A computer is a collection of machines. These machines are operated by a central control unit. These machines can read information. They can store it for law use. mother board, processor, RAM, monitor, key board, mouse, CD ROM and floppy drive are the main components of a computer. Life has become very quick in this age. Computer can do a task much quicker that a man. thus, it has become very important. It is used in every field of life. In industry, it keeps a record of goods, cost and output. It provides a great deal of help in engineering. It designs buildings of all kinds. in medicine, it helps to perform various tests. in space, sea and earth explorations, it collects information. In the field of education it has performed wonders. Various universities of the world are linked through computers. It is because of computer that the world has become a global village.www.itexpertteam.blogspot.com
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