There are many reasons can cause vertigo and I also have some experience.During that time I have watched a lot of  books on vertigo.First,this ailment  which usually see in youngster caused by some ear disease.second,if you are too tired,you may also get it happened.Third,if someone is sensitivity to shake,he may get it happened when he go to … Read more
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Management Information System  related to economics, management, operations research, statistics, computer science, and many other subjects.Until now,there are many meanings of management information system.I will give you the meaning which was often used. MIS is a people-driven integrated man-machine system.It uses computer hardware, software, network communications equipment and other office equipment to collect,transmit,process,storage,maintenance and update the … Read more