Deck 6: Functions

Question 1

Which of the following statements is true after the execution of the following statement?
Y = abs(x)

A)y contains the absolute value of x
B)x contains the absolute value of y
C)x contains the absolute value of the value in y
D)y contains the absolute value of the value in x
E)None of the above

Answer 1

D

Question 2

Random numbers are commonly used in which type of program?

A)Games
B)Simulations
C)Statistical analysis
D)Data encryption
E)All of the above

Answer 2

E

Question 3

Examine the following piece of code and state the return value of the function.
Function Integer product (Integer num1,Integer num2)
Declare Real result
Set result = num1 + num2
Return result
End Function

A)Real
B)Integer
C)product
D)result
E)None of the above

Answer 3

D

Question 4

Which of the following is optional when writing a function definition?

A)Function header
B)Function body
C)Data type
D)Return statement
E)None of the above

Question 5

What is the data type of the value returned by the random library function?

A)String
B)Integer
C)Boolean
D)Real
E)None of the above

Question 6

What term is used in the ending terminal symbol of a function flowchart?

A)Return
B)End
C)Function End
D)Function Return
E)None of the above

Question 7

The term ________________ is used to describe any mechanism that accepts input,performs some operation that cannot be seen on the input,and produces output.

A)White box
B)Black box
C)White cube
D)Black cube
E)None of the above

Question 8

A __________ is a module that returns a value back to the part of the program that called it.

A)Function
B)For
C)Loop
D)While
E)None of the above

Question 9

Which of the following errors occur when a real value is attempted to be assigned to an integer variable?

A)Integer value
B)Type mismatch
C)Conversion
D)Assignment
E)None of the above

Question 10

Library functions are built into the programming language,and can be called any time they are needed.

Question 11

The function ______ specifies the return data type,name of the function,and the parameter variable(s).

A)Definition
B)Body
C)Header
D)statement
E)None of the above

Question 12

The variable r would contain the value ________ after the execution of the following statement.
Declare Integer i = 12
Declare Real r
Set r = toReal (i)

A)12
B)1.2
C)12.0
D)0.12
E)None of the above

Question 13

Which of the following statements is true after the execution of the following statement?
Set needANumber = random(5,10)

A)A random number is generated between 5 and 10.
B)The random number is assigned to the variable needANumber.
C)The numbers 5 and 10 are the arguments of the random number function.
D)All of the above
E)None of the above

Question 14

The function _________ comprises one or more statements that are executed when the function is called.

A)Definition
B)Header
C)Body
D)Datatype
E)None of the above

Question 15

Which function returns a string within a string?

A)Append
B)Concatenate
C)Contains
D)Substring
E)None of the above

Question 16

Examine the following piece of code and determine the data type of the function's return value.
Function Real sum (Integer num1,Integer num2)
Declare Integer result
Set result = num1 + num2
Return result
End Function

A)Real
B)Integer
C)Sum
D)result
E)None of the above

Question 17

In the IPO chart,the _______ column describes the data that is passed to the function as arguments.

A)Output
B)Function
C)Process
D)Input
E)None of the above

Question 18

The ________ function does the same thing as using the mathematical ^ operator.

A)cos
B)abs
C)sqrt
D)round
E)pow

Question 19

The parameter list that accepts arguments is optional in a function definition.

Question 20

Which function accepts two strings as arguments,returns "True" if the first string contains the second string,and otherwise returns "False"?

A)Append
B)Concatenate
C)Contains
D)Substring
E)None of the above

Question 21

A function is a group of _________ that perform a specific task.

Question 22

The process of appending one string to the end of another string is called _________________.

Question 23

When a function is called,it is ___________.

Question 24

The value that is returned from a function can be used just like any other value.

Question 25

The function body follows the function header in a function definition.

Question 26

The library functions in every programming language have the same function names and accept the same arguments,but their behaviors might differ slightly.

Question 27

Most programming languages let you assign an integer value to a real variable without causing an error.

Question 28

The ________ function accepts two strings as arguments and returns a third string that is created by appending the second string to the end of the first string.

Question 29

When a function finishes,it returns a value back to the part of the program that called it.

Question 30

The number of arguments that can be passed to a function are limited in most programming languages.

Question 31

The ________ chart is a tool that programmers use when designing functions.

Question 32

The __________ column describes the data that is returned from the function in an IPO chart.

Question 33

The toInteger function accepts a real number as its argument and preserves any fractional part in the returned number.

Question 34

The input column in the IPO chart describes the process the function performs on the input data.

Question 35

Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.

Question 36

There can be only _______ return value from a function to the called module.

Question 37

Programming languages have not yet started to support localization.

Question 38

The ______ function accepts an argument and returns the square root of the argument.

Question 39

A ___________ statement specifies the value that is returned from the function when the function ends.

Question 40

In a flowchart of a function,the starting terminal symbol states the name of the function,along with any _________ that the function has.

Question 41

The _________ function can be used to determine whether a string can be converted to an integer.

Question 42

The ___________ function accepts a string as its argument and returns the number of characters in the string.

Question 43

_______________ is the process where a program can be configured for a specific country.

Question 44

In programming,the characters in a string are each identified by its position number,and the first character is in position number ________.