(12" CLASS 12014)
COMPUTER SCIENCE
NEW COURSE
OBJECTIVE
MARKS: 17
NOTE: You have four choices for each objective type question as A , B , C and D. The choice which you think is correct , fill that circle in front of that question number. Use marker or pen to fill the circles . Cutting or Filling two or more circles will result in zero mark in that question. Q.NO.1
Note: Serial No 8 to 17 Ist  question relates to C Language  and lInd question relates to Visual Basic

• Data can be recovered in case of loss by using
  

(A) Master File
(B) Transaction File
(C) Backup File  
(D) Data File

• How many primary keys can a relation have?
  

(A) At least two
(B) Only one
(C) No limit
(D) Three

• Which of the following is not a basic data distribution strategy?
  

(A) Centralized  
(B) Partitioned
(C) Replicated   
(D) Duplicated

• A table that contains the foreign Key is called
  

(A) Parent table 
(B) Dependent table
(C) View           
(D)Index table

• Referential integrity is applied on
  

(A) Primary Key
(B) Foreign Key  
(C)Secondary Key
(D) Candidate Key

• How many table views are available in MS-Access?                    
  

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

• A form is an object of
  

(A) Table
(B) Database
(C) Query
(D) Report

• The statements written by programmer are called

(A) Source code
(B) Object code
(C) Syntax
(D) Debugging

OR

All of the following are examples of controls EXCEPT

(A Property
(B) Label
(C)Textbox
(D) Button

• An identifier whose value can be changed during the execution of the program is called

(A) Token
(B) Siting          
(C) Constant
(D) Variable

OR

Basic was introduced in

(A) 1950
(B)1980           
(C) 1970
(D)1960

• The functions used for input and out put is stored in
  

(A) Stdin.h
(B) Conio.h
(C) Math.h
(D) Tan .h

OR

Data can be entered in a control only when it has

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

• How many variables can be used in one print f ( ) function ?
  

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

OR

Which event detects the pressing of standard displayable character?

(A) Key down
(B) Key up
(C) Key board
(D) Key press

• Which programming structure executes program statements in order?
  

(A) Relation
(B) Decision
(C) Sequence
(D) Repetition

OR

Following keyword is used to declare variable in Visual Basic

(A) Identifier
(B) Sub
(C) Dim
(D) Event

• The case block in switch ( ) structure ends with
  

(A) End select    
(B) Break
(C) End case
(D) Case else

OR

Integer data type in Visual Basic takes

(A) 1 2-Byes
(B) 12-Bytes
(C) 16-Bytes
(D) 4-Bytes

• Which one is a loop structure
  

(A) if ( )            
(B) if ( )- else
(C) switch ( )
(D) for ( )

OR

In Visual Basic 10 Mod 3will result

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

• The do While ( )  loop structure always ends with
  

(A) Comma
(B) Semi colon
(C) Colon
(D) Brace

OR

Which error is not detected by compiler?

(A) Run time     
(B) Logical
(C) Hardware
(D) Syntax

• In C-Language, first line of the function definition is known as
  

(A) Function header
(B) Function body
(C) Argument
(D) Parameter

OR

Visual Basic sib programs are referred to as

(A) Procedures  
(B) Methods
(C) Modules
(D) Function body

• The character conversion may occur in
  

(A) Text Stream  
(B) Binary Stream
(C) Output Stream
(D) Input Stream

(12th CLASS 12014)
COMPUTER SCIENCE
TIME : 3.10 HOURS
(NEW COURSE)
MARKS:83
SUBJECTIVE
SECTION-I
MS ACCESS

2. Write short answers to any Eight (8) of the following questions

• Define information
  
• Define data processing
  
• Describe activities in data processing
  
• Define Entity
  
• List different types of keys
  
• Define Primary Key
  
• Define the purpose of feasibility study
  
• Explain Normalization
  
• Define IDE
  
• List some advantages of IDE
  
• Define Sorting
  
• Define report

3. Write short answers to any Eight (8) of the following questions  8X2=16
(Note: In each option Ist question relates to C - language & 2nd question relates toVisual Basic)

• What do you mean by case sensitive in C-language.
  OR
  What is compiling is Visual Bas?
• Define the term bug and Debug.
  OR
  List out some procedural language.
  
