Question 1

In C#, you use the if statement to write a single-alternative decision structure.

Accepted Answer

A) True 
 B)False  True

Question 2

If the expression on the left side of the || operator is true, the expression on the right side is not checked.

Accepted Answer

A) True 
 B)False  True

Question 3

The ____________ operator is the logical NOT operator, which is a unary operator that takes a Boolean expression as its operand and reverses its logical value.

Accepted Answer

A)   
B)  ! 
C)  && 
D)  || 
A)   
B)  ! 
C)  && 
D)  || B

Question 4

____________ are useful when you want the user to select one choice from several possible choices.

Accepted Answer

A)  Radio buttons 
B)  Check boxes 
C)  Buttons 
D)  Text boxes 
A)  Radio buttons 
B)  Check boxes 
C)  Buttons 
D)  Text boxes

Question 5

The sequence structure is heavily used in programming because it can handle every type of task.

Accepted Answer

A) True 
 B)False

Question 6

A ____________ is an expression that can be evaluated as either.

Accepted Answer

A)  binary expression 
B)  double expression 
C)  Boolean expression 
D)  classical expression 
A)  binary expression 
B)  double expression 
C)  Boolean expression 
D)  classical expression

Question 7

A(n) ____________ is a variable that is passed as an argument to a method, and when the method is finished, a value is stored in the variable.

Accepted Answer

A)  output variable 
B)  result variable 
C)  parameter variable 
D)  method variable 
A)  output variable 
B)  result variable 
C)  parameter variable 
D)  method variable

Question 8

When the user selects an item in a ListBox, the item's index is stored in the Listbox's ____________ property.

Accepted Answer

A)  DataValue 
B)  SelectedIndex 
C)  Index 
D)  ValueIndex 
A)  DataValue 
B)  SelectedIndex 
C)  Index 
D)  ValueIndex

Question 9

The ____________ operator is the logical AND operator, which takes two Boolean expressions as operands and creates a compound Boolean expression that is true only when both subexpressions are true.

Accepted Answer

A)  ! 
B)   
C)  && 
D)  || 
A)  ! 
B)   
C)  && 
D)  ||

Question 10

A(n) ____________ can execute a set of statements only under certain circumstances.

Accepted Answer

A)  sequence structure 
B)  decision structure 
C)  circumstantial structure 
D)  event structure 
A)  sequence structure 
B)  decision structure 
C)  circumstantial structure 
D)  event structure

Question 11

To create a CheckChanged event handle for a RadioButton or a CHeckBox, simply double-click the control in the Designer.

Accepted Answer

A) True 
 B)False

Question 12

If no item is selected in the ListBox, the SelectedIndex property is set to what value?

Accepted Answer

A)  false 
B)  true 
C)  0 
D)  -1 
A)  false 
B)  true 
C)  0 
D)  -1

Question 13

Which one of the following expressions determines whether the value of the length variable is greater than or equal to the value of the width variable?

Accepted Answer

A)  length  width 
D)  length >= width 
A)  length  width 
D)  length >= width

Question 14

You should use try-catch statements primarily for those exceptions that are beyond your control.

Accepted Answer

A) True 
 B)False

Question 15

All it takes for an && expression to be true is for one side of the && operator to be true.

Accepted Answer

A) True 
 B)False

Question 16

When you want to create a group of radio buttons on a form, you use the ____________, which is found in the Common Controls section of the Toolbox.

Accepted Answer

A)  RadioButton control 
B)  ListBox control 
C)  ListView control 
D)  ComboBox control 
A)  RadioButton control 
B)  ListBox control 
C)  ListView control 
D)  ComboBox control

Question 17

Both the && and || operators perform ____________, in which CPU time is saved by not checking the expression on the right side of the operator depending on the value of the expression on the left side of the operator.

Accepted Answer

A)  logical optimization 
B)  short-circuit evaluation 
C)  cycle-branching 
D)  single-stage execution 
A)  logical optimization 
B)  short-circuit evaluation 
C)  cycle-branching 
D)  single-stage execution

Question 18

A long series of nested if-else statements is usually easier to follow than the logic of an if-else-if statement.

Accepted Answer

A) True 
 B)False

Question 19

The ____________ method can be used to convert a string to an int.

