Computer sites have evolved over the years becoming a vital component of modern society. The first operating computer network was created by AT&T in 1958 and transmitted info at a rate of 110 pieces per second. Today, the standard internet connection can be 50 megabits per second and computer system systems are becoming more complex, programmable and secure. Today, systems are used by organizations of all sizes to facilitate interaction and share information.

Computer systems enable enterprise-wide collaboration and enable staff to easily discuss files, sync calendars, and exchange strategies. Today’s businesses often operate across timezones, geographies, and departments. A network permits data for being accessed by simply all relevant parties — from the marketing team analyzing customer data to the CEO analyzing product development cycles – in one central area.

A computer network is a assortment of interconnected computers. It can include computers, ink jet printers, modems, and other devices. Pc networks are used for many techniques from email to online trade and live-streaming. Computer systems can be tiny and contained in an individual room, to massive sites that amount hundreds of kilometers.

Wide Area Networks are the largest form of networks, that may connect computer systems across huge geographical areas. These sites are often linked by leasing telecommunications lines from numerous companies. Because no single company is the owner of all the infrastructure that connects personal computers over a large geographic region, there are many types of WAN. Some systems even extend across areas.