• What is Syntax Error ?
  OR
  List out some procedural language.
  
• Differential between declaring and defining a variable
  OR
  What is a purpose of Val function?
  
• What is the value of x after the following code exectes:
  float x = 3.4 + SQRT (25.0)
  OR
  How are comments added on multiple lines or State the purpose of variable in VB
  
• Give some examples of valid variable names
  OR
  Describe the use of message Box in Visual Basic
  
• Write C statement to print the value of unsigned long x
  OR
  Define sequence in Visual Basic
  
• Give single print statement to print the following message ‘I Love Pakistan’
  OR
  State Relational Expression
  
• Describe clrscr ( ) function
  OR
  Wrtie the syntax of if then statement in Visual Basic
  
• Write the out put fo the following code
  Main  ( )
  {
  Print f(“444\n”);
  Print f (“44”):
  }
  OR
  Which case option is used to test Range of values?
  
• Trace the errors in the following Programs
  Include < Stdio.h>
  Main ( )
  {
  Int a = 10;
  Print f(“%d”,a);
  }
  OR
  What are the logical operator in Visual Basic
  

4. Write short answers to any Six (6) of the (Note: In each option question relates to C - language

• What is Conditional operator
  OR
  What is property Window?
  
• What happens if break is missed in case block?
  OR
  What is code Window?
  
• Trace the Error
  int p,q,r;
  p = 50000,10
  print f (" % d " , p) ;
  
• Trace the out put
  int x = 1; int y=2 ; int z=3;
  if ((x == y) || (y == z) || (z== 2)
  print f (" Yes ")
  else
  print f (" No ;
  OR
  What are the Events of Mouse?
  
• Define While Loop
  OR
  Differentiate between key Press and Key Up Events
  
• Trace the out put .
  K = 0 ;
  While (RC = 5)
  {
  print f (“ % 3d % 3d \ n, K,l0 - K);
  K++
  }
  OR
  What is the Advantage of three letter prefix for controls?
  
• Define function 
  OR
  What is Iteration?
  
• What is local variable?
  OR
  What is meant by Wend in While Loop?
  
• What is text file 
  OR
  Give example of Goto Statement
  

SECTION-II (Essay Tyne)
MS ACCESS

Note: Attempt any one question

5. Discuss different types of relationships (8)
6. What is field property? Discuss d fluent field properties in detail   2+ 6

SECTION-II (Essay Type)

Note: Attempt any two questions. Eitler from" C - Language OR from Visual Basic"  (16)

C-Language

7. Explain High level Language and Low level Language (8)

OR
Visual Basic

What is Visual programming? Discuss its advantages (8)

C-Language      

8. Write a program that input a number and finds  wheter it is even or odd using if-else structure (8)

OR
Visual Basic

Write a program in  Visual  Basic that inputs a number and finds whether ist is even or odd using if-else structure.(8)

C-Language

9. What is While - Loop? Explain it: working with example  (8)

OR
Visual Basic

Explain While - Wend loop in Visual Basic with an example  (8)

SECTION-III
(PRACTICAL)

10. Attempt any three parts from A , B ,C , and D  (5x3 = 15)
(A) Write procedure to create table in wizard  (5)
(B) Write the procedures to add button, check boxes and option batten on the form (5)
(C) Write a program which convert  your age from years to months in C-Language or in Visual Basic (5)
(D) Write a program which display the series 5 10 15 20 25 in C-Language or in Visual Basic (5)
(E) Write a program which add two numbers using function in C-Language or in Visual Basic (5)