Question 1

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

Accepted Answer

When you perform arithmetic with variabl

Question 2

What type of expression has a Boolean value as a result?

Accepted Answer

A)  decrement 
B)  comparison 
C)  assignment 
D)  unifying 
A)  decrement 
B)  comparison 
C)  assignment 
D)  unifying

Question 3

You can concatenate two strings with the plus (+) sign.

Accepted Answer

A) True 
 B)False

Question 4

What statement regarding operator precedence is accurate?

Accepted Answer

A)  Multiplication, division, and addition always take place prior to the calculation of a remainder. 
B)  Operations that are placed in parentheses are evaluated first. 
C)  Operations are always evaluated left to right, regardless of the expressions. 
D)  Addition and subtraction operations are evaluated first. 
A)  Multiplication, division, and addition always take place prior to the calculation of a remainder. 
B)  Operations that are placed in parentheses are evaluated first. 
C)  Operations are always evaluated left to right, regardless of the expressions. 
D)  Addition and subtraction operations are evaluated first.

Question 5

What happens when "string1" is added to "string2" using the + sign in the C# programming language?

Accepted Answer

A)  The strings are concatenated together. 
B)  The strings are converted to integer equivalents and then added together. 
C)  The result is returned as a Boolean value. 
D)  A type error occurs, and the program is halted. 
A)  The strings are concatenated together. 
B)  The strings are converted to integer equivalents and then added together. 
C)  The result is returned as a Boolean value. 
D)  A type error occurs, and the program is halted.

Question 6

An assignment that is made when a variable is declared is known as what?

Accepted Answer

A)  A definition of the variable 
B)  An allocation of the variable 
C)  An assignment to the variable 
D)  An initialization of the variable 
A)  A definition of the variable 
B)  An allocation of the variable 
C)  An assignment to the variable 
D)  An initialization of the variable

Question 7

In C#, += 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 the name for this operator?

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 8

What is the purpose of the ReadLine() method? How would you use it with a variable of type string? How would you use it with a variable of type double?

Accepted Answer

You use the ReadLine() method to accept

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

The Compare() method requires two string

Question 11

What is the name for a series of characters used to control the appearance of text output?

Accepted Answer

A)  A declared namespace 
B)  A set placeholder 
C)  A defined format string 
D)  Carefully placed whitespace 
A)  A declared namespace 
B)  A set placeholder 
C)  A defined format string 
D)  Carefully placed whitespace

Question 12

What data type can be used to hold a series of characters?

Accepted Answer

A)  int 
B)  string 
C)  sbyte 
D)  char 
A)  int 
B)  string 
C)  sbyte 
D)  char

Question 13

You are performing an arithmetic operation and have placed the desired result type in parentheses followed by a variable to be cast with the result.What is this an example of?

Accepted Answer

A)  implicit casting 
B)  automatic casting 
C)  intrinsic casting 
D)  explicit casting 
A)  implicit casting 
B)  automatic casting 
C)  intrinsic casting 
D)  explicit casting

Question 14

Operator precedence rules ensure that addition and subtraction always take place prior to multiplication, division, or remainder in an expression.

Accepted Answer

A) True 
 B)False

Question 15

When running a program, an instruction to the user to enter data for the program to process is known by what term?

Accepted Answer

A)  line 
B)  prompt 
C)  cue 
D)  hint 
A)  line 
B)  prompt 
C)  cue 
D)  hint

Question 16

What are the nine integral data types in C# and how do you decide which is the most appropriate to use in a particular situation?

Accepted Answer

The nine types are byte, sbyte, short, u

Question 17

What type of number can be described as having varying numbers of significant digits, which contains decimal positions?

Accepted Answer

A)  integer 
B)  whole 
C)  floating-point 
D)  int 
A)  integer 
B)  whole 
C)  floating-point 
D)  int

Question 18

What method can be used to accept user input from the keyboard on the console?

Accepted Answer

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

Question 19

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

Accepted Answer

When you only want to increase a variabl

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

What type of expression has a Boolean value as a result?

You can concatenate two strings with the plus (+) sign.

What statement regarding operator precedence is accurate?

What happens when "string1" is added to "string2" using the + sign in the C# programming language?

An assignment that is made when a variable is declared is known as what?

In C#, += 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 the name for this operator?

What is the purpose of the ReadLine() method? How would you use it with a variable of type string? How would you use it with a variable of type double?

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

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

What is the name for a series of characters used to control the appearance of text output?

What data type can be used to hold a series of characters?

You are performing an arithmetic operation and have placed the desired result type in parentheses followed by a variable to be cast with the result.What is this an example of?

Operator precedence rules ensure that addition and subtraction always take place prior to multiplication, division, or remainder in an expression.

When running a program, an instruction to the user to enter data for the program to process is known by what term?

What are the nine integral data types in C# and how do you decide which is the most appropriate to use in a particular situation?

What type of number can be described as having varying numbers of significant digits, which contains decimal positions?

What method can be used to accept user input from the keyboard on the console?

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

A First Program Using C#

Using Gui Objects and the Visual Studio Ide

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Files and Streams

Making Decisions

Filters

Exam 2: Using Data

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

What type of expression has a Boolean value as a result?

You can concatenate two strings with the plus (+) sign.

What statement regarding operator precedence is accurate?

What happens when "string1" is added to "string2" using the + sign in the C# programming language?

An assignment that is made when a variable is declared is known as what?

In C#, += 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 the name for this operator?

What is the purpose of the ReadLine() method? How would you use it with a variable of type string? How would you use it with a variable of type double?

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

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

What is the name for a series of characters used to control the appearance of text output?

What data type can be used to hold a series of characters?

You are performing an arithmetic operation and have placed the desired result type in parentheses followed by a variable to be cast with the result.What is this an example of?

Operator precedence rules ensure that addition and subtraction always take place prior to multiplication, division, or remainder in an expression.

When running a program, an instruction to the user to enter data for the program to process is known by what term?

What are the nine integral data types in C# and how do you decide which is the most appropriate to use in a particular situation?

What type of number can be described as having varying numbers of significant digits, which contains decimal positions?

What method can be used to accept user input from the keyboard on the console?

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

A First Program Using C#

Using Gui Objects and the Visual Studio Ide

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Files and Streams

Making Decisions

Filters