The computer, is a computer with limited weight and dimensions for easy transport2. The computer has the same types of components as a typical desktop computer, including a screen, speakers, and a physical keyboard. Since the years 2010, most additionally have an integrated webcam and a microphone preinstalled. The computer is equipped with an accumulator, or battery, rechargeable by means of an outlet. The computer is used in education, and study, and it has become one of the most effective methods, used in the fields of security systems , used it in the entertainment fields, it is also used to store data . My opinion is that the computer is the most used device in the modern era and you cannot do anything without a computer even in your work, so you need a computer greatly to finish the tasks that are assigned to it in your work