With the influx of the technology and digitized systems, we are on the era of boosting skills forcomputer programming as it is the future. Beforehand, let us learn the basics. And it includesthe computer. Computer is an electronic machine that accepts data, stores and processes datainto the information which is the output needed by the end user – Us. There are three generalcategories for computers: Supercomputer, Mainframe Computer and Personal Computer (PC) .1.Supercomputer – The fastest, largest, most powerful and most expensive computer.2.Mainframe Computer – This is a little smaller and less powerful than the supercomputer, but,like the supercomputer it is also expensive.