How ch is reading string without increment?

Here we’re taking ch, how it’s reading the whole string character by character? I mean it reads single character at a time then how it’s jumping to next character without increment?

Hey this is how it works
cin>>ch will read a char at a time from thee input given

Its similar to
int x;
cin>>x;
while(x!=0){
cout<<x;
cin>>x;
}
Here we are taking one integer at a time from the given input.

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