Chapter 5 Multiple choice questions Flashcards
A group of statements that exist within a program for the purpose of performing a specific task is a(n) ______.
a) block
b) parameter
c) function
d) expression
A function.
A design technique that helps to reduce the duplication of code within a program and is a benefit of using functions is ______.
a) code reuse
b) divide and conquer
c) debugging
d) facilitation of teamwork
Code reuse.
The first line of a function definition is known as the ______.
a) body
b) introduction
c) initialization
d) header
The first line of a function definition is known as the header.
You ______ a function to execute it.
a) define
b) call
c) import
d) export
You call a function to execute it.
A design technique that programmers use to break down an algorithm into functions is known as ______.
a) top-down design
b) code simplification
c) code refactoring
d) hierarchical subtasking
Top-down design.
A ______ is a diagram that gives a visual representation of the relationships between functions in a program.
a) flowchart
b) function relationship chart
c) symbol chart
d) hierarchy chart
A hierarchy chart.
A ______ variable that is created inside a function.
a) global variable
b) local variable
c) hidden variable
d) none of the above; you cannot create a variable inside a function
A local variable.
A(n) ______ is the part of a program in which a variable may be accessed.
a) declaration space
b) area of visibility
c) scope
d) mode
A variable’s scope.
A(n) ______ is a piece of data that is sent into a function.
a) argument
b) parameter
c) header
d) packet
An argument.
A(n) ______ is a special variable that receives a piece of data when a function is called.
a) argument
b) parameter
c) header
d) packet
A parameter.
A variable that is visible to every function in a program file is a ______.
a) local variable
b) universal variable
c) program-wide variable
d) global variable
A global variable.
When possible, you should avoid using ______ variables in a program.
a) local
b) global
c) reference
d) parameter
global variables.
This is a prewritten function that is built into a programming language.
a) standard function
b) library function
c) custom function
d) cafeteria function
A library function.
This standard library function returns a random integer within a specified range of values.
a) random
b) randint
c) random_integer
d) uniform
randint
This statement causes a function to end and sends a value back to the part of the program that called the function.
a) end
b) send
c) exit
d) return
The return statement.
This type of function returns either True or False.
a) Binary
b) true_false
c) Boolean
d) logical
A Boolean function.
This is a math module function.
a) derivative
b) factor
c) sqrt
d) differentiate
sqrt
square root
