Computer Science
Lahore Board 2015
Inter Part-II
Time: 20 Min.
Objective Type
Marks = 17
NOTE: Four possible answers  A , B , C and D to each questions are given. The choice which you think is correct, fill that circle in front of that question with marker or ink pen in the answer-book. Cutting or filling two or more circles will result in zero mark in that question.

(MS-ACCESS)

• The manipulated and processed data is called:

(A) Data                     
(B) Information
(C) Object                    
(D) Instance

• Insert common is used to insert:
  

(A) New table             
(B) New record
(C) View                     
(D) Dependencies

• Which is the following is used to associate entities with one other:
  

(A) Entity                  
(B) Attribute
(C) Identifier              
(D) Relationship

• In 3NF, which form of dependency is removed:
  

(A) Functional           
(B) Non-functional
(C) Associative           
(D) Transitive

• A database consists of various components called:
  

(A) Tools                     
(B) Properties
(C) Entities                  
(D) Objects

• How many tables view are available in Microsoft access:
  

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

• A form within other from is called:
  

(A) Sub-form              
(B) Main form
(C) Multi-form 
(D) Inner form

C-Language  OR     Visual Basic
(C-language)

• Variable are created in:
  

(A) RAM            
(B) ROM
(C) Hard disk       
(D) Cache

• Which is the following is not a valid identifier:
  

(A) Return               
(B) My Int
(C) My integer        
(D) Total 3

• Which is the following function is used to input in C-programs:
  

(A) Scanf                  
(B) Print
(C) Get                       
(D) Sqrt

• An ampersand (&) before the name of variable denotes:
  

(A) Actual value       
(B) Variable name
(C) Address               
(D) Data type

• Another term of computer making of decision is:
  

(A) Sequential                      
(B) Selection
(C) Repetition                 
(D) Iteration

• Relational operator allows us o----------numbers:
  

(A) Compare              
(B) Add
(C) Multiply              
(D) Divide

• One execution of a loop is known as a (n):
  

(A) Cycle                  
(B) Duration
(C) Iteration               
(D) Test

• In which loop the condition comes after the body of the loop:
  

(A) While loop                 
(B) Do-while loop
(C) For loop                       
(D) Both B and C

• Function prototype for built-in functions are specified in:
  

(A) Source file               
(B) Header file
(C) Object file                 
(D) Image file

• A file is stored in:
  

(A) RAM                           
(B) ROM
(C) Hard disk                     
(D) Cache

OR
(Visual Basic)

• How many possible solution are there for a problem:

(A) Multiple                            
(B) One
(C) Two                                  
(D) Three

• In Visual Basic, a form is another name for a (n):

(A) Window                              
(B) Object
(C) Property                              
(D) Label

• The naming prefix for a label control is:

(A) lbl                                       
(B) lab
(C) lbe                               
(D) l

• You can enter data in a control only when it has:

(A) Tab order                              
(B) Mask
(C) Focus                                    
(D) Control

• How many bytes are occupied by integer data type in visual basic :

(A) 4                            
(B) 2
(C) 6                           
(D) 8

• The default message box style is:

(A) OK/Only                       
(B) Yes/No
(C) Yes/No/Cancel                 
(D) Retry/Cancel

• A statement block can consist of how many lines:

(A) 0                           
(B) 2
(C) Unlimited                      
(D) At most 255

• The loops which never ends is called:

(A) Running loop                 
(B) Infinite loop
(C) Continuous loop                
(D) Endless loop

• The increment in For-------Next loop can be:

(A) Positive only                               
(B) Both A and C
(C) Negative                                
(D) None of these

Computer Science
Lahore Board 2015
Inter Part-II
Time: 3:10
Essay  Type
Marks = 83

SECTION-I
(MS-ACCESS)

2. Write short   answer any Eight (8) questions:  (16)

• Differentiate between data and information.
  
• List different activities in data processing.
  
• Define database system.
  
• Define entity
  
• Who is data administrator?
  
• Define an attributes. Give an example.
  
• Define the term redundancy .
  
• Write down the two advantages of IDE.
  
• Define query.
  
• Describe text data type.
  
• Distinguish between primary key and foreign key.
  
• Write down the table view available in access

C-Language

3. Write short answers to any EIGHT (8) questions:  (16)

• What is the use of ‘include’ pre-processor directive?
  
• What is the use of semicolon in C-language?
  
• Define run time error.
  
• What is the error in following statement: int x – 0 ; y = 0;
  
• Define variables.
  
• Write down the two rules for naming variables.
  
• Define compound assignment operator.
  
• Correct the following statement.
  printf (Hello World);
  
• Write down output of the following code:
  Printf (“C programming is\t easy)
  
• Write down output of the following code:
  Int x = 10;
  Printf(“%f”,x);
  
• Write down the syntax of scanf ( ) function.
  
• Define field-width.

(Visual Basic)

3. Write short answers to any EIGHT (8) questions: (16)

• What is IDE?
  
• Define toolbox.
  
• Define the purpose of Name property of a VB control.
  
• Differentiate between design time and run time.
  
• Write down the names of four commonly used VB controls.
  
• What is implicate or default declaration in Visual Basic?
  
• What is meant by hiding a form?
  
• What are keywords?
  
• What is code window?
  
• What is flow chart?
  
• How are event procedures named?
  
• What are check box controls?

C-Language

4. Write shoat answers to any six (6) questions : (12)

• What is conditional operator?
  
• Why break statement  is used in a switch () structure?
  
• Trace the errors in the following code:
  Int word= 10
  If (word! =10)_
  Word = 0
  Else;
  Word + =2
  (iv) What is the output of the following code:
  Int x,y;
  x=5
  y=x;
  if(x < y)
  printf ( “Hello”)
  else
  prinf (“Pakistan”)
  
• Differentiate between While loop and Do While loop.
  
• Make a flowchart of For loop.
  
• Define built in a function.
  
• Compare local variable with global variable.
  
• Define file pointer.

(Visual Basic)

4. Write shoat answers to any six (6) questions: (12)

• Write down the syntax of select---case structure.
  
• Which cap option is used to test relational values?
  
• How many times do the following loop executes:
  I =10
  DO WHILE I >1
  I=I – 1
  loop
  
• What is Do While loop in VB?
  
• Draw a flowchart of For-----Next loop.
  
• Define nested loop in VB.
  
• List advantages of an array.
  
• What do you mean by selection sort?
  
• State the purpose of Timer Control.

SELECTION-II
(MS-ACCESS)

Note: Attempt any one question.

5. Explain different types of relationship with example.  (8)
6. Explain different data types available in MS-Access. (8)

SECTION-III

Note: Attempt any TWO description answer (either from “C-Language” or form “Visual Basic “)  of the following questions.

7. What is language processor? Discuss its different types.
8. Write a program that input marks from user and display ‘pass’. If marks are greater of or equal to 40 otherwise ‘fail;?
9. What are loops? Discuss different loops provide by C.

OR
(Visual Basic)

7. What is object oriented programming language? Explain briefly.
8. Write a click event procedure to input marks and message box to display either ‘pass’ or ‘fail’. If marks >=40 or marks ,40?
9. What are loops? Discuss while-wend loop in detail

SECTION-IV(Practical Part)

Note: Attempt any THREE questions.

• Explain the procedure for creating table in MS-Access.
• Write a procedure for creating form in design view.
• Write a program in C language or Visual Basic that input a string and displays it o the screen.
• Write a program in C language or Visual Basic that inputs a number and displays whether  it is even or odd by using logical operator, using function.
• Write a program in C language or Visual Basic that displays product of all odd numbers from 1 to 10 using FOR loop.