Past Papers of Computer 10th Class Lahore Board 2017 Group-II

Past Papers of Computer 10th Class Lahore Board 2017 Group-II
 COMPUTER SCIENCE GROUP-I (OBJECTIVE TYPE)
TIME ALLOWED: 15 MINUTES MAX. MARKS: 10

1. Program upgradation refers to
(A) program enhancement
(B) program identification
(C) program development
(D) program implementation

2. Which of the following tasks are performed by most of the algorithms?
(A) input
(B) output
(C) processing
(D) all of these

3. GW-Basic can operate in
(A) one mode
(B) two modes
(C) three modes
(D) four modes

4. If two or more statements are written on a line they must be separated by a
(A) colon
(B) semi colon
(C) comma
(D) hyphen

5. Which of the following is not a logical operator?
(A) AND
(B) OR
(C) NEITHER
(D) NOT

6. There are types of array.
(A) 1
(B) 2
(C) 3
(D) 4

7. The statement x(30)will reserve   memory locations.
(A) 29
(B) 30
(D) none of these

8. LEFTS(“Pakistan”,3) is equal to
(A) ‘pak’
(B) ‘PAK’
(Q‘Pa’
(D) ‘kis’

9. Number of background colours in basic is
(A) 4
(B) 8
(C) 12
(D) 16

10. Which keyboard shortcut is used for double underline?
(A) Ctrl+Shift+D
(B) Ctrol+I
(C) Ctrl+Shift+M
(D) Shift+F3

Past Papers of Computer Science 10th Class BISE Lahore 2017
COMPUTER SCIENCE (ESSAY TYPE) GROUP-I PAPER-II (OBJECTIVE TYPE)
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 Flow chart.
(ii) What is syntax error?
(iii) Define Bugs and debugging.
(iv) What is problem identification?
(v) Write purpose and syntax of AUTO command.
(vi) Differentiate between CLS and CLEAR command.

3. Write short answers to any FOUR (4) questions: (8)
(i) What is difference between GOTO and ON-GOTO statement?
(ii) What is nested loop?
(iii) Explain menu bar.
(iv) What is status bar?
(v) What is shortcut key of cut?
(vi) Explain line spacing.

4. Write short answers to any FOUR (4) questions. (8)
(i) Define filling of an array.
(ii) State types of array.
(iii) Explain numeric function.
(iv) State syntax and purpose of FIX function.
(v) State high resolution graphic mode.
(vi) Explain LINE statement.

(PART- II)

Note: Attempt any TWO questions.
5. Define variable. Also write rules for naming variables in GW-BASIC. 8
6. What is loop? Explain its types. 8
7. What is subroutine? Explain it with the use of GOSUB and RETURN statements. 8