Question 1

What are the differences between the prefix increment operator and postfix increment operator?

Accepted Answer

When you only want to increase a variable's value by 1, there is no apparent difference between using the prefix and postfix increment operators. However, these operators function differently. When you use the prefix ++, the result is calculated and stored, and then the variable is used. In contrast, when you use the postfix ++, the variable is used, and then the result is calculated and stored.

Question 2

In the C# statement moneyString = someMoney.ToString("F3") , the expression F3 is an example of a(n) ____.

Accepted Answer

A)  literal constant 
B)  standard numeric format string 
C)  named constant 
D)  intrinsic type 
A)  literal constant 
B)  standard numeric format string 
C)  named constant 
D)  intrinsic type B

Question 3

The keyword ____ is used to declare a named constant.

Accepted Answer

A)  final 
B)  static 
C)  const 
D)  fix 
A)  final 
B)  static 
C)  const 
D)  fix C

Question 4

In arithmetic operations with operands of dissimilar types, a(n) ____ is the automatic conversion of nonconforming operands to a unifying type.

Accepted Answer

A)  implicit cast 
B)  explicit cast 
C)  manual cast 
D)  level cast 
A)  implicit cast 
B)  explicit cast 
C)  manual cast 
D)  level cast

Question 5

As an alternative to the Convert class methods, you can use a(n) ____  method to convert a string to a number.

Accepted Answer

A)  Cast() 
B)  Parse() 
C)  Assign() 
D)  Write() 
A)  Cast() 
B)  Parse() 
C)  Assign() 
D)  Write()

Question 6

You can use the ____ method to accept user input from the keyboard.

Accepted Answer

A)  Next() 
B)  NextLine() 
C)  ReadLine() 
D)  Input() 
A)  Next() 
B)  NextLine() 
C)  ReadLine() 
D)  Input()

Question 7

A prefix or postfix ____ operator reduces a variable's value by 1.

Accepted Answer

A)  increment 
B)  sub and assign 
C)  add and assign 
D)  decrement 
A)  increment 
B)  sub and assign 
C)  add and assign 
D)  decrement

Question 8

How is a named constant different from a variable? How would you create a named constant (and show an example)?

Accepted Answer

By definition, a variable's value can va

Question 9

+= is the C# ____ operator; it adds the operand on the right to the operand on the left and assigns it to the operand on the left in one step.

Accepted Answer

A)  prefix increment 
B)  postfix increment 
C)  add and assign 
D)  increment and assign 
A)  prefix increment 
B)  postfix increment 
C)  add and assign 
D)  increment and assign

Question 10

What is a variable declaration, what is its purpose, and what does the declaration include?

Accepted Answer

A variable declaration is the statement

Question 11

someValue++ is an example of the use of the prefix increment operator.

Accepted Answer

A) True 
 B)False

Question 12

A program that accepts console input from the user is a(n) ____ program.

Accepted Answer

A)  interactive 
B)  static 
C)  constant 
D)  better 
A)  interactive 
B)  static 
C)  constant 
D)  better

Question 13

A(n) ____ arithmetic operator has one argument to the left and another argument to the right of the operator.

Accepted Answer

A)  binary 
B)  complex 
C)  composite 
D)  unary 
A)  binary 
B)  complex 
C)  composite 
D)  unary

Question 14

The equal sign ( = ) is the C# assignment operator.

Accepted Answer

A) True 
 B)False

Question 15

Explain why implicit numeric conversions are necessary and how C# chooses operands to convert.

Accepted Answer

When you perform arithmetic with variabl

Question 16

The number of significant digits in a floating point number specifies the mathematical accuracy of the value. A(n) ____________________ data type can hold up to 16 significant digits of accuracy.

Accepted Answer

The answer of The number of significant digits in a...

Question 17

You declare a Boolean variable by using type ____.

Accepted Answer

A)  char 
B)  bool 
C)  int 
D)  boolean 
A)  char 
B)  bool 
C)  int 
D)  boolean

Question 18

A ____ is a string of characters that optionally contains fixed text and contains one or more format items or placeholders for variable values.

