Question 1

You can use the WriteLine or Write methods from the StreamReader class to write numbers to a text file, but the numbers are converted to strings.

Accepted Answer

A) True 
 B)False

Question 2

To add an item to a ListBox control with code, you call the control's ____________method.

Accepted Answer

A)  Add.Items 
B)  Items.Add 
C)  Items.Append 
D)  Items.Insert 
A)  Add.Items 
B)  Items.Add 
C)  Items.Append 
D)  Items.Insert

Question 3

In the header of a for loop, which expression should not end with a semicolon?

Accepted Answer

A)  initialization expression 
B)  test expression 
C)  update expression 
D)  none of these 
A)  initialization expression 
B)  test expression 
C)  update expression 
D)  none of these

Question 4

If a loop does not have a way of stopping, it is called a(n) ____________.

Accepted Answer

A)  runaway loop 
B)  game loop 
C)  infinite loop 
D)  expressionless loop 
A)  runaway loop 
B)  game loop 
C)  infinite loop 
D)  expressionless loop

Question 5

In general, there are three types of files: text, binary, and bitmap.

Accepted Answer

A) True 
 B)False

Question 6

____________ are commonly used to control the number of times a loop iterates.

Accepted Answer

A)  Boolean variables 
B)  Sentinel variables 
C)  Counter variables 
D)  Named constants 
A)  Boolean variables 
B)  Sentinel variables 
C)  Counter variables 
D)  Named constants

Question 7

The second expression appearing in the header of a for loop is the _____________, which is a Boolean expression that determines whether the loop will repeat.

Accepted Answer

A)  test expression 
B)  update expression 
C)  initialization expression 
D)  control expression 
A)  test expression 
B)  update expression 
C)  initialization expression 
D)  control expression

Question 8

If a Random object uses the same seed value each time it is created, it always generates the same series of random numbers.

Accepted Answer

A) True 
 B)False

Question 9

You can specify the directory to be initially displayed by the Open dialog box by storing its path in the ____________.

Accepted Answer

A)  InitialDirectory property 
B)  Source property 
C)  Filename property 
D)  Path property 
A)  InitialDirectory property 
B)  Source property 
C)  Filename property 
D)  Path property

Question 10

The increment operator is ____________.

Accepted Answer

A)  -- 
B)  ++ 
C)  -= 
D)  += 
A)  -- 
B)  ++ 
C)  -= 
D)  +=

Question 11

Most programming languages provide two different ways to access data stored in a file: sequential access and direct access.

Accepted Answer

A) True 
 B)False

Question 12

A file's ____________ marks the location of the next item that will be read from the file.

Accepted Answer

A)  line marker 
B)  index value 
C)  read position 
D)  newline character 
A)  line marker 
B)  index value 
C)  read position 
D)  newline character

Question 13

You can change the default text displayed in the Save As dialog box's title bar by changing the SaveFileDialog control's DisplayText property.

Accepted Answer

A) True 
 B)False

Question 14

If you call Random.Next( ), the resulting random values will be between 1 and 2,147,483,647.

Accepted Answer

A) True 
 B)False

Question 15

The expression ____________ causes an object of the Random class to be created in memory.

Accepted Answer

A)  GetRandom(int) 
B)  GenerateRandom(number) 
C)  new Random() 
D)  random new() 
A)  GetRandom(int) 
B)  GenerateRandom(number) 
C)  new Random() 
D)  random new()

Question 16

In code, you can display a Save As dialog box by calling the SaveFileDialog control's ____________ method.

Accepted Answer

A)  SaveAs 
B)  Show 
C)  ShowDialog 
D)  Display 
A)  SaveAs 
B)  Show 
C)  ShowDialog 
D)  Display

Question 17

If the user clicks the Cancel button, the SaveFileDialog control's ShowDialog method returns the value ____________.

Accepted Answer

A)  Result.False 
B)  DialogResult.Cancel 
C)  DialogResult.Abort 
D)  Result.NULL 
A)  Result.False 
B)  DialogResult.Cancel 
C)  DialogResult.Abort 
D)  Result.NULL

Question 18

In order to write data to a text file, you must create a file object using the ____________.

