Deck 2: Designing Applications

Question 1

The number of different colors used on a form should be limited to ____ colors exclusive of black, white, and gray.

A) two
B) three
C) four
D) five

Answer 1

B

Question 2

A ____ provides an area in the form for the user to enter data.

A) text box
B) label
C) button
D) check box

Answer 2

A

Question 3

A control's border is determined by its BorderStyle property.

Answer 3

True

Question 4

You should never use a dark color background or a light color font.

Question 5

A label control used to display output should use which of the following BorderStyle settings?

A) FixedSingle
B) Fixed3D
C) No BorderStyle (None)
D) Sizable

Question 6

A label control's ____ property determines whether the control automatically sizes to fit its current contents.

A) TextAlign
B) Fit
C) MiddleCenter
D) AutoSize

Question 7

The last step in planning an OO application is to ____.

A) draw a sketch of the user interface
B) identify the objects to which tasks will be assigned
C) identify the tasks the application needs to perform
D) identify the event required to trigger an object to perform its assigned tasks

Question 8

Which of the following is the correct sequence of events when designing a solution?

A) Write the code, design the interface, and plan the application.
B) Design the interface, plan the application, and write the code.
C) Plan the application, write the code, and design the interface.
D) Plan the application, design the interface, and write the code.

Question 9

An instruction that is syntactically correct will also be logically correct.

Question 10

Most invalid data is a result of typing errors that occur when entering instructions.

Question 11

In most cases, an identifying label should be from one to three words only and appear on one line.

Question 12

An access key allows the user to select an object using the ____ key in combination with a letter or number.

A) Shift
B) Tab
C) Alt
D) Backspace

Question 13

The ____ property of a control is used to specify the position of the text within the control.

A) AlignText
B) Alignment
C) Justify
D) TextAlign

Question 14

Labels that identify other controls (such as text boxes) should be right-aligned according to Windows standards.

Question 15

The first step in planning an OO application is to ____.

A) draw a sketch of the user interface
B) identify the objects to which tasks will be assigned
C) identify the tasks the application needs to perform
D) identify the event required to trigger an object to perform its assigned tasks

Question 16

To test an application, you should use both valid and invalid test data.

Question 17

You can hide a control on a form while an application is running by changing the Visible property from False to True.

Question 18

The first step in the planning phase of a programming solution is to sketch the user interface.

Question 19

The programming process begins with a meeting between the programmer and the client. Which of the following activities would be the last activity in the programming process?

A) Build the user interface.
B) Code the application.
C) Test and debug.
D) Assemble the documentation.

Question 20

The Windows standard is to use sentence capitalization for identifying labels.

Question 21

Which of the following symbols is used to place documentation in a program and causes the computer to ignore the remaining content on the line?

A) //
B) /*
C) */
D) '

Question 22

Which of the following statements formats the contents of the txtSalesTax control with a percent sign and two digits to the right of the decimal?

A) txtSalesTax.Text = Format(txtSalesTax, "Percent")
B) txtSalesTax.Text = Format(txtSalesTax, "Fixed")
C) txtSalesTax.Text = Format(txtSalesTax.Text, "Percent")
D) txtSalesTax.Text = Format("Percent", txtSalesTax.Text)

Question 23

In the mathematical expression 12 / 6 / 2, the answer is ____.

A) 1
B) 2
C) 3
D) 4

Question 24

In the mathematical expression 4 * 3 + 15 / 3 - 6, which operation is performed first?

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

Question 25

A(n) ____ is a predefined procedure that performs a specific task and then returns a value.

A) algorithm
B) function
C) Sub procedure
D) class

Question 26

The syntax of the Focus method is ____, where "object" is the name of the object to which you want the focus sent.

A) object.GetFocus()
B) object.SetFocus()
C) object.Focus()
D) object.FocusThis()

Question 27

Case-Based Critical Thinking Questions Case 1 - BrainPower Tutoring
The owner of BrainPower Tutoring needs an application to calculate and print estimates to provide to potential clients for tutoring services. A tutoring session is a minimum of one hour, and the hourly rate varies based on the subject. The application should allow the owner to enter the client's name, subject, number of tutoring sessions, and hourly rate. The application will display the total fee and allow the owner to print the estimate. You should also provide the ability for the owner to clear the screen and exit the application.
Your first step in developing the application is to ____.

A) draw a sketch of the user interface
B) meet with the client
C) assemble the documentation
D) plan the application

Question 28

The ____ method of a control will cause the focus on the screen to move to that control.

A) Focus
B) GoTo
C) HighLight
D) Select

Question 29

To employ an access key, press and hold down the ____ key as you tap the access key.

A) Scroll
B) Backslash
C) Alt
D) Tilde (˜)

Question 30

The character used to create an access key by inserting it into a text property is ____.

A) ˜
B) ^
C) &
D).

Question 31

Short English-like phrases written to represent the steps a program must take to solve a particular problem are called ____.

A) flowcharts
B) pseudocode
C) object code
D) macro code

Question 32

In Windows applications, pressing the ____ and Tab keys simultaneously will move the focus backward.

A) Shift
B) Ctrl
C) Alt
D) Ctrl+Shift

Question 33

In the mathematical expression 4 * 3 + 15 / 3 - 6, which operation is performed last?

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

Question 34

The ____ values determine the order in which each control receives the focus.

A) GetFocus
B) PrevControl
C) NextControl
D) TabIndex

Question 35

The ____ function temporarily converts a string to a number, and then returns the number.

