Computer is the electronic calculator with which it is possible to accomplish many other types of work faster than calculations. The development of civilization and its rapid progress now has strong influence on mathematics and computer. From the middle of the twentieth century, modern computers began to develop. In 1971, microprocessor innovation led to the rapid development of microcomputers. Different types of personalized computer or PCs are priced at different prices and prices. He has been invented with many types of operating systems, program languages, countless practical package programs, and widespread exposure to computer networks and the Internet and related services and services. Many institutional and non-formal computer education and research institutes have been established and expanded to provide computer education. In recent times, computer-based information technology (IT) has acquired a large part of the business-commerce business and employment has become largely computer based. Computer usage in Bangladesh started in the sixties and nineties. Information Technology is one of the most familiar of today. Beginning of the mid-nineties, information technology has become very popular in this country
