How to solve problems? What is meant by Algorithm? What is ... · 18- The VB.net language is one of...

1

1. What is the definition of a problem?

2. How to solve problems?

3. What is meant by Algorithm?

4. What is a Program testing?

5. What is Flowchart?

6. Define Visual Basic.NET?

7. Define programming language?

8. . Complete:

Shapes

Flow line

……………

……………

Process

……………

……………

……………

………..

Shapes'

name

……………

………..

Choose

events &

condition of

answer

Yes & No

……………

………

Used to

input &

output

Start &

End

Function

2

9. Correct the flowchart which represents adding two numbers:

Start

Result = n1 + n2

Read n1

Read n2

Output the result

End

3

10. The figure show chart for calculating the area and

circumference for a circle given the radius of the circle R:

A=3.14*R*R

C=2*3.14*R

START

END

OUTPUT A

OUTPUT C

READ R

11. The figure show chart for calculating the interest value for

balance with fixed interest rate.

Interest =balance*rate

END

Read name, balance, rate

Output

Name, balance, interest

Start

4

12- - Draw a flowchart for a program that will obtain exam scores

from the user. Determine whether the score is greater than or

equal 50 and display the message “ناجح ”.

13-Make the following statements in order:

( ) Program Testing.

( ) Performing step-by-step instructions (Algorithm).

( ) Problem Definition.

( ) Program Documentation.

( ) Program design.

14-State whether the following statements are true (√) or false (X) :

1. Flowcharts use symbols and lines with arrows to represent an

Algorithm. ( )

2. You can use any Geometric shape to represent Algorithms

when drawing flowcharts. ( )

3. Flowcharts can be drawn using software only and can’t be

drawn on paper. ( )

4.The flow of steps will always be from top to bottom or from

left to right. ( )

5

5. The rectangle symbol represents only on processing

operation. ( )

6. The flow of steps will always be from top to bottom or from

left to right. ( )

7. The symbol is used when a question has more than one

Alternative. ( )

8.Two paths (lines) should come out from the diamond .

( )

9. The line with an arrow (flow line) should be from left to right

or from top to bottom. ( )

10. The (Algorithm) is the first stage of Problem Solving. ( )

11-Flowcharts use standard symbols and lines to represent a

problem algorithm. ( )

12- The problem means that an objective or output is required

to reach. ( )

13- Preparing a cup of tea is an example of a problem. ( )

14- Problem solving is the steps, activities, and processes to be

done to reach an Output or objective. ( )

6

15- Flowcharts are schematic representations which depend on

drawing some Standard symbols to clarify the order of

procedures to solve a problem. ( )

16- Flowcharts help to facilitate understanding of the problem,

analyses and convert it to a program. ( )

17- The VB.net language is one of the high level languages. ( )

18- The VB.net language is one of Event Driven languages. ( )

19- The VB.net language is the only high level language. ( )

20- The VB.net language is considered a high level language

because it is easy to Learn. ( )

21- The VB.net language is used in producing Windows

applications and Web applications. ( )

22- The VB.net language is used in producing Web applications

only. ( )

23- The VB.net language can't be used in producing Windows

applications. ( )

24- Every Object is characterized by certain properties and

certain behaviour when a certain event occurs on it. ( )

7

25- Events and procedures which belong to any object in VB.net

language are called properties. ( )

26- The name, the size and colour of an object are all samples of

events that can occur to the object in VB.net language. ( )

27- The name, the size and colour of an object are all samples

of properties of some Objects in VB.net language. ( )

28- The Events are the commands and instructions which are

carried out when a certain procedure occurs to the object in

VB.net language. ( )

29- The procedures are the commands and instructions which

are carried out when a certain procedure occurs to the

object in VB.net language. ( )

30- Pressing click and D -click are samples of some events that

can occur to an object in VB.net language. ( )

31- Framework.net contains Compilers, libraries and runtime

environment. ( )

