Tech Savvy

  Introduction : Digital devices and most especially computer systems have a user interface for inputting data, a processing and an output unit not to mention their  memory and other peripherals. As we all know, the digital systems are made up of electrical/electronic components (these components make a device, and group of devices resulting into a system) and mechanical materials (made with metal and plastics) for its structure and assembly. The input device/system sends in data in a form of electrical signals to the processing and memory units of the computer system and the result (termed as information) is display or send through the output units of the device/system. To answer our aforementioned question, a kind of connectivity (wired or wireless) is needed for one digital system/device to be able to fully communicate with another device/system either in the same network or remotely. The figure below (fig. 1) illustrates a block diagram of a single communication network be