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CBSE AISSCE 2016-2017 Marking Scheme for Computer Science
(Sub Code: 083 Paper Code 91 Outside Delhi)

I2.Status()

Ans Output
101 : Pad # 125
102 : U Clip # 150
105 : Thumb Pin # 35

( 1 mark for each correct line of output)

NOTE:
●Deduct ½ Mark for not writing any or all ‘:’ / ‘#’ symbol(s)
●Deduct ½ Mark for not considering any or all line breaks at proper
place(s)
(f) What are the possible outcome(s) executed from the following code? Also 2
specify the maximum and minimum values that can be assigned to variable N.
import random
NAV = ["LEFT","FRONT","RIGHT","BACK"];
NUM = random.randint(1,3)
NAVG = ""
for C in range(NUM,1,-1):
NAVG = NAVG+NAV[I]
print NAVG

(i) ​BACKRIGHT (ii) ​BACKRIGHTFRONT

(iii) ​BACK (iv) ​LEFTFRONTRIGHT

Ans (i) BACKRIGHT
Max value 3 and minimum value 1 for variable NUM

OR

I or N not defined

OR

; wrongly placed in line 2

(1 mark for mentioning the first option)
NOTE: No marks to be awarded for writing any other option or any other
combination

(½ mark each for max and min values of NUM)
OR
(Full 2 Marks for mentioning the specific error(s))

2 (a) List four characteristics of Object Oriented programming. 2
Ans ● Encapsulation
● Data Hiding
● Abstraction
● Inheritance
● Polymorphism

(½ mark for naming each characteristic - upto 4 characteristics)
(b) class Exam: 2

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