computers

scientific inventions and discovers have made human life easier and more comfortable.Computers are the ones which have added to our comfort and efficiency.They have certainly lessened our burden by saving our time.But they may create problems by making us lazy and displacing the employed ones.Cmputers,as the name is given with 9 alphabets,generally mean commonly operated machine particularly use in technology,Education,Research,and Science.A computer is an electronic device which an perform cetain mathematical calculation and logical operation at a very high speed.`Hardware`refers to the physical parts of a computer- the monitor,the keyboard, the mouse,the hard disk and central processing unit(CPU),the brain of a computer which performs calculation and manipulates data.The monitor,known as screen or visual display unit looks like a television screen that displays what is done on the computer.The keyboard functions like a typewriter.The mouse is a hand-held pointing device that is dragged onto a flat surface to perform various things on the monitor. The hard disk is capable of holding tremendous amounts of information in spite of its tiny size.