MARKING SCHEME Subject: Computer Science Class: XII (2017-18) - Edufever
MARKING SCHEME
Subject: Computer Science
Class: XII (2017-18)
Time: 3 Hrs.
M.M.:70
Instructions:
(a) All questions are compulsory,
(b) Answer either Section A or Section B:
(i) Section A
-
Programming Language with C++
(ii) Section B
-
Programming Language with Python
(c) Section C is compulsory.
SECTION ¨C A (C++)
Q.
Part
Question Description
Marks
(a)
What is the role of a parameter/argument passed in a function? Can a default value be
No.
Q1.
2
assigned to a parameter(Yes/No)? If yes, justify your answer with the help of a suitable
example otherwise give reason.
Ans
Parameters/arguments are values passed in the function for the attributes which are
required by the function to work and provide desired output.
Yes, an argument may be assigned a default value.
E.g.
int Sum(int a, int b=10)
{
//Here b is given a default value of 10
return (a+b); }
void main()
{
int x=5;
-
cout ................
................
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