Question 1

If the sub-expression on the left side of an && operator is True, the expression on the right side will not be checked.

Accepted Answer

A) True 
 B)False

Question 2

The ________ operator takes an operand and reverses its truth or falsehood.

Accepted Answer

A)  relational 
B)  && 
C)  || 
D)  ! 
E)  != 
A)  relational 
B)  && 
C)  || 
D)  ! 
E)  !=

Question 3

Relational operators allow you to ________ numbers.

Accepted Answer

A)  add 
B)  multiply 
C)  compare 
D)  average 
E)  verify 
A)  add 
B)  multiply 
C)  compare 
D)  average 
E)  verify

Question 4

What will the following expression evaluate to?
!( 6 > 7 || 3 == 4)

Accepted Answer

A)  0 
B)  -1 
C)  6 
D)  True 
E)  false 
A)  0 
B)  -1 
C)  6 
D)  True 
E)  false

Question 5

If s1 and s2 are string objects, s1 == s2 is True when

Accepted Answer

A)  s1 = "lion" and s2 = "lioness". 
B)  s1 = "dog" and s2 = "DOG". 
C)  s1 = "cat" and s2 = "cat ". 
D)  None of these because in each case one or more characters in the strings have different ASCII codes. 
E)  None of these because string objects cannot be compared with relational operators. 
A)  s1 = "lion" and s2 = "lioness". 
B)  s1 = "dog" and s2 = "DOG". 
C)  s1 = "cat" and s2 = "cat ". 
D)  None of these because in each case one or more characters in the strings have different ASCII codes. 
E)  None of these because string objects cannot be compared with relational operators.

Question 6

A switch statement branches to a particular block of code depending on the value of a numeric (i.e. integer or floating-point) variable or constant.

Accepted Answer

A) True 
 B)False

Question 7

The ________ statement executes one statement, or block of statements, if a condition is True and skips it, doing nothing, if the condition is false.

Accepted Answer

A)  if 
B)  if/else 
C)  if/else if 
D)  switch 
E)  if/endif 
A)  if 
B)  if/else 
C)  if/else if 
D)  switch 
E)  if/endif

Question 8

The following statements will not print anything.
x = 5;
if (x < 5)
cout << "Hello ";
cout << "world 
";

Accepted Answer

A) True 
 B)False

Question 9

An expression in a C++ if statement that evaluates to 5, -5, or for that matter anything other than 0, is considered True.

Accepted Answer

A) True 
 B)False

Question 10

Assuming moreData is a Boolean variable, the following two tests are logically equivalent.
if (moreData == True)
if (moreData)

Accepted Answer

A) True 
 B)False

Question 11

To check if a variable has a particular value, use the = relational operator, as in the statement
if (s = 3)
cout << "S has the value 3";

Accepted Answer

A) True 
 B)False

Question 12

All of the relational operators are binary.

Accepted Answer

A) True 
 B)False

Question 13

The expression x < y is called a(n) ________ expression.

Accepted Answer

A)  arithmetic 
B)  logical 
C)  relational 
D)  comparison 
E)  binary 
A)  arithmetic 
B)  logical 
C)  relational 
D)  comparison 
E)  binary

Question 14

The default section of a switch statement performs a similar task as the ________ portion of an if/else if statement.

Accepted Answer

A)  conditional test 
B)  break 
C)  trailing else 
D)  else if 
E)  body 
A)  conditional test 
B)  break 
C)  trailing else 
D)  else if 
E)  body

Question 15

The ________ statement acts like a chain of if statements. Each performs its test, one after the other, until one of them is found to be True or until the construct is exited without any test ever evaluating to True.

Accepted Answer

A)  if/then 
B)  if/else 
C)  if/else if 
D)  if/not if 
E)  if/endif 
A)  if/then 
B)  if/else 
C)  if/else if 
D)  if/not if 
E)  if/endif

Question 16

What will the following statement do if x equals 17 and answer = 20?
Answer = x > 100 ?
0 : 1;

Accepted Answer

A)  Assign 0 to answer. 
B)  Assign 0 to x. 
C)  Assign 1 to answer. 
D)  Assign 1 to x. 
E)  Assign 17 to answer. 
A)  Assign 0 to answer. 
B)  Assign 0 to x. 
C)  Assign 1 to answer. 
D)  Assign 1 to x. 
E)  Assign 17 to answer.