32- Compilers in Framework. Net are considered the

environment of runtime for applications which are produced

in VB.net language.( )

8

33- Compilers are programmes that translate commands and

instructions written by the programmer from the high level

language into machine language. ( )

34- Object oriented programming languages are the languages

which work through objects that carry out procedures when

a certain event occurs to them. ( )

35- All programming languages which carry out a group of

commands and instructions are considered as Event Driven

languages.( )

36- Visual Studio is considered IDE because it includes a group

of tools, elements and characteristics necessary to produce

applications. ( )

37- The function of the property RightToLeft of the Form is to

define the direction of Controls from right to left.( )


define the state of the Form on the screen in a position of

Maximizing or Minimizing. ( )

39- Setting the property ControlBox of the Form can control the

Form in a position of Maximizing during

programme.runtime.( )

40- The property"Name" is used in showing a certain Text in the

title bar of user window a name of the window.( )

9

41- The property Text is used in showing a certain text the title

bar of of user window. ( )

42- Setting some properties of the Form is applied to Controls

which are placed on the Form. ( )

43- The effect of setting the WindowState property of the form

appears only in runtime mode. ( )

44- You can change the location of Command Button on the

Form through Size property. ( )


Form through Location property. ( )

46- Placing Controls automatically on the Form on the co-

ordinate (0-0) is in the middle of the Form.( )

47- You can change the size of Label manually if AutoSize=true.

( )

48- You can change the size of Label manually if AutoSize=

false. ( )

49-"Textbox control tool: is the only tool which has the

property passwordChart.( )

50- "Textbox control tool: is the only tool which has the

property AutoSize.( )

51- ListBox and ComboBox share in "Item " property.( )

10

52- ListBox and and ComboBox share in " Suggest " property.( )

53- GroupBox is the tool used in containg a group of controls,

these controls have the same function on the Form.( )

54- ListBox is the tool used in containg a group of controls,

these controls have the same function on the Form.( )

55- CheckBox can be used on the Form to choose the Gender of

student male or Female. ( )

56- Combobox is the control tool that allows the user to

choose one element of several elements in the smallest

possible space on the form window. ( )

Choose the appropriate answer to complete each phrase of the

following:

1- Steps, activities and procedures to be done to reach an

objective or an output - can be called:

a. problem definition b. problem c. problem solving

2- On drawing flowcharts we use:

a. standard symbols and lines

b. all geometric figures

c. one geometric figure

3- A set of procedures arranged logically for solving a specific

problem – can be called:

a. problem b. algorithm c. program testing

11

4- Making sure that the program is free of errors – can be called:

a. program testing b. program documentation

c. algorithm

5- Writing down all the steps taken to solve a problem errors –

can be called:

a. program documentation b. program testing

c. flowcharts

6- Problem-solving approach includes many terminologies, the

terminology that expresses the preparation of a cup juice is:

a. Flowchart b. algorithm c. problem

7- Problem-solving approach includes many of the

terminologies, the terminology that expresses the mathematical

problem is:

a. Algorithm b. problem c. program design

8- A schematic representation that depends on drawing some

standard symbols to clarify the order of procedures to solve a

problem can be called:

a. Problem b. algorithm c. flowchart

9- Object Oriented programming language depends on:

a- using Windows applications.

b- using Web applications.

c- objects in computer memory.

12

10- You can produce Windows applications or Web applications

by using:

a-Objects in computer memory b-VB.net language

d- Properties and Events

11- Characteristics which describe the object such as size, name

and colour are called:

a-Properties b-procedures c-Events

12- Click on Button is:

a-property b-procedure c-Event

13- Commands and instructions which we want to carry out are

called:

a-properties b-producers c-Events

14- The Properties term refers to:

a- Features that describe the object.

b- Events that can occur to the object.

c- Commands and instructions that are carried out.

15- The Events term refers to :

a- properties that describe the object.



16- The Procedures term refers to:

a-properties that describe the object.

b-Events that can occur to the object.

d- Commands and instructions that are carried out.

