Answer Posted / geetha

#include<iostream.h> is a header file .it helps to perform
the cin,cout statements.
1.iostream-input output stream.
2.cin is like a scanf statement in "C" but it do not need a
format specification.this also called as right in operator
(ie)scanf("%d,%d",&a,&b)
cin>>a>>b
3.cout is like a printf statement in "C" but it do not need
a format specification.this also called as left out
operator
(ie)printf("%d,%d",a,b)
cout<<a<<b

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