Essay On Computer Ing

Computers have been dominating the technological scenario since the seventies.This wonderful machine has not only won over the hearts of billions but also it has entered all walks of our lives.

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It is very slow to access menus and not flexible when you want to move objects around the screen Difficult for people unable to use keyboards through paralysis or muscular disorder.

Mouse A mouse is the most common pointing device that you will come across.

It corrects the answers and then goes on to the more difficult questions. In it, moving rays of light from a laser lens are used.

The typing is very fast and accurate as well as beautiful and in different forms.

In the advanced countries, instructional computers are used in two ways to provide a direct presentation of data (facts) or to act as a teacher to test the understanding and knowledge of the student.

The computer asks student questions and then gets ready answers.Thus, composing on computers has brought about a revolution in high-grade typing and printing.Interesting use of computers is in music, to compose different new musical tunes and tones from some given sounds stored in them.Different patterns or designs of cloth and decoration objects can be had on computers.The use of computers in education started in the 1960s.The mouse monitors how far the ball turns and in what direction and sends this information to the computer to move the pointer. Computers are nowadays very widely used in business, industry, science, education, medicine, travel and other fields of human activity.It is used to guide and control the movements of ships, airplanes, and spaceships.It is used to design buildings, roads, playgrounds, marketplaces, parks, and so on.In industry, it is used to control different manufacturing (production) operations and machine tools.In hospitals, it is used to arrange and control laboratory and hospital instruments and medicines.