Past Papers of Computer 10th Class Lahore Board 2015 Group-I

Past Papers of Computer 10th Class Lahore Board 2015 Group-I
 COMPUTER SCIENCE GROUP-I (OBJECTIVE TYPE)
TIME ALLOWED: 20 MINUTES MAX. MARKS: 12

NOTE: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with marker or pen ink. Cutting or filling two or more circles will result in zero mark in that question.
1. Algorithm is a
(A)  Requirement document
(B)  Design document
(C) Test document
(D) User guide

2. Which of the following short-cut key is used to run a program in GW-BASIC:
(A) F4
(B)  F3
(C) F2
(D) F1

3. Which of the following statement temporarily stops execution of a program:
(A)  BREAK
(B) END
(C) PAUSE
(D) STOP

4. For —-NEXT is used to implement:
(A)  Iteration
(B)  Selection
(C) Sequence
(D) Both A & B

5. Which statement is used to transfer the control un-conditionally:
(A) For
(B) While
(C) GOTO
(D) ON—-GOTO

6. How many Loops are in BASIC:
(A) 2
(B) 4
(C) 5
(D) 6

7. The statement X (30) will reserve memory locations:
(A)  29
(B)  30
(C) 31
(D) 32

8. Maximum numbers of elements per dimension is:
(A)  10
(B)  255
(C) 32767
(D) 300

10. Left $ ("PAKISAN",3) = --------- :
(A)  ‘Pak’
(B)  ‘PAK’
(C) ‘Pa’
(D) ‘Kis’

10. A line can be drawn with the following statement:
(A)  LINE
(B) DRAW
(C) BothA&B
(D) PSET

11. Which short-cut key is used to bold a selected word:
(A)  Ctrl + B
(B)  Ctrl + E
(C) Ctrl + C
(D) CtrI + D

12. Ctrl + X is used for:
(A)  Copy
(B)  Cut
(C) Paste
(D) Redo

Past Papers of Computer Science 10th Class BISE Lahore 2015
COMPUTER SCIENCE (ESSAY TYPE) GROUP-I PAPER-II (SUBJECTIVE TYPE)
TIME ALLOWED: 2:10 HOURS MAX. MARKS: 63

(PART-I)

2. Write short answers to any SIX (6) questions: (12)
(i) Define problem solving.
(ii) Write down two limitations of Flow Chart.
(iii) Why is flow chart designed to solve a problem?
(iv) Define top down design.
(v) List any three rules for writing programs in BASIC.
(vi) Describe keyword of BASIC language.
(vii) Define character set.
(viii) Define variable.
(ix) Describe the use of string variables.
3. Write short answers to any FIVE (5) questions: (10)
(i) Describe the uses of loop.
(ii) Write the types of control structure.
(iii) Describe the usage of control variable.
(iv) Define array.
(v) Why we use DIM statement?
(vi) What is Array Manipulation?
(vii) Describe the use of Array.
(viii) Define sub-program.
4. Write short answers to any FIVE (5) questions. (10)
(i) Write about the meaning of Graphics.
(ii) State the purpose of SCREEN statement is Basic.
(iii) Write about the use of LINE statement in Basic.
(iv) Define the word processing.
(v) Write the use of scroll bar in Word.
(vi) State the use of status bar in Word.
(vii) Write the purpose of Undo command, (viii) What is the use of bullet and numbering?

(PART-II)

Note: Attempt any THREE questions.
5. What is debugging? How many types of errors can occur in a program? 7
6. Describe the structure of program and also describe the four type declaration
character. 7
7. Write a program to print first ten odd numbers using WHILE—WEND Loop. 7
8. Define user defined functions. Explain DEF FN statement. 7
9. Explain the DRAW statement BASIC language. 7

(PART-III)

(Practical Part) Note: Attempt any TWO questions.
A. Write down the steps to insert page number in a document in MS-Word. 5
B. Write a program to find the smaller of three numbers. 5

C. Write a program that reads an array N with 12 numbers and find product of numbers. 5