Computer class-8
Lesson - 1 Fundamental Knowledge of Computer 1.Computer is considered as a powerful machine among man-made tools. 2.Computer plays an important role in our daily life. Currently, computers are used in almost every work area, such as:- Schools, colleges, government and non-government offices, police, army, hospitals, banks, etc. 3.A computer is an electrical machine. It takes the input data from the user and processes it to give a meaningful output or result. The word computer comes from the Latin word computare. Which means to calculate. Early computers are special. Those computers were used to do complex calculations. Access to computers was limited only to senior scientists and engineers. These computers were very expensive and used only by large organizations. Due to the development of technology, computers have been able to reach the common people. By using microprocessors in current computers, it was possible to make them small and portable. Today's computer has