Uses of computer
It is no doubt the computer plays a more and more important role in daily life. So we 'd better to master how to use it. Fisrt, to start computert.A cold boot restores the whole computer and carries out a complete self-test.A warm boot clears out computer memory only.For a cold boot turn your system off and then on.For a warm boot press<ctrl +Alt +Del> while the computeris on.Pressing the reset button on the control console causes system to act as if a cold boot is being performed but the power is not turned off. With computer ,we could do something easily.