Introduction of computers
   Introduction to computers   In this article   What  are computers?    Types of  computers    What  can you do with computers?       Are you new to computers? Do you wonder what they do and why you  would want to use one? Welcome—you're in the right place. This article gives an  overview of computers: What they are, the different types, and what you can do  with them.      What are computers?   Computers are machines that perform tasks or calculations  according to a set of instructions, or programs . The  first fully electronic computers, introduced in the 1940s, were huge machines  that required teams of people to operate. Compared to those early machines,  today's computers are amazing. Not only are they thousands of times faster, they  can fit on your desk, on your lap, or even in your pocket.   Computers work through an interaction of hardware and software.  Hardware  refers to the parts of a computer that you  can see and touch, including the case and everything inside ...
 
 
 
