Past Papers of Computer 10th Class Lahore Board 2019 Group-I

Past Papers of Computer 10th Class Lahore Board 2019 Group-I
 COMPUTER SCIENCE GROUP-I (OBJECTIVE TYPE)
TIME ALLOWED: 15 MINUTES MAX. MARKS: 10

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. Which of the following is not a valid subscript:
(A) NUM (10)
(B)  A (2)
(C) B (4)
(D) A (-2)

2. In medium resolution screen mode colors for foreground are:
(A) 1
(B) 2
(C) 4
(D) 16

3. FOR—NEXT is used to implement:
(A) Iteration
(B) Selection
(C) Sequence
(D) All of these

4. Dimension statement uses the keyword :
(A) DMS
(B) DS -
(C) DIM
(D) DM

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

6. Typographical error in BASIC statement are:
(A) Runtime errors
(B) Logical errors
(C) Syntax errors
(D) Execution errors

7. The technique “Divide and conquer” is used to solve:
(A) Simple problems
(B) Complex problems
(C) Large problems
(D) Complex and large problems

8. Press Ctrl + 2 keys for — spacing:
(A) Single
(B) Double
(C) Triple
(D) None of these

9. A file can be organized in the following ways:
(A) One way
(B) Two ways
(C) Three ways
(D) Four ways

10. Which of the following is a type declaration character for integer:
(A) !
(B) %
(C) #
(D) $ -

Past Papers of Computer Science 10th Class BISE Lahore 2019
COMPUTER SCIENCE (ESSAY TYPE) GROUP-I PAPER-II
TIME ALLOWED: 1:45 HOURS MAX. MARKS: 40

(PART-I)

2. Write short answers to any FOUR (4) questions: (8)
(i) Write two limitations of flowchart.
(ii) Define algorithm.
(iii) What is a system command in GW-BASIC?
(iv) Define concatenation operator. .
(v) Define control structure.
(vi) Write the syntax of GOTO statement.

3. Write short answers to any FOUR (4) questions: (8)
(i) Define 2-D array.
(ii) . What is the use of subscript in array?
(iii) What is meant by built-in function?
(iv) What is LEN function? .
(v) In which conditions, DIM statement is used?
(vi) What is meant by data files?

4. Write short answers to any FOUR (4) questions. (8)
(i) Define pixel.
(ii) Write the purpose of color statement.
(iii) What is meant by title bar?
(iv) How can you run the spell checker of MS Word?
(v) What is the use of print preview?
(vi) Write any two characteristics of Microsoft Word.

(PART-II)

Note: Attempt any TWO questions.
5. Define programme. Write any three steps for solving a problem. 8
6. What are operators in BASIC? Also explain arithmetic relational operators. 8
7. What does it mean by transfer of control? Describe conditional and unconditional transfer of control in BASIC. 8