program that perform a specific task.

Question 2

Modularized program

Answer 2

Program wherein each task within the program is in its own function

Question 3

Void function

Answer 3

Executes the statements it contains and then terminates

Question 4

Value-returning function

Answer 4

Executes the statement it contains and then returns a value back to the statement that called it. The input(), float() and int() functions are examples of vale-returning functions.

Question 5

Function definition

Answer 5

Specifies what the function does

def function_name() :
statement
statement

Question 6

Function header

Answer 6

The first line of the function. Includes def and function_name, followed by parentheses and colon

Question 7

Block

Answer 7

Set of statements that belong together as a group

Question 8

Main function

Answer 8

Function called when the program starts

Question 9

Top-down design

Answer 9

Technique for breaking down algorithms into functions.

Question 10

Hierarchy chart

Answer 10

Depicts relationships between functions.

Question 11

Local variable

Answer 11

Variable that is assigned a value inside a function.

Question 12

Scope

Answer 12

The part of a program in which the variable may be accessed.

Question 13

Argument

Answer 13

Piece of data that is sent into a function

Question 14

Parameter variable

Answer 14

Variable that is assigned the value of the argument when the function is called. Or, a parameter is a variable that receives an argument that is passed into a function.

Question 15

Scope of parameter

Answer 15

The function in which the parameter is used.

Question 16

Global variable

Answer 16

Created by assignment statement written outside all of the functions.

Question 17

Global constant

Answer 17

Global name that references a value that cannot be changed.

Question 18

Lifetime

Answer 18

For how long the variable is “alive”. For a local variable, that is for one execution of the function. For a global variable, that is for as long as the program is running.