Deck 4: The Selection Structure

Question 1

The And operator always checks both conditions, while the AndAlso operator is not required to check both conditions.

Answer 1

True

Question 2

The ToUpper() and ToLower() methods will temporarily convert a string to uppercase or lowercase respectively.

Answer 2

True

Question 3

Comparison operators are always evaluated after arithmetic operators in a conditional expression.

Answer 3

True

Question 4

The selection structure is used when you wish a program to make a decision or comparison in a program.

Question 5

The value of the following expression 9 * 2 - 8 > 5 + 2 / 2 is true.

Question 6

When coding a selection instruction in Visual Basic .NET the code that follows the Else statement are those instructions that will be executed when the condition is true.

Question 7

A programmer must write the selection structure in such a way as to have either a true or false answer.

Question 8

The Not operator would make a True statement False, but would not make a False statement evaluate True.

Question 9

The oval symbol is used in a flowchart to represent the start and stop point.

Question 10

The conditional expression 3 + 3 < = 12 / 4 + 3 evaluates to false.

Question 11

An Xor logical operator is true if both conditions are true.

Question 12

The conditional expression 4 * 6 / 2 > = 3 * 5 + 9 evaluates to false.

Question 13

The parallelogram is used in a flowchart for decision activities.

Question 14

The rectangle is used in a flowchart to represent both Input and Output activities.

Question 15

The conditional expression 9 * 2 / 6 > 12 / 3 / 2 evaluates to true.

Question 16

An If selection structure contains two sets of instructions to be executed, one for the true condition and one for the false condition.

Question 17

The data validation process means that the data that has been validated and is within an acceptable range.

Question 18

When coding a selection instruction in Visual Basic .NET the code that follows the Then statement are those instructions that will be executed when the condition is false.

Question 19

The diamond symbol is used in a flowchart for a calculation task.

Question 20

The Or operator always checks both conditions, while the OrElse operator is not required to check both conditions.

Question 21

Consider the expression 3 * 2 ^ 2 15 - 3. Which operation is performed second?

A) ^
B) /
C) *
D) +

Question 22

The following condition 2 * 3 + 1 > 1 * 2 + 3 OR 7 + 2 < 4 + 1 is false.

Question 23

The following expression 6 * 5 / 10 > 4 * 8 - 35 XOR 3 * 9 - 30 > 2 * 5 - 15 is true.

Question 24

What is the value of the following expression: 9 * 2 - 8 > 5 + 2 / 2?

A) 10
B) 6
C) False
D) True

Question 25

Consider the expression 3 * 2 ^ 2 15 - 3. Which operation is performed last?

A) ^
B) <
C) >
D) AndAlso

Question 26

Which of the following standard flowchart symbols is used for calculations?

A) Oval
B) Rectangle
C) Parallelogram
D) Diamond

Question 27

Consider the expression 3 * 2 ^ 2 15 - 3. Which operation is performed first?

A) ^
B) /
C) *
D) +

Question 28

You can use the Catch statement to catch (or trap) an exception when it occurs in a program.

Question 29

The method that will cause a message box to display on the screen is the ____ method.

A) Display
B) Visible
C) Show
D) Prompt

Question 30

The following expression 6 * 5 / 10 > 4 * 8 - 35 AND 3 * 9 - 30 > 2 * 5 - 15 is true.

Question 31

To make a decision in the logic of a program you would use which of the following programming structures?

A) Sequence
B) Selection
C) Repetition
D) Control

Question 32

Which of the following operators is evaluated last in the following expression: 9 * 2 - 8 > 5 + 2 / 2?

A) -
B) +
C) >
D) *

Question 33

Which of the following operators is evaluated first in the following expression: 9 * 2 - 8 > 5 + 2 / 2?

A) -
B) +
C) >
D) *

Question 34

If a letter grade of "B" or "A" on a test is determined based upon the following grading scale, which expression would identify an individual earning a "B" or "A" based upon a variable score? 90-100 A 80- B 70- C 60- D 0- F

A) score = 80 Or score > 90
B) score > 80 And score >=90
C) score >= 80
D) score =80

Question 35

If a letter grade of "B" on a test is determined based upon the following grading scale, which of the following expressions would identify an individual earning a "B" based upon a variable score? 90-100 A 80- B 70- C 60- D 0- F

A) score = 80 Or score < 90
B) score > 80 And score <=90
C) score >= 80 And score < 90
D) score =80

Question 36

Which of the following standard flowchart symbols is used to mark the beginning and end of a flowchart?

