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Q. 1 (a) Define the following terms : (i) Inheritance (ii) Encapsulation
Ans.1 (a) Inheritance : Inheritance is the process by which one object can acquire the properties of another object. It is the inheritance mechanism that makes it possible for one object to be a specific instance of a more general case.
Encapsulation : Encapsulation is the mechanism that binds together code and data and keeps both safe from outside interference or misuse.
Q. 1 (b) Name the header files, to which the following built-in-functions belong to :
(i) COs() (ii) setw() (iii) toupper() (iv) strcpy()
Ans.1 (b) (i) math.h (ii) iomanip.h (iii) ctype.h (iv) string.h
Q. 1 © Find the syntax error(s), if any, in the following program :
include
void main( )
{
int R;W=90;
while W>60
{
R=W-50;
switch(W)
{
20: cout< <"Lower Range"<
30: cout<<"Middle Range"<
40: cout<<"Higher Range"<
}
}
}
Ans.1 ©
Line 1: It should be #include
Line 4: Variables should be seperated using commas. It should be int R,W=90
Line 5: Test expression should be in braces. It should be while(W>60)
Line 10: It should be case 20:
Line 11: It should be case 30:
Line 12: It should be case 40:
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