Accepted Answer

A)  Try.Parse.int 
B)  int.Parse 
C)  int.TryParse 
D)  TryParse.int 
A)  Try.Parse.int 
B)  int.Parse 
C)  int.TryParse 
D)  TryParse.int

Question 20

Once you create a ListBox control, you add items you wish to display to its ____________.

Accepted Answer

A)  Display property 
B)  Text property 
C)  Items property 
D)  Values property 
A)  Display property 
B)  Text property 
C)  Items property 
D)  Values property

In C#, you use the if statement to write a single-alternative decision structure.

If the expression on the left side of the || operator is true, the expression on the right side is not checked.

The ____________ operator is the logical NOT operator, which is a unary operator that takes a Boolean expression as its operand and reverses its logical value.

____________ are useful when you want the user to select one choice from several possible choices.

The sequence structure is heavily used in programming because it can handle every type of task.

A ____________ is an expression that can be evaluated as either.

A(n) ____________ is a variable that is passed as an argument to a method, and when the method is finished, a value is stored in the variable.

When the user selects an item in a ListBox, the item's index is stored in the Listbox's ____________ property.

The ____________ operator is the logical AND operator, which takes two Boolean expressions as operands and creates a compound Boolean expression that is true only when both subexpressions are true.

A(n) ____________ can execute a set of statements only under certain circumstances.

To create a CheckChanged event handle for a RadioButton or a CHeckBox, simply double-click the control in the Designer.

If no item is selected in the ListBox, the SelectedIndex property is set to what value?

Which one of the following expressions determines whether the value of the length variable is greater than or equal to the value of the width variable?

You should use try-catch statements primarily for those exceptions that are beyond your control.

All it takes for an && expression to be true is for one side of the && operator to be true.

When you want to create a group of radio buttons on a form, you use the ____________, which is found in the Common Controls section of the Toolbox.

Both the && and || operators perform ____________, in which CPU time is saved by not checking the expression on the right side of the operator depending on the value of the expression on the left side of the operator.

A long series of nested if-else statements is usually easier to follow than the logic of an if-else-if statement.

The ____________ method can be used to convert a string to an int.

Once you create a ListBox control, you add items you wish to display to its ____________.

Introduction to Computers and Programming

Introduction to Visual C

Processing Data

Loops, Files, and Random Numbers

Modularizing Your Code With Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters

Exam 4: Making Decisions

In C#, you use the if statement to write a single-alternative decision structure.

If the expression on the left side of the || operator is true, the expression on the right side is not checked.

The ____________ operator is the logical NOT operator, which is a unary operator that takes a Boolean expression as its operand and reverses its logical value.

____________ are useful when you want the user to select one choice from several possible choices.

The sequence structure is heavily used in programming because it can handle every type of task.

A ____________ is an expression that can be evaluated as either.

A(n) ____________ is a variable that is passed as an argument to a method, and when the method is finished, a value is stored in the variable.

When the user selects an item in a ListBox, the item's index is stored in the Listbox's ____________ property.

The ____________ operator is the logical AND operator, which takes two Boolean expressions as operands and creates a compound Boolean expression that is true only when both subexpressions are true.

A(n) ____________ can execute a set of statements only under certain circumstances.

To create a CheckChanged event handle for a RadioButton or a CHeckBox, simply double-click the control in the Designer.

If no item is selected in the ListBox, the SelectedIndex property is set to what value?

Which one of the following expressions determines whether the value of the length variable is greater than or equal to the value of the width variable?

You should use try-catch statements primarily for those exceptions that are beyond your control.

All it takes for an && expression to be true is for one side of the && operator to be true.

When you want to create a group of radio buttons on a form, you use the ____________, which is found in the Common Controls section of the Toolbox.

Both the && and || operators perform ____________, in which CPU time is saved by not checking the expression on the right side of the operator depending on the value of the expression on the left side of the operator.

A long series of nested if-else statements is usually easier to follow than the logic of an if-else-if statement.

The ____________ method can be used to convert a string to an int.

Once you create a ListBox control, you add items you wish to display to its ____________.

Introduction to Computers and Programming

Introduction to Visual C

Processing Data

Loops, Files, and Random Numbers

Modularizing Your Code With Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters