Most things that men died once are either automated for machines to do it or computers to do it. Computer is itself a machine, so why am I separating computer and other machines.Right! Computer is also a machine, no denying that.In that case, human beings are also machines since human body is a machine. It is probably to signify the effort that has been replaced by these modern day super computers. For example, the symbol barcode scanner makes it possible to read 100 scans per second. Can you do it?