Programming Ch. 6

The variable r would contain the value ________ after the execution of the following statement. Declare Integer j = 12 Declare Real r Set r = toReal (1) 12 1.2 12.0 0.12

12.0

Random numbers are commonly used in which type of program? Games Simulations Statistical analysis Data encryption All of these

All of these

Which of the following statements is true after the execution of the following statement? Set needANumber = random(5, 10) A random number is generated between 5 and 10 The random number is assigned to the variable needANumber The numbers 5 and 10 are the arguments of the random number function All of these None of these

All of these

The term ________ is used to describe any mechanism that accepts input, performs some operation that cannot be seen on the input, and produces output. While box Black box White cube Black cube None of these

Black box

The function ________ comprises one or more statements that are executed when the function is called. Definition Header Body Datatype None of these

Body

Which function accepts two strings as arguments, returns "True" if the first string contains the second string, and otherwise returns "False"? Append Concatenate Contains Substring None of these

Contains

Programming languages have not yet started to support localization. True or False

False

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

False

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

False

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

False

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

False

A ________ is a module that returns a value back to the part of the program that called it. Function For Loop While None of these

Function

The function ________ specifies the return data type, name of the function, and the parameter variable(s). Definition Body Header Statement None of these

Header

In the IPO chart, the ________ column describes the data that is passed to the function as arguments. Output Function Process Input None of these

Input

What is the data type of the value returned by the random library function? String Integer Boolean Real None of these

Integer

Which of the following is optional when writing a function definition? Function header Function body Data type Return statement None of these

None of these

Examine the following piece of code and determine the data type of the function's return value. Function Real sum (integer num1, integer num 2) Declare Integer result Set result = num1 + num2 Return result End Function Real Integer Sum result None of these

Real

What term is used in the ending terminal symbol of a function flowchart? Return End Function End Function Return None of these

Return

Which function returns a string within a string? Append Concatenate Contains Substring None of these

Substring

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

True

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

True

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

True

The function body follows the function header in a function definition. True or False

True

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

True

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

True

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

True

Which of the following errors occur when a real value is attempted to be assigned to an integer variable? Integer value Type mismatch Conversion Assignment None of these

Type mismatch

Which of the following statements is true after the execution of the following statement? y = abs(x) y contains the absolute value of x x contains the absolute value of y x contains the absolute value of the value in y y contains the absolute value of the value in x None of these

Y contains the absolute value of the value in x

The ________ function does the same thing as using the mathematical ∧ operator. cos pow round abs sqrt

pow

Examine the following piece of code and state the return value of the function. Function Integer product (integer num1, integer num 2) Declare Real result Set result = num1 + num2 Return result End Function Real Integer product result None of these

result