System Monitor and Casing

Monitor

The monitor also called the  visual display unit (VDU) is the visual interpreter between the computer system and the user. Without the monitor, the other parts in operation will be blind. Most monitor range in size from 14 - inches to 21-inches, the actual diagonal length across the visible monitor is in fact usually smaller than the value quoted. When selecting a monitor, it\s worth checking the visible diagonal distance and also the one that supports the highest resolution.

Casing

The casing or computer case is an enclosure that encases all the components of a computer. It is essentially the mounting platform for all the electronic devices that make up the computer. Cases are squares or rectangular boxes, usually being in colour and made of steel aluminum or plastic.     It is the external cover of the computer system that have all internal parts like the drives, mainboard, RAM and so on. There are different types of computer casing, they include the desktop and tower types, which may be minitower, mid tower or full tower.

                     

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