Technological means of communication by computer network

Computer Network is a system consisting of computer and other network devices that work together to achieve a common goal. The purpose of computer networks, among others :
a. Share resources, such as shared use of printers, CPU, memory, hard drive.
b. Communication, examples of electronic mail, instant messaging, chat
c. Access to information, for example web browsing.
In order to achieve the same goal, every part of the computer network to request and provide services (service). The party requesting the service are called clients (client) that provides services and called the waiter (server). This architecture is called client-server system, and used in almost all computer network applications.
Work Process Computer
Computer is an electronic device that is able to manage data and produce information. All entries received by the computer is called data. Such data may include text, figures, graphs, diagrams, and so forth. Furthermore, the data contained in computer processed using the programming language.

All incoming data will be converted into a binary number that can be read computer virgin. The data has been processed and then converted into a computer information. Information itself has meaning as an arrangement of data is arranged in such a way that has meaning to human understandable.

If we sort the computer information, it will get the velocity of information processing. Turnaround process is started from the user information, input, cpu, output and return to the user again.