13

17- libraries, Compilers and Environment of runtime of

applications are the most important components of:

a-Object Oriented. b-Event Driven.

c-Framework.net.

18- IDE is called:

a-Visual Basic.net b-Visual Studio. c-Framwork.net.

19- The function of "Right to Left" property of the Form is:

a- define the direction of Control tools from Right to Left.

b- define whether the layout of ControlTools on the Form is

from Right to Left.

c- define the state of the window in a state of maximaizing or

minimaizing.

20-ControlBox property of the Form is helping to:

a- showing or hiding of Maximaizing Box.

b- control the appearance of the Form whether it is in aposition

of Minimaizing / Maximaizing / Normal.

c- control the appearance or disappearance of ControlBox in

the Form.

21-The used property in showing a certain Text on the titlebar

of a Form is :

a- Name b-Text c-FormBorderStyle

14

22-On setting some properties of the Form, they are applied on

Control Tools Which are placed on the Form (one of them is):

a-Name b-Forecolor c-Text

23- The effect of setting this property doesn't appear unless in

runtime mode (This property is):

a-FormBorderStyle b-WindowState c-RightToLeft

24- The property which is responsible for the size, shape and

effect of the Text font shown on the Button is :

a-Backcolor b-Forecolor c-Font

25- You can change the position of the Button on the Form

through the following processes except for :

a-drag and drop by the mouse b-setting Size property

c-setting Location property


through :

a. setting Location property b-setting Size property

c-the eight squares around the Button

27- On inserting any ControlTool by pressing D-Click from the

ToolBox on the Form , the appropriate place to be shown is :

a-coordinate (0,0)

b-the middle of the Form

c-the position of ControlTool is different according to the size

of the Form

15

28- The size of Label is defined automatically on the Form if the

property is:

a-AutoSize = False b- BorderStyle= FixedSingle

c- AutoSize=True.

29- You can change the size of control "Label" manually if the

property is :

a- AutoSize = False- b- BorderStyle= FixedSingle

c- AutoSize=True-

30- The following properties belong to TextBox except for:

a-AutoSize b-MultiLine c-MaxLength

31- The Object TextBox is marked by one property :

a-AutoSize b-Name c-PasswordChart

32- The right value which can be used to set the PasswordChart

of the TextBox is :

a-Pw b-True c-*

33- The ListBox and ComboBox share in this property :

a-Suggest b-Item c-SelectionMode

34- The ControlTool which is used in containing a group of

controls that have the same function on the Form is:

a-ComboBox b-ListBox c-GroupBox

16

35- The Control tool which can be used on the Form to choose

Gender of the student "male"or "female" is:

a-Radio Button b-CheckBox c-TextBox

36- The ControlTool which can be used on the Form and allows

the user to choose more than one alternatives is :

a-RadioButton b-GroupBox c-CheckBox


the user to choose more than one item is :


38- The ControlTool which allows the user to choose one item

of 15 in the smallest possible area on the Form is:

a-ComboBox b-ListBox c-RadioBox

19

1. What is the definition of a problem?

The problem is defined as the objective or the specific output that we want to attain; through a sequence of steps and activities and, specific input.

2. How to solve problems?

o Problem Definition.

o Perform Algorithm.

o Program design.

o Program Testing.

o Program documentation.

3. What is meant by Algorithm?

is defined as group of logically arranged procedures

to be executed to attain a goal.(Flow Chart)

4. What is a Program testing?

Detecting errors and correct them.

5. What is Flowchart?

Flowchart is a diagram that uses standard graphical symbol

to make the steps required to solve problem.

6- visual Basic.net is just one of the languages in visual

studio.net package that includes other languages ,such as c#

and j#.

7- programming languages is is a set of rules symbols and

special words you can use to write instructions to make a

computer program.

