IT in Businesses. Week Six Essay Example | Topics and Well Written Essays - 500 words

IT in Businesses. Week Six - try ExampleIt began with the Harvard Mark I electromechanical calculator in serviceman War Two weigh five tons and 50 feet long. It was then replaced by the 30 ton Electronic Numerical planimeter and Computer, having 18,000 vacuum tubes and occupying a large space. The invention of the transistor in 1947 gave way for the development of smaller, powerful and to a greater extent resourceful computers. Input-output tools changed to magnetic tape from punch cards, and new computer languages were developed to interact with the new applied science (Laudon & Laudon, 2010).The second stage started in the 1970s when processors on chips and magnetic discs were built. They decentralized computing power from extensive data centers to smaller offices. Steve Jobs and Steve Wosniak sold Apple II machines and Bill Gates founded Microsoft. IBM launched the Personal Computer in 1981 (OBrien, 1999).The third stage involved embedding microprocessors in electronic produ cts. As the complexity of technology grew and the costs reduced, the pick out for information sharing within enterprises also increased, giving rise to client/server era in which networked computers could penetration shared information on a server (OBrien, 1999).The fourth stage of IT evolution originated from the US Department of Defense. It enabled high speed networks and coupled portions of the business enterprise together giving information access encircling the entire management structure. Universities linked up to this system and used it to deliver messages. The US study Science Foundation and several universities set up their own networks, leading to the onset of the popular World Wide Web and broadband (Laudon & Laudon, 2010).The fifth, which is the latest stage, is the wireless one and includes cloud computing. It incorporates the use of cell phones and wireless fidelity networks. It gives rise to high levels of mobility independent of location, configuration and nature of the hardware. This phase began with the invention of the mobile phone. It