Accepted Answer

A)  TextReader class 
B)  TextWriter class 
C)  StreamReader class 
D)  StreamWriter class 
A)  TextReader class 
B)  TextWriter class 
C)  StreamReader class 
D)  StreamWriter class

Question 19

You can use the StreamWriter class's ____________ method to write a line of text to a file.

Accepted Answer

A)  PrintLine 
B)  WriteText 
C)  WriteLine 
D)  PrintText 
A)  PrintLine 
B)  WriteText 
C)  WriteLine 
D)  PrintText

Question 20

In the update expression of a for loop, you must use the ++ operator in the increment expression.

Accepted Answer

A) True 
 B)False

You can use the WriteLine or Write methods from the StreamReader class to write numbers to a text file, but the numbers are converted to strings.

To add an item to a ListBox control with code, you call the control's ____________method.

In the header of a for loop, which expression should not end with a semicolon?

If a loop does not have a way of stopping, it is called a(n) ____________.

In general, there are three types of files: text, binary, and bitmap.

____________ are commonly used to control the number of times a loop iterates.

The second expression appearing in the header of a for loop is the _____________, which is a Boolean expression that determines whether the loop will repeat.

If a Random object uses the same seed value each time it is created, it always generates the same series of random numbers.

You can specify the directory to be initially displayed by the Open dialog box by storing its path in the ____________.

The increment operator is ____________.

Most programming languages provide two different ways to access data stored in a file: sequential access and direct access.

A file's ____________ marks the location of the next item that will be read from the file.

You can change the default text displayed in the Save As dialog box's title bar by changing the SaveFileDialog control's DisplayText property.

If you call Random.Next( ), the resulting random values will be between 1 and 2,147,483,647.

The expression ____________ causes an object of the Random class to be created in memory.

In code, you can display a Save As dialog box by calling the SaveFileDialog control's ____________ method.

If the user clicks the Cancel button, the SaveFileDialog control's ShowDialog method returns the value ____________.

In order to write data to a text file, you must create a file object using the ____________.

You can use the StreamWriter class's ____________ method to write a line of text to a file.

In the update expression of a for loop, you must use the ++ operator in the increment expression.

Introduction to Computers and Programming

Introduction to Visual C#

Processing Data

Making Decisions

Modularizing Your Code with Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters

Exam 5: Loops, Files, and Random Numbers

You can use the WriteLine or Write methods from the StreamReader class to write numbers to a text file, but the numbers are converted to strings.

To add an item to a ListBox control with code, you call the control's ____________method.

In the header of a for loop, which expression should not end with a semicolon?

If a loop does not have a way of stopping, it is called a(n) ____________.

In general, there are three types of files: text, binary, and bitmap.

____________ are commonly used to control the number of times a loop iterates.

The second expression appearing in the header of a for loop is the _____________, which is a Boolean expression that determines whether the loop will repeat.

If a Random object uses the same seed value each time it is created, it always generates the same series of random numbers.

You can specify the directory to be initially displayed by the Open dialog box by storing its path in the ____________.

The increment operator is ____________.

Most programming languages provide two different ways to access data stored in a file: sequential access and direct access.

A file's ____________ marks the location of the next item that will be read from the file.

You can change the default text displayed in the Save As dialog box's title bar by changing the SaveFileDialog control's DisplayText property.

If you call Random.Next( ), the resulting random values will be between 1 and 2,147,483,647.

The expression ____________ causes an object of the Random class to be created in memory.

In code, you can display a Save As dialog box by calling the SaveFileDialog control's ____________ method.

If the user clicks the Cancel button, the SaveFileDialog control's ShowDialog method returns the value ____________.

In order to write data to a text file, you must create a file object using the ____________.

You can use the StreamWriter class's ____________ method to write a line of text to a file.

In the update expression of a for loop, you must use the ++ operator in the increment expression.

Introduction to Computers and Programming

Introduction to Visual C#

Processing Data

Making Decisions

Modularizing Your Code with Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters