ABOUT COMPUTER : By Naitik Singh class 4 A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming . Computers, by our above definition, have been around for thousands of years The computer as we know it today had its beginning with a 19 century. English, Mathematics professor name Charles Babbage. Computer is an electronic machine which takes some input from us and the process data for some purpose. How does a computer work? Knowing how computers after you press the power button is also an excellent way to learn more about your computer. There are mainly 2 types of things in computer. These are: 1. HARDWARE 2. SOFTWARE About Hardware Hardware is thing that we can see or touch it as opposed to software which is abstract and exists only in a virtual world...