20

8- Complete:

9- Correct the flowchart which represents adding two numbers:

Shapes

Flow

line

Decision

Process

Input / output

Read / Print

Terminal

Shapes

' name

Communi

cation

lines of

the

flowchart

Choose events

& condition of

answer

Yes & No

Input the

arithmetic

process

Used to

input &

output

Start &

End

Functi

on

Start

Result = n1 + n2

Read n1

Read n2

Output the result

End

21

10- The figure show chart for calculating the area and

circumference for a circle given the radius of the circle R:

A=3.14*R*R

C=2*3.14*R

START

END

OUTPUT A

OUTPUT C

READ R

11.The figure show chart for calculating the interest value for

balance with fixed interest rate.


END

Read name, balance, rate

Output

Name, balance, interest

Start

READ R

End

Output A

Output C

Start

A=3.14*R*R

C=2*3.14*R

Start

Start

Read, name, balance,

rate

END

Output name, balance

interest


22

12- - Draw a flowchart for a program that will obtain exam

scores from the user. Determine whether the score is greater

than or equal 50 and display the message “ناجح”.

First: Define the Problem.

Output: Print the word “ناجح”.

Input: The score X.

Solution: If the value of X is greater than or equal 50;

the word “ناجح” will be printed.

Algorithm Flowchart

1-Start

2- Enter the values of X

3- If X> =50 then

3-1 Print “ ناجح ”

4- End

Yes No

13-Make the following statements in order:

( 4 ) Program Testing.

( 2 ) Performing step-by-step instructions (Algorithm).

Start

Enter X

X>=50 "ناجح"Print

End

23

( 1 ) Problem Definition.

( 5 ) Program Documentation.

( 3 ) Program design.

14-State whether the following statements are true ( √ ) or false

( X )

1. Flowcharts use symbols and lines with arrows to represent an

Algorithm. ( √ )

2. You can use any Geometric shape to represent Algorithms

when drawing flowcharts. ( X )

3. Flowcharts can be drawn using software only and can’t be

drawn on paper. ( X )

4.The symbol is used to represent both the start and the

end. (√ (

5.The rectangle symbol represents only on processing

operation. ( X )

6. The flow of steps will always be from top to bottom or from

left to right. ( √ )

7. The symbol is used when a question has more than

one Alternative. ( √ )

8.Two paths (lines) should come out from the diamond .

( √ )

24

9.The line with an arrow (flow line) should be from left to right

or from top to bottom . ( X )

10. The (Algorithm) is the first stage of Problem Solving. ( X )

11-Flowcharts use standard symbols and lines to represent a

problem algorithm. ( √ )

12- The problem means that an objective or output is required

to reach. (√ )

13- Preparing a cup of tea is an example of a problem. (√ )

14- Problem solving is the steps, activities, and processes to be

done to reach an Output or objective. ( √ )

15- Flowcharts are schematic representations which depend on

drawing some Standard symbols to clarify the order of

procedures to solve a problem. ( √ )

16- Flowcharts help to facilitate understanding of the problem,

analyses and convert it to a program. ( √ )

17- The VB.net language is one of the high level languages. (√)

18- The VB.net language is one of Event Driven languages. (√)

19- The VB.net language is the only high level language. ( X )

20- The VB.net language is considered a high level language

because it is easy to Learn. ( √ )

25

21- The VB.net language is used in producing Windows

applications and Web applications. ( √ )

22- The VB.net language is used in producing Web applications

only. ( X )

23- The VB.net language can't be used in producing Windows

applications. ( X )

24- Every Object is characterized by certain properties and

certain behaviour when a certain event occurs on it. ( √ )

25- Events and procedures which belong to any object in VB.net

language are called properties. ( X )

26- The name, the size and colour of an object are all samples of

events that can occur to the object in VB.net language. ( X )

27- The name, the size and colour of an object are all samples

of properties of some Objects in VB.net language. ( √ )

28- The Events are the commands and instructions which are

carried out when a certain procedure occurs to the object in

VB.net language. ( X )