A) Oval
B) Rectangle
C) Parallelogram
D) Diamond

Question 37

Which of the following standard flowchart symbols is used to represent both selection and repetition?

A) Oval
B) Rectangle
C) Parallelogram
D) Diamond

Question 38

The conditional expression 28 / 4 + 2 < ( 13 - 7) / 6 evaluates to false.

Question 39

Which of the following is used to express inequality?

A) >
B) <>
C) >=
D) <=

Question 40

Which of the following standard flowchart symbols is used for input/output activities?

A) Oval
B) Rectangle
C) Parallelogram
D) Diamond

Question 41

When using the Visual Basic .NET Financial.Pmt function, Financial.Pmt(Rate, NPer, PV[,FV, Due]), which of the following is correct for a 7%, $10,000, 5 year loan with annual payments?

A) Financial.Pmt(.07, 5, 10000, 0, DueDate.EndOfPeriod)
B) Financial.Pmt(.07, 5, 10000, 0, DueDate.BegOfPeriod)
C) Financial.Pmt(.07/12, 5*12, 10000, 0, DueDate.EndOfPeriod)
D) Financial.Pmt(7, 5*12, 10000, 0, DueDate.EndOfPeriod)

Question 42

The MessageBox.Show(text, caption, buttons, icon[, default button]) method displays a message box at runtime on your form. Which of the above arguments controls the words appearing in the message box?

A) text
B) caption
C) buttons
D) icons

Question 43

The MessageBox.Show(text, caption, buttons, icon[, default button]) method displays a message box at runtime on your form. Which of the above arguments controls the words appearing on the message box title bar?

A) text
B) caption
C) buttons
D) icons

Question 44

When using the Visual Basic .NET Financial.Pmt function, Financial.Pmt(Rate, NPer, PV[,FV, Due]), which of the following is correct for a 7%, $10,000, 5 year loan with monthly payments?

A) Financial.Pmt(.07, 5, 10000, 0, DueDate.EndOfPeriod)
B) Financial.Pmt(.07, 5, 10000, 0, DueDate.BegOfPeriod)
C) Financial.Pmt(.07/12, 5*12, 10000, 0, DueDate.EndOfPeriod)
D) Financial.Pmt(7, 5*12, 10000, 0, DueDate.EndOfPeriod)

Question 45

The MessageBox.Show(text, caption, buttons, icon[, default button]) method displays a message box at runtime on your form. Which of the above arguments controls the symbol appearing in the message box?

A) text
B) caption
C) buttons
D) icon

Question 46

The ____ property controls the placement of the text in a label control.

A) TextAlign
B) Centered
C) RightAdjust
D) LeftAdjust

Question 47

Which of the following events occurs when the control has focus and the user presses a key?

A) PressEnter
B) KeyEnter
C) KeyPress
D) FocusPress

Question 48

To prevent a text box from accepting inappropriate characters, you first use the e parameter's ____ property to determine the key that the user pressed.

A) KeyStruck
B) KeyEnter
C) KeyChar
D) KeyPress

Question 49

In Visual Basic .NET, an error that occurs while a program is running is called a(n) ____.

A) logical error
B) exception
C) syntax error
D) constant

Question 50

You want to save for a world cruise when you retire. You will need $20,000, interest rates are 6%, and you plan on retiring in 20 years. Using the Visual Basic .NET Financial.Pmt function, Financial.Pmt(Rate, NPer, PV [,FV, Due]), which is correct for annual payments due today?

A) Financial.Pmt(.06, 20, 0, 20000, DueDate.EndOfPeriod)
B) Financial.Pmt(.06, 20, 0, 20000, DueDate.BegOfPeriod)
C) Financial.Pmt(.06.12, 20*12, 0, 20000, DueDate.EndOfPeriod)
D) Financial.Pmt(.06.12, 20*12, 0, 20000, DueDate.BegOfPeriod)