A) Num
B) Number
C) Val
D) Value

Question 36

If the user enters $20 in the txtPrice control and 4 in the txtQuantity control, the Val(txtPrice.Text) * Val(txtQuantity.Text) expression will evaluate to ____.

A) 0
B) 40
C) 80
D) none of the above

Question 37

The ____ function can be used to improve the appearance of the numbers displayed on a screen.

A) Arrange
B) Change
C) Display
D) Format

Question 38

Case-Based Critical Thinking Questions Case 1 - BrainPower Tutoring
The owner of BrainPower Tutoring needs an application to calculate and print estimates to provide to potential clients for tutoring services. A tutoring session is a minimum of one hour, and the hourly rate varies based on the subject. The application should allow the owner to enter the client's name, subject, number of tutoring sessions, and hourly rate. The application will display the total fee and allow the owner to print the estimate. You should also provide the ability for the owner to clear the screen and exit the application.
How many text boxes do you need for the application?

A) three
B) four
C) five
D) six

Question 39

Case-Based Critical Thinking Questions Case 1 - BrainPower Tutoring
The owner of BrainPower Tutoring needs an application to calculate and print estimates to provide to potential clients for tutoring services. A tutoring session is a minimum of one hour, and the hourly rate varies based on the subject. The application should allow the owner to enter the client's name, subject, number of tutoring sessions, and hourly rate. The application will display the total fee and allow the owner to print the estimate. You should also provide the ability for the owner to clear the screen and exit the application.
How many buttons do you need for the application?

A) one
B) two
C) three
D) four

Question 40

The symbol used in code for assignment is the ____ symbol.

A) ˜
B) ^
C) *
D) =

Question 41

Describe four GUI design tips that follow the Windows standards for the use of graphics, fonts, and color.

Question 42

What are sentence capitalization and book title capitalization? How are they used in developing a user interface?

Question 43

Write a statement that adds the contents of the txtNum1 control to the contents of the txtNum2 control, and then multiplies the result by 5. The result is displayed in the lblResult control.

Question 44

Complete the Result column in the chart provided.

Question 45

Explain the difference between a string and an empty string. Why would you use an empty string?

Question 46

Problems - Correcting Code Errors
The following statements contain errors. Rewrite the statements to correct all errors.
The following expression should subtract 10 from the txtPrice control and then multiply the result by .07:
lblSalesTax.Text = Val(txtPrice.Text) - 10 * .07

Question 47

Problems - Correcting Code Errors
The following statements contain errors. Rewrite the statements to correct all errors.
The following statement should subtract the contents of the txtEndInventory control from the contents of the txtBeginInventory control, and then divide the difference by 2:
Val(txtEndInventory) - Val(txtBeginInventory) \ 2

Question 48

What is a TOE (Task, Object, Event) chart? Describe how it is created and used in the planning phase of an application.

Question 49

Case-Based Critical Thinking Questions Case 1 - BrainPower Tutoring
The owner of BrainPower Tutoring needs an application to calculate and print estimates to provide to potential clients for tutoring services. A tutoring session is a minimum of one hour, and the hourly rate varies based on the subject. The application should allow the owner to enter the client's name, subject, number of tutoring sessions, and hourly rate. The application will display the total fee and allow the owner to print the estimate. You should also provide the ability for the owner to clear the screen and exit the application.
Which of the following statements is true about printing the estimate?

A) You must specify whether the estimate will be sent directly to the printer or to a PrintPreview window.
B) The PrintForm tool displays on the form.
C) The printing task requires only one code statement.
D) You cannot keep the buttons on the interface from appearing on the printed estimate.

Question 50

What is an access key? What are three reasons access keys should be set in a Windows application?

Question 51

What is debugging? Explain the difference between a syntax error and a logic error.

Question 52

What do the TabIndex values determine for the controls of an interface? What is the standard tab order for controls on an interface?

Question 53

Write a statement that clears the contents of the Text property of the txtLastName control.

Question 54

Case-Based Critical Thinking Questions Case 1 - BrainPower Tutoring
The owner of BrainPower Tutoring needs an application to calculate and print estimates to provide to potential clients for tutoring services. A tutoring session is a minimum of one hour, and the hourly rate varies based on the subject. The application should allow the owner to enter the client's name, subject, number of tutoring sessions, and hourly rate. The application will display the total fee and allow the owner to print the estimate. You should also provide the ability for the owner to clear the screen and exit the application.
Which of the following statements would calculate and display the total fee?

A) TotalFee.Text = Val(txtNumberSessions) * Val(txtRate)
B) TotalFee.Text = NumberSessions.Text * Rate.Text
C) lblTotalFee.Text = Val(txtNumberSessions.Text) * Val(txtRate.Text)
D) TotalFee = NumberSessions * Rate

Question 55

Define the term "flowchart." Define each of the three flowchart symbols and discuss how each is used within a flowchart.

Question 56

Write a statement that displays the net pay in the lblNetPay control so that it is formatted with a dollar sign and two decimal places.

Question 57

Explain how the BorderStyle property is used for label controls and text box controls.

Question 58

List the four steps you should follow when planning an object-oriented application. Be sure to put the steps in the proper numeric order (1 through 4).

Question 59

Problems - Correcting Code Errors
The following statements contain errors. Rewrite the statements to correct all errors.
The following statements should clear each control:
lblEmpNumber.Txt = String.Empty
lblFirstName = String.""
lblLastName.Text = Empty.String

Question 60

Problems - Correcting Code Errors
The following statements contain errors. Rewrite the statements to correct all errors.
The following statements should send the output directly to the printer:
PrintForm1.PrintJob = Printing.PrintAction.PrintToPreview
PrintForm2.Print()