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Homework answers / question archive /     Question1)A provides an area in the form for the user to enter data

    Question1)A provides an area in the form for the user to enter data

Computer Science

 

 

Question1)A provides an area in the form for the user to enter data.

     
 

a. 

button

 

b. 

label

 

c. 

check box

 

d. 

text box

     
  • Question 2

 

   
 

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

     
 

 True

 

False

     
  • Question 3

 

   
 

A control’s order of receiving focus is set by changing the ____ property.

     
 

a. 

PrevControl

 

b. 

NextControl

 

c. 

TabIndex

 

d. 

GetFocus

     
  • Question 4

 

   
 

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

     
 

a. 

algorithm

 

b. 

function

 

c. 

class

 

d. 

Sub procedure

     
  • Question 5

 

   
 

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

     
 

a. 

Shift

 

b. 

Alt

 

c. 

Backspace

 

d. 

Tab

     
  • Question 6

 

   
 

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

     
 

True

 

 False

     
  • Question 7

 

   
 

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. 

plan the application

 

b. 

meet with the client

 

c. 

draw a sketch of the user interface

 

d. 

assemble the documentation

     
  • Question 8

 

   
 

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. 

four

 

b. 

two

 

c. 

three

 

d. 

one

     
  • Question 9

 

   
 

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. 

six

 

b. 

three

 

c. 

five

 

d. 

four

     
  • Question 10

 

   
 

Complete the Result column in the chart provided.

Expression

Result

 

 

9 - 2 * 3

 

38 / 2

 

38 % 2

 

 

 

 

 

     
 

 

Expression

Result

 

 

9 - 2 * 3

3

38 / 2

19

38 % 2

0

 

 

 

 

     
  • Question 11

 

   
 

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

     
 

 

A flowchart uses standardized symbols to show the steps a procedure must follow to reach its goal.
1. The start/stop symbol is an oval symbol. The start/stop symbol indicates the beginning and end, respectively, of the flowchart.
2. The process symbol is a rectangle. The process symbol is used to represent tasks such as calculations.
3. The input/output symbol is a parallelogram. These symbols are used to represent input tasks and output tasks.

     

  • Question 12

 

   
 

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

     
 

 

Any four can be used for the answer:
1. Use graphics sparingly. Make sure they are small and not distracting to the user.
2. Use only one font type (Segoe UI) for all of the text in the interface.
3. Use no more than two different font sizes in the interface.
4. Avoid use of italics and underlining.
5. Limit use of bold text to titles, headings, and key items that you want to emphasize.
6. Use black, white, and gray. Only add color if there is a good reason to do so.
7. Use white, off-white, or light gray for the background. Use black for text.
8. Never use a dark color for the background or a light color for text.
9. Limit the number of colors in an interface to three. Make sure colors are complementary.
10. Never use any color as the only means of identification for an element in the interface.

   
     
  • Question 13

 

   
 

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

     
 

 

A label control determines the setting of the BorderStyle property. Label controls that identify other controls should have a BorderStyle setting of None so that no border displays. Label controls that display program output have a BorderStyle setting of FixedSingle so that the control is surrounded by a thin line. Text box controls are often used to accept user input, and the BorderStyle property should be set to Fixed3D.

     
  • Question 14

 

   
 

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

     
 

 

A string is defined as zero or more characters enclosed in quotation marks, such as "Smith". An empty string is a set of quotation marks with nothing between them, such as "". An empty string is sometimes assigned to the Text property of an object while an application is running to remove the contents of the object.

     
  • Question 15

 

   
 

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

     
 

a. 

Shift

 

b. 

Alt

 

c. 

Ctrl+Shift

 

d. 

Ctrl

     
  • Question 16

 

   
 

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

     
 

a. 

1

 

b. 

2

 

c. 

3

 

d. 

4

     
  • Question 17

 

   
 

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

     
 

a. 

*

 

b. 

+

 

c. 

-

 

d. 

/

     
  • Question 18

 

   
 

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

     
 

a. 

*

 

b. 

-

 

c. 

+

 

d. 

/

     
  • Question 19

 

   
 

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).

     
 

 

1. Identify the tasks the application needs to perform.
2. Identify the objects to which you will assign the tasks.
3. Identify the events required to trigger an object into performing its assigned tasks.
4. Draw a sketch of the user interface.

     
  • Question 20

 

   
 

Pseudocode uses standardized symbols to show the logical steps in a solution to a programming project.

     
 

True

 

 False

     
  • Question 21

 

   
 

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

     
 

a. 

pseudocode

 

b. 

macro code

 

c. 

object code

 

d. 

flowcharts

     
  • Question 22

 

   
 

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

     
 

a. 

Arrange

 

b. 

Display

 

c. 

Format

 

d. 

Change

     

 

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