29- The procedures are the commands and instructions which

are carried out when a certain procedure occurs to the

object in VB.net language. ( X )

26

30- Pressing click and D -click are samples of some events that

can occur to an object in VB.net language. ( √ )

31- Framework.net contains Compilers, libraries and runtime

environment. ( √ )

32- Compilers in Framework. Net are considered the

environment of runtime for applications which are produced

in VB.net language.( X )

33- Compilers are programmes that translate commands and

instructions written by the programmer from the high level

language into machine language. ( √ )

34- Object oriented programming languages are the languages

which work through objects that carry out procedures when

a certain event occurs to them. ( √ )

35- All programming languages which carry out a group of

commands and instructions are considered as Event Driven

languages.( X )

36- Visual Studio is considered IDE because it includes a group

of tools, elements and characteristics necessary to produce

applications. (√ )

27


define the direction of Controls from right to left.( √ )


define the state of the Form on the screen in a position of

Maximizing or Minimizing. ( X )

39-Setting the property ControlBox of the Form can control the

Form in a position of Maximizing during

programme.runtime. (X)

40- The property"Name" is used in showing a certain Text in the

title bar of user window a name of the window.( X )

41- The property Text is used in showing a certain text the title

bar of of user window. ( √ )

42- Setting some properties of the Form is applied to Controls

which are placed on the Form. ( √ )

43- The effect of setting the WindowState property of the form

appears only in runtime mode. ( √ )


Form through Size property. ( X )


Form through Location property. ( √ )

28

46- Placing Controls automatically on the Form on the co-

ordinate (0-0) is in the middle of the Form.( X )

47- You can change the size of Label manually if AutoSize=true.

( X )

48- You can change the size of Label manually if AutoSize=

false. ( √ )

49-"Textbox control tool: is the only tool which has the

property passwordChart.( √ )

50- "Textbox control tool: is the only tool which has the

property AutoSize.( X )

51- ListBox and ComboBox share in "Item " property.( √ )

52- ListBox and and ComboBox share in " Suggest " property. (X)

53- GroupBox is the tool used in containg a group of controls,

these controls have the same function on the Form.( √ )

54- ListBox is the tool used in containg a group of controls,

these controls have the same function on the Form.( X )

55- CheckBox can be used on the Form to choose the Gender of

student male or Female. ( X )

56- Combobox is the control tool that allows the user to

choose one element of several elements in the smallest

possible space on the form window. ( √ )

29

Choose the appropriate answer to complete each phrase of the

following:

1- Steps, activities and procedures to be done to reach an

objective or an output - can be called:

a. problem definition b. problem c. problem solving

2- On drawing flowcharts we use:

a. standard symbols and lines b. all geometric figures

c. one geometric figure

3- A set of procedures arranged logically for solving a specific

problem – can be called:

a. problem b. algorithm c. program testing

4- Making sure that the program is free of errors – can be called:

a. program testing b. program documentation

c. algorithm

5- Writing down all the steps taken to solve a problem errors –

can be called:

a. program documentation b. program testing

c. flowcharts

6- Problem-solving approach includes many terminologies, the

terminology that expresses the preparation of a cup juice is:

a. Flowchart b. algorithm c. problem

7- Problem-solving approach includes many of the

terminologies, the terminology that expresses the mathematical

problem is:

a. Algorithm b. problem c. program design

30

8- A schematic representation that depends on drawing some

standard symbols to clarify the order of procedures to solve a

problem can be called:

a. Problem b. algorithm c. flowchart

9- Object Oriented programming language depends on:

a- using Windows applications.

b- using Web applications.

c- objects in computer memory.

10- You can produce Windows applications or Web applications

by using:

a-Objects in computer memory b-VB.net language

c- Properties and Events

11- Characteristics which describe the object such as size, name

and colour are called:

a-Properties b-procedures c-Events

12- Click on Button is:

a-property b-procedure c-Event

13- Commands and instructions which we want to carry out are

called:

a-properties b-producers c-Events

14- The Properties term refers to:

a-Features that describe the object.