Accepted Answer

A)  namespace 
B)  placeholder 
C)  format string 
D)  whitespace 
A)  namespace 
B)  placeholder 
C)  format string 
D)  whitespace

Question 19

How can you compare strings using the Compare() method?

Accepted Answer

The Compare( method requires two string

Question 20

The ____ method from the Convert class converts a specified value to an 8-bit unsigned integer.

Accepted Answer

A)  ToDecimal() 
B)  ToSingle() 
C)  ToInt16() 
D)  ToByte() 
A)  ToDecimal() 
B)  ToSingle() 
C)  ToInt16() 
D)  ToByte()

What are the differences between the prefix increment operator and postfix increment operator?

In the C# statement moneyString = someMoney.ToString("F3") , the expression F3 is an example of a(n) ____.

The keyword ____ is used to declare a named constant.

In arithmetic operations with operands of dissimilar types, a(n) ____ is the automatic conversion of nonconforming operands to a unifying type.

As an alternative to the Convert class methods, you can use a(n) ____ method to convert a string to a number.

You can use the ____ method to accept user input from the keyboard.

A prefix or postfix ____ operator reduces a variable's value by 1.

How is a named constant different from a variable? How would you create a named constant (and show an example)?

+= is the C# ____ operator; it adds the operand on the right to the operand on the left and assigns it to the operand on the left in one step.

What is a variable declaration, what is its purpose, and what does the declaration include?

someValue++ is an example of the use of the prefix increment operator.

A program that accepts console input from the user is a(n) ____ program.

A(n) ____ arithmetic operator has one argument to the left and another argument to the right of the operator.

The equal sign ( = ) is the C# assignment operator.

Explain why implicit numeric conversions are necessary and how C# chooses operands to convert.

The number of significant digits in a floating point number specifies the mathematical accuracy of the value. A(n) ____________________ data type can hold up to 16 significant digits of accuracy.

You declare a Boolean variable by using type ____.

A ____ is a string of characters that optionally contains fixed text and contains one or more format items or placeholders for variable values.

How can you compare strings using the Compare() method?

The ____ method from the Convert class converts a specified value to an 8-bit unsigned integer.

A First Program Using C

Using Gui Objects and the Visual Studio Ide

Making Decisions

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Files and Streams

Filters

Exam 2: Using Data

What are the differences between the prefix increment operator and postfix increment operator?

In the C# statement moneyString = someMoney.ToString("F3") , the expression F3 is an example of a(n) ____.

The keyword ____ is used to declare a named constant.

In arithmetic operations with operands of dissimilar types, a(n) ____ is the automatic conversion of nonconforming operands to a unifying type.

As an alternative to the Convert class methods, you can use a(n) ____ method to convert a string to a number.

You can use the ____ method to accept user input from the keyboard.

A prefix or postfix ____ operator reduces a variable's value by 1.

How is a named constant different from a variable? How would you create a named constant (and show an example)?

+= is the C# ____ operator; it adds the operand on the right to the operand on the left and assigns it to the operand on the left in one step.

What is a variable declaration, what is its purpose, and what does the declaration include?

someValue++ is an example of the use of the prefix increment operator.

A program that accepts console input from the user is a(n) ____ program.

A(n) ____ arithmetic operator has one argument to the left and another argument to the right of the operator.

The equal sign ( = ) is the C# assignment operator.

Explain why implicit numeric conversions are necessary and how C# chooses operands to convert.

The number of significant digits in a floating point number specifies the mathematical accuracy of the value. A(n) ____________________ data type can hold up to 16 significant digits of accuracy.

You declare a Boolean variable by using type ____.

A ____ is a string of characters that optionally contains fixed text and contains one or more format items or placeholders for variable values.

How can you compare strings using the Compare() method?

The ____ method from the Convert class converts a specified value to an 8-bit unsigned integer.

A First Program Using C

Using Gui Objects and the Visual Studio Ide

Making Decisions

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Files and Streams

Filters