Pros computers :
became computer role effective and important for human life, there are many advantages and benefits that result from the use of it, including the following: - speed: the use of human computer, he can do what he wants easily and super fast. Multiplicity: the importance of this point is reflected in the ability of the computer to execute and perform millions of commands at the same time, so the computer user can perform many tasks in a period of time not exceeding a few seconds. Cost reduction: no need to budget money in order to save a huge amount of data, the computer can save them in a central database and at low cost. Accuracy: the ability of a computer to perform many, many tasks is paralleled by its ability to perform these tasks very accurately. Connect to the internet: the greatest use of the user's computer can be made by connecting it to the internet, which opens up great options and benefits that can be availed when connected to the internet. Organization of work: the computer organizes the works to be saved, so that they can be searched or even arranged according to a certain approach. Communication with others: the computer provides many ways to communicate with friends and parents through email services and social networks. Entertainment: the computer can be used for many entertainment activities such as watching movies and listening to music.Disadvantages of the computer although the computer has many benefits, but it is not without some disadvantages that may affect its users; the user of the computer may be exposed to some diseases as a result of the use of this device, such as carpal tunnel syndrome (English: Carpal tunnel) that occurs to the person