Royal International Language School

Computer Revision Sheet (Prep.3) Second Term

Q1: State whether the following statements are true (√) or false (X)

1-The variable name should express its content.	( √ )
2-Dim G As Boolean = False	( √ )
3-Each data type has special storage area in the computer memory.	( √ )
4- Variables of types (Integer & Long & Double) are used to store Integers only.	( X )
5-Is not allowed using the distance in the name of the variable.	( √ )
6-In the assignment statement the value which needs to be stored should be suitable to the variable type.	( √ )
7-When declaring a variable in a certain procedure, this variable can be used in the same procedures only.	( √ )
8-The arithmetic operation between the brackets precedes all the operations.	( √ )
9- User input is received through several controls including TextBox	( √ )
10- Dim Double As Byte = “22”	( X )
11- A2014 is a correct variable name	( √ )
12-“Me” expresses the current “Form“ window.	( √ )
13-(Try Catch) are used in discovering the resulting errors while the program is running.	( √ )
14- (π) value which equals (3.14) is an example for the variables.	( X )
15- One of the Rules for naming variables or constants in the program is: variable names must begin with a letter or a number.	( X )
15-The words (Dim, Integer or Double) can be used as variable names	( X )
16-From Precedence rules is Addition precedes division on program execution	( X )
17-From Precedence operation is that multiplication operation precedes subtraction operation on program execution	( √ )
18-Executing Brackets precedes other operation on program execution	( √ )
19-The internal memory of the computer consists of a group of Bytes.	( √ )
20-Allow the variable name has no sings distance point and the question mark and the exclamation mark.	( √ )
21-Use the word “dim” to declare variables and constants.	( X )
22- The Variables of type (Integer & Long) are used to store integers only.	( √ )
23- Declaring variables is done using the Dim statement.	( √ )
24- The variable of type Double takes the value True or False.	( X )
25-To declare group of variables in one sentence is written is “dim” for each variable.	( X )
26-Be announced constants using inter Const.	( √ )
27-Is allowed using the apostrophe in the name of variable.	( X )
28-Me is a guiding word which expresses the Label.	( X )
29- Object and Boolean are of the variables data types	( √ )
30-The variables type ( Double ) is faster than the variables type ( Single ) in the arithmetic operations	( X )
31-There is no difference between the arithmetic operation and the assignment order	( X )
32-Variable of type integer can store whole numbers from 0 to 255	( √ )
33-Boolean variables stores the values “true” or “false”	( √ )
34-When typing (‘) at the code line this code does not work when starting the program.	( √ )
35- Dim X As Byte = “Sara” is a true code.	( X )
36- The code (Dem Z As Type) causes (Runtime) error	( X )
37- Data can be classified into variable and constant	( X )
38-The variables types (Integer – Long - Short) are used for storing the numbers containing decimals.	( X )

Q2- Complete the following sentences:

1. The variable type Char is used to store single character in it

2- The variable type Boolean is used to when choosing true or false

3- The variables types Single, Double are used for storing the values which contain decimals

4- The variable type Byte is used for storing values in the form of integers and it takes a less space the memory to storing.

5- The result of the arithmetic operation H*3+7 when H = 4 is 19

Q.3- Choose the correct Answer:

1. You can use word …………. To announce the names of the variables in the program.

(Start – Dim – End)

2. The following words of the types of variables except the word.

(Me – Byte – Single)

3. The numeric variable that stores only whole numbers from 0 – 255 is of data type

(Byte – Integer – String)

4. A variable of type (Boolean – Integer – String) stores the values true\false.

5. To store a digit with decimal points (fractions) we use a variable of data type

(Integer – Short – Single).

6. To end “Try … Catch” statement, use:

(Stop Try – End Try – Stop Catch)

7. To store whole numbers only we use a variable of data type (Single – Double - Integer).

8. Use code ……………. To detect errors that occurs while the program is running and handling.

(Catch – End Try – Try/Catch)

9. On executing the equation (4*3+2), the result will be (9 - 20 - 14).

10. The result of the arithmetic operation (2^3+1) is (10 – 16 – 9).

11. When executing the following code: Dim X As Integer = 3/2 , X value is:

( 1 – 1.5 – 0.05 - 2 )

12. The ………….. sign is called the assignment operator.

( “ “ - “ * “ - “ = “ )

13. Using ………… as a variable name will be incorrect.

(23 world war – Birth Day – Double - All the previous)

14. From the statement (H = 22 Mod 7) it appears that (H) value is …………

( A. (H=3) - B. (H=5) - C. (H=1) )

15. After executing the assignment code: N = 21 / (3 + 2 * 2) , N value is:

( 13 – 30 – 3 – [-3] )

16. When executing the code: Dim S As Integer = 6.4 : MsgBox(S), is:

(0.7 – 6.7 – 6 – 7)

17. ………………… error is the result of the user input of incorrect values.

(Syntax – Logical – Runtime)

18. When A = 5, B = 2 the result of (5 * 6 – A ^ B) is …………..

( 5 – 35 – 10 – 50)

19. What is the value displayed in (label) control, when executing the following code:

Dim intNum As Integer = 10

intNum = intNum + 2

intNum = intNum Mod 3

Label1.Text = intNum

1. 3 b) 0 c) 4

20- Assigning values to constants is done:

a) When you declare constants only.

b) During the implementation of program’s instructions.

c) When you declare constants as well as during the implementation of program’s instructions.

21- Select the result of the following Arithmetic expression: 2 * (7+2) - 2

a) 16 b) 14 c) 5

Q.4: Write the programming code for the following:

1. Declaring a constant name “BD” for storing the date “1/1/2010”.

Const BD As Date = #1/1/2010#

2. Declaring a decimal constant “A1” for storing the value 85.50

Const A1 As Single = 85.50

3. Declaring a constant name “D” for storing the value 32000

Const D As Short = 32000

4. Declaring a variable name “U_Name” for storing characters.