Question 1

In the loop header of the 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 2

A ____________ is an invisible character that specifies the end of a line of text.

Accepted Answer

A)  line feed character 
B)  newline character 
C)  carriage return character 
D)  null character 
A)  line feed character 
B)  newline character 
C)  carriage return character 
D)  null character

Question 3

The ____________ is a posttest loop, which means it performs an iteration before testing its Boolean expression.

Accepted Answer

A)  for loop 
B)  while loop 
C)  do-while loop 
D)  do-before loop 
A)  for loop 
B)  while loop 
C)  do-while loop 
D)  do-before loop

Question 4

The ____________ begins with the word while, followed by a Boolean expression that is enclosed in parentheses.

Accepted Answer

A)  conditional statement 
B)  logic mark 
C)  while clause 
D)  loop parameter 
A)  conditional statement 
B)  logic mark 
C)  while clause 
D)  loop parameter

Question 5

The numbers that are generated by the Random class are ____________that are calculated by a formula.

Accepted Answer

A)  pseudorandom numbers 
B)  binary encoded numbers 
C)  algebraic derivatives 
D)  complex variables 
A)  pseudorandom numbers 
B)  binary encoded numbers 
C)  algebraic derivatives 
D)  complex variables

Question 6

In a count-controlled loop, you can only decrement the counter variable.

Accepted Answer

A) True 
 B)False

Question 7

When keeping a running total, the accumulator variable can start with any value and still contain the correct total when the loop finishes.

Accepted Answer

A) True 
 B)False

Question 8

A ____________, is an object that is associated with a specific file and provides a way for the program to work with that file.

Accepted Answer

A)  file instance 
B)  file object 
C)  filename class 
D)  referential extension 
A)  file instance 
B)  file object 
C)  filename class 
D)  referential extension

Question 9

The third expression that appears in the loop header of the for loop is the ____________, which executes at the end of each iteration, and it is typically the statement that increments the loop's counter variable.

Accepted Answer

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

Question 10

When a variable is declared in the initialization expression of a for loop, the scope of the variable is limited to the loop.

Accepted Answer

A) True 
 B)False

Question 11

The decrement operator is ____________.

Accepted Answer

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

Question 12

ListBox controls have an ____________ property that reports the number of items stored in the ListBox.

Accepted Answer

A)  Items.Count 
B)  Items.Size 
C)  Items.List 
D)  Items.Contains 
A)  Items.Count 
B)  Items.Size 
C)  Items.List 
D)  Items.Contains

Question 13

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 14

To ____________ a variable means to increase its value.

Accepted Answer

A)  append 
B)  decrement 
C)  add 
D)  increment 
A)  append 
B)  decrement 
C)  add 
D)  increment

Question 15

An exception will be thrown if a program attempts to read beyond the end of a file.

Accepted Answer

A) True 
 B)False

Question 16

Random numbers are useful for lots of different programming tasks.

Accepted Answer

A) True 
 B)False

Question 17

A(n) ____________ accumulates a total by adding each number in a series as they are read from a file.

Accepted Answer

A)  running total 
B)  numeric tally 
C)  active summary 
D)  dynamic collection 
A)  running total 
B)  numeric tally 
C)  active summary 
D)  dynamic collection

Question 18

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 19

When you create an OpenFileDialog control, its Filename property is initially set to the control's default name.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A) True 
 B)False

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

A ____________ is an invisible character that specifies the end of a line of text.

The ____________ is a posttest loop, which means it performs an iteration before testing its Boolean expression.

The ____________ begins with the word while, followed by a Boolean expression that is enclosed in parentheses.

The numbers that are generated by the Random class are ____________that are calculated by a formula.

In a count-controlled loop, you can only decrement the counter variable.

When keeping a running total, the accumulator variable can start with any value and still contain the correct total when the loop finishes.

A ____________, is an object that is associated with a specific file and provides a way for the program to work with that file.

The third expression that appears in the loop header of the for loop is the ____________, which executes at the end of each iteration, and it is typically the statement that increments the loop's counter variable.

When a variable is declared in the initialization expression of a for loop, the scope of the variable is limited to the loop.

The decrement operator is ____________.

ListBox controls have an ____________ property that reports the number of items stored in the ListBox.

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

To ____________ a variable means to increase its value.

An exception will be thrown if a program attempts to read beyond the end of a file.

Random numbers are useful for lots of different programming tasks.

A(n) ____________ accumulates a total by adding each number in a series as they are read from a file.

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

When you create an OpenFileDialog control, its Filename property is initially set to the control's default name.

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

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

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

A ____________ is an invisible character that specifies the end of a line of text.

The ____________ is a posttest loop, which means it performs an iteration before testing its Boolean expression.

The ____________ begins with the word while, followed by a Boolean expression that is enclosed in parentheses.

The numbers that are generated by the Random class are ____________that are calculated by a formula.

In a count-controlled loop, you can only decrement the counter variable.

When keeping a running total, the accumulator variable can start with any value and still contain the correct total when the loop finishes.

A ____________, is an object that is associated with a specific file and provides a way for the program to work with that file.

The third expression that appears in the loop header of the for loop is the ____________, which executes at the end of each iteration, and it is typically the statement that increments the loop's counter variable.

When a variable is declared in the initialization expression of a for loop, the scope of the variable is limited to the loop.

The decrement operator is ____________.

ListBox controls have an ____________ property that reports the number of items stored in the ListBox.

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

To ____________ a variable means to increase its value.

An exception will be thrown if a program attempts to read beyond the end of a file.

Random numbers are useful for lots of different programming tasks.

A(n) ____________ accumulates a total by adding each number in a series as they are read from a file.

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

When you create an OpenFileDialog control, its Filename property is initially set to the control's default name.

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

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