Communication has become an indivisible part of computers. A personal computer, when connected by a telephone to other computers located at far away places, becomes a very powerful tool. Telecommunication technology offers a cost-effective and fast means of transferring information from one place to another. The power of telecommunication and computers complement each other. Telecommunication links computers in transfer of data. Computers control the various telecommunication devices. With the growth in telecommunication in the modern day, we should soon be able to achieve a lot of break-throughs in the near future.