31

c-Commands and instructions that are carried out.

15- The Events term refers to :

a- properties that describe the object.



16- The Procedures term refers to:

a-properties that describe the object.

b-Events that can occur to the object.

c-Commands and instructions that are carried out.

17- libraries, Compilers and Environment of runtime of

applications are the most important components of:

a-Object Oriented. b-Event Driven.

c-Framework.net.

18- IDE is called:

a-Visual Basic.net b-Visual Studio. c-Framwork.net.

19- The function of "Right to Left" property of the Form is:

a- define the direction of Control tools from Right to Left.

b-define whether the layout of ControlTools on the Form is

from Right to Left.

c- define the state of the window in a state of maximaizing or

minimaizing.

20-ControlBox property of the Form is helping to:

a- showing or hiding of Maximaizing Box.

32

b- control the appearance of the Form whether it is in

aposition of Minimaizing / Maximaizing / Normal.

c- control the appearance or disappearance of ControlBox in

the Form.

21-The used property in showing a certain Text on the titlebar

of a Form is :

a- Name b-Text c-FormBorderStyle

22-On setting some properties of the Form, they are applied on

Control Tools Which are placed on the Form (one of them

is):

a-Name b-Forecolor c-Text

23- The effect of setting this property doesn't appear unless in

runtime mode (This property is):

a-FormBorderStyle b-Window State c-RightToLeft

24- The property which is responsible for the size, shape and

effect of the Text font shown on the Button is :

a-Backcolor b-Forecolor c-Font


through the following processes except for :

a-drag and drop by the mouse b-setting Size property

c-setting Location property


through :

a- setting Location property b-setting Size property

c-the eight squares around the Button

33

27- On inserting any ControlTool by pressing D-Click from the

ToolBox on the Form , the appropriate place to be shown is :

a-coordinate (0,0)

b-the middle of the Form

c-the position of ControlTool is different according to the size

of the Form

28- The size of Label is defined automatically on the Form if

the property is:

a-AutoSize = False b- BorderStyle= FixedSingle

c- AutoSize=True.

29- You can change the size of control "Label" manually if the

property is :

a- AutoSize = False b- BorderStyle= FixedSingle

c- AutoSize=True

30- The following properties belong to TextBox except for:

a-AutoSize b-MultiLine c-MaxLength

31- The Object TextBox is marked by one property :

a-AutoSize b-Name c-PasswordChar

32- The right value which can be used to set the PasswordChart

of the TextBox is :

a-Pw b-True c-*

33- The ListBox and ComboBox share in this property :

a-Suggest b-Item c-SelectionMode

34

34- The ControlTool which is used in containing a group of

controls that have the same function on the Form is:

a-ComboBox b-ListBox c-GroupBox

35- The Control tool which can be used on the Form to choose

Gender of the student "male"or "female" is:

a-Radio Button b-CheckBox c-TextBox


the user to choose more than one alternatives is :



the user to choose more than one item is :


38- The ControlTool which allows the user to choose one item

of 15 in the smallest possible area on the Form is:

a-ComboBox b-ListBox c-RadioBox

35

Red Button Label1.BackColor = Color.Red Green Button Label1.BackColor = Color. Green

Blue Button Label1.BackColor = Color. Blue

Show (Label1) Label1. Visible =True Hide (Label1) Label1. Visible = False

Property Value Lines of code Multiline True Textbox1. Multiline = True Font Type: Andalus

Size:20 Textbox1.Font = (“Andalus”,20)

Forecolor Blue Textbox1.Forecolor= color.Blue backcolor True Textbox1.BackColor= Color.Yellow

Number indicates

1 Name of the file where codes are saved 2 Name of the file where window is saved 3 The declaration of class: Its name Form1

4 Between the two lines is the place of typing codes for the class Form1.

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