We all can't imagine our life without computer because computer is the one which make our job easier like in banking number of big and small transactions are done by with the help of computer, computer is the one who save huge amount of data, traffic lights are also controlled by with the help of computers. For daily purpose , it become need for every single person..like i do lots of things in my computer like chatting with people, play lots of games, search jobs, research about any topic and a lot more. i don't want to think about if the computer does not exist then what i can do...