Computer has become a very important part of our lives nowadays. During the past few years, computer has evolved in many ways and is probably without a doubt better than ever before. People are always trying to find something new that put in computer will improve our lives level. Computers can perform calculations much more quickly and accurately than humans. For example, modern computers can perform hundreds of millions of calculations per second. Large amounts of data can be stored in a small amount of space. For example, hundreds of pages worth of text can be stored on a 31⁄2inch floppy disk. Computers can work continuously and perform repetitive tasks well. Unlike their human counterparts, computers do not get bored or tire.
Besides, information system has been with us for a long time, may be as the history of man him self. Then pencil and the clerk dominated the period around 1955. By today standard, data processing was very rudimentary for most organizations because i t was limited to only accounting system, payrolls etc to operate business for ex ample, order processing and invoicing but computer come along with changes.
Businesses, and particularly the marketing aspect of businesses, rely a great deal on the use of computers. Computers play a significant role in inventory control, processing and handling orders, communication between satellite companies in an organization, design and production of goods, manufacturing, product and market analysis, advertising, producing the company newsletter, and in some cases, complete control of company operations. In today's extremely competitive business environment businesses are searching for ways to improve profitability and to maintain their position in the marketplace. As competition becomes more intense the formula for success becomes more difficult. Two particular things have greatly aided companies in their quests to accomplish these