You can carry it in any place you want. You can easy access the Internet in it. It can provide you all the facility as the Desktop provide. You can connect it with the wireless devices also.

A Software is the collection of instructions, Programing or codding, which we can only see, Feel or can imagin about it`s logic.   A Hardware is the Physical component of the Computer system, Which we can touch.   A people is the user that interface between the computer hardware or computer software. 

RST 7.5, RST 6.5 & RST 5.5, these are the Hardware Interrupts. These are also called Vector interrupt or restart interrupt. RST 7.5 is the positive edge sensitive and RST 6.5 or RST 5.5 is lable sensitive.