'https' : 'http'; A computer is an advanced electronic device that receives raw data, processes that data under a well-defined set of instructions, to provide meaningful outputs of that data and stores the output for future use. Here are its advantages and disadvantages: List of Advantages of Computer Networking. The use of computer technology has affected every field of life. It also saves time and effort and reduces the overall cost to complete a particular task. See Also: Uses of Computers in various fields. Different Types Of Operating System Options For Desktops And Mobile. Students can have access to all sort of information on the internet. I will be covering only the 3 types of firewall types, the characteristics of firewalls, types of attacks to an organization, other devices that can be used in place of a firewall. Its parts include the monitor, keyboard, system unit and other input-output devices. This is one of the greatest disadvantages of computers presently. It has brought about drastic changes in every aspect of human existence. //-->