External Hardware refers to the physical elements of a computer. They are also referred as the machinery or the apparatus of the computer. Some examples of External hardware in a computer are the keyboard, the monitor, the mouse, and the Headphones. Though the design of external hardware varies between desktop PCs and laptops due to their differences in size, the same core components will be found in both. Without hardware, there would be no way of functioning the essential software that makes computers so useful.
Some of the external hardware are listed below!
The monitor is a hardware device that displays the video and graphics information generated by the computer via the video card. Monitors can also be called video display units, video display terminals, or simply as screens. Older monitors were bulky and built using cathode ray tubes, but nowadays they normally use LCD technology and are lighter and thinner.
The keyboard is a typewriter-style device that enables users to interact with their computers. Users input text, characters, and other commands by pressing special buttons known as keys. Though the keyboard is usually considered to be an external hardware component, it is an important part of most computer systems.
The computer mouse is a hand-held pointing device used to manipulate objects on a computer screen. The advanced mouse is able to direct a cursor using visual sensors. Most of the mouse has two buttons (left-click and right-click), and a scrolling wheel.
A joystick (also known as control column) is an input device that is used to control computer games. Joysticks are also used to control various vehicles, such as airplanes, trucks, wheelchairs, surveillance cameras, and unmanned underwater vehicles.
Headphones are a hardware output device used to listen to the audio. They plug into a computer line out or the speakers. They enable the listener to enjoy music, movies, or other audio in private and without disturbing the people around them.
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