Answer:
how do we answer that question when there is no choices to chose from
Explanation:
A pro of HCI technology is that its user friendly and a con about it is that you have to teach the user what to do or guide them!
Answer:
The buffer has room for 499 characters (you always have to reserve 1 for the terminating \0 character).
The code copies all characters passed in the commandline (argv[1]) into this buffer without checking. If there are more than 499 characters supplied, these will be copied into a memory location that is not intended for it. This will probably cause your program to crash, but if the extra data is somehow executed by the processor as if it were a program, this could be a way to sneak a virus into your computer.
So, while copying data, it is important to always limit the maximum amount to the allocated space.
Answer:
Encapsulation is an example of variables