Question 17

Assuming goodData is a Boolean variable, the following two tests are logically equivalent.
if (goodData == false)
if (!goodData)

Accepted Answer

A) True 
 B)False

Question 18

When a program lets the user know that an invalid menu choice has been made, this is an example of

Accepted Answer

A)  input validation. 
B)  output validation. 
C)  menu reselection. 
D)  invalidation. 
E)  being user unfriendly. 
A)  input validation. 
B)  output validation. 
C)  menu reselection. 
D)  invalidation. 
E)  being user unfriendly.

Question 19

In C++ when a relational expression is false, it has the value

Accepted Answer

A)  1. 
B)  0. 
C)  -1. 
D)  "0". 
E)  of any negative number. 
A)  1. 
B)  0. 
C)  -1. 
D)  "0". 
E)  of any negative number.

Question 20

A trailing else placed at the end of an if/else if statement provides a default action when ________ of the if conditions is/are True.

Accepted Answer

A)  none 
B)  any one 
C)  only the last one 
D)  at least two 
E)  all 
A)  none 
B)  any one 
C)  only the last one 
D)  at least two 
E)  all

If the sub-expression on the left side of an && operator is True, the expression on the right side will not be checked.

The ________ operator takes an operand and reverses its truth or falsehood.

Relational operators allow you to ________ numbers.

What will the following expression evaluate to? !( 6 > 7 || 3 == 4)

If s1 and s2 are string objects, s1 == s2 is True when

A switch statement branches to a particular block of code depending on the value of a numeric (i.e. integer or floating-point) variable or constant.

The ________ statement executes one statement, or block of statements, if a condition is True and skips it, doing nothing, if the condition is false.

The following statements will not print anything. x = 5; if (x < 5) cout << "Hello "; cout << "world \n";

An expression in a C++ if statement that evaluates to 5, -5, or for that matter anything other than 0, is considered True.

Assuming moreData is a Boolean variable, the following two tests are logically equivalent. if (moreData == True) if (moreData)

To check if a variable has a particular value, use the = relational operator, as in the statement if (s = 3) cout << "S has the value 3";

All of the relational operators are binary.

The expression x < y is called a(n) ________ expression.

The default section of a switch statement performs a similar task as the ________ portion of an if/else if statement.

The ________ statement acts like a chain of if statements. Each performs its test, one after the other, until one of them is found to be True or until the construct is exited without any test ever evaluating to True.

What will the following statement do if x equals 17 and answer = 20? Answer = x > 100 ? 0 : 1;

Assuming goodData is a Boolean variable, the following two tests are logically equivalent. if (goodData == false) if (!goodData)

When a program lets the user know that an invalid menu choice has been made, this is an example of

In C++ when a relational expression is false, it has the value

A trailing else placed at the end of an if/else if statement provides a default action when ________ of the if conditions is/are True.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Advanced File and Io Operations

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Binary Trees

Filters

Exam 4: Making Decisions

If the sub-expression on the left side of an && operator is True, the expression on the right side will not be checked.

The ________ operator takes an operand and reverses its truth or falsehood.

Relational operators allow you to ________ numbers.

What will the following expression evaluate to? !( 6 > 7 || 3 == 4)

If s1 and s2 are string objects, s1 == s2 is True when

A switch statement branches to a particular block of code depending on the value of a numeric (i.e. integer or floating-point) variable or constant.

The ________ statement executes one statement, or block of statements, if a condition is True and skips it, doing nothing, if the condition is false.

The following statements will not print anything. x = 5; if (x < 5) cout << "Hello "; cout << "world \n";

An expression in a C++ if statement that evaluates to 5, -5, or for that matter anything other than 0, is considered True.

Assuming moreData is a Boolean variable, the following two tests are logically equivalent. if (moreData == True) if (moreData)

To check if a variable has a particular value, use the = relational operator, as in the statement if (s = 3) cout << "S has the value 3";

All of the relational operators are binary.

The expression x < y is called a(n) ________ expression.

The default section of a switch statement performs a similar task as the ________ portion of an if/else if statement.

The ________ statement acts like a chain of if statements. Each performs its test, one after the other, until one of them is found to be True or until the construct is exited without any test ever evaluating to True.

What will the following statement do if x equals 17 and answer = 20? Answer = x > 100 ? 0 : 1;

Assuming goodData is a Boolean variable, the following two tests are logically equivalent. if (goodData == false) if (!goodData)

When a program lets the user know that an invalid menu choice has been made, this is an example of

In C++ when a relational expression is false, it has the value

A trailing else placed at the end of an if/else if statement provides a default action when ________ of the if conditions is/are True.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Advanced File and Io Operations

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Binary Trees

Filters