Parts of Computer and their Function.

The basic parts of a desktop computer are      the CPU, Monitor, Keyboard, Mouse, and Speaker. Each part plays an important role whenever you use a computer.

              CPU
The CPU is the metal and plastic box that contains the main componentsof the computer, including the motherboard, central processing unit, and power supply. The front of the case usually has an On/Off button and one or more optical drives.CPU come in different shapes and sizes.
MONITOR
The monitor works with a video card, located inside the computer case, to display images and text on the screen. Most monitors have control buttons that allow you to change your monitor's display settings, and some monitors also have built-in speakers.
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 larger and heavier, and they take up more desk space.
KEYBOARD
The keyboard is one of the main ways to communicate with a computer. There are many different types of keyboards, but most are very similar and allow you to accomplish the same basic tasks.
MOUSE
The mouse is another important tool for communicating with computers. Commonly known as a pointing device, it lets you point to objects on the screen, click on them, and move them.
There are two main mouse types: optical and mechanical. The optical mouse uses an electronic eye to detect movement and is easier to clean. The mechanical mouse uses a rolling ball to detect movement and requires regular cleaning to work properly.
SPEAKER
Computer speakers are speakers external to a computer. Speakers contain amplifiers which vibrate to produce the sound. They come in many different forms. Some speakers are already attached to a computer. Some speakers are wireless. They can also work by Bluetooth.

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