Sabado, Marso 10, 2012

The basic parts of a desktop computer



The basic parts of a desktop computer are,


a. Computer Case - The computer case is the metal and plastic box that contains the main components of the computer. It houses the motherboard, central processing unit (CPU), the power supply, and more. It must be well ventilated to avoid the risk of overheating and damage.








b. Monitor - The monitor works with a video card, located inside the computer case, to display images and text on the screen. Newer monitors usually have LCD (liquid crystal display) or LED (light-emitting diode) displays. These can be made very thin, and they are often called flat panel displays. Older monitors use CRT (cathode ray tube) displays. CRT monitors are much bigger and heavier, and they take up more desk space.




c. keyboard - The keyboard is one of the primary ways we communicate with the computer and enter data. There are many different types of computer keyboards such as wired, wireless, ergonomic, multimedia, and more. Although there may be differences in the location of some keys or features, keyboards are very similar and allow you to accomplish basically the same tasks.




d. Mouse -       The mouse is a peripheral that is known as a pointing device. It lets you point to                objects on the screen, click on them, and movethem.
There are two main types of mice: optical and mechanical. Theoptical mouse uses an electronic eye to detect movement and is easier to clean. The mechanical mouse uses a rolling ball to detect movement. Generally, a mechanical mouse is cheaper, although it may require regular cleaning to keep it working properly. Traditionally, a mouse connects to the computer using a USB orPS/2 connection. However, you can also buy a wireless mouse, which can reduce clutter on your desktop.


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