| All computers have a casing that holds the various | | | | have a power switch or button usually located on the |
| components that enable them to function properly | | | | front of the machine by which to turn it on and off |
| known as a computer tower. Computer towers are | | | | easily. There may also be other buttons to control |
| part of both the office desktop and the personal | | | | internal components such as fans. Many house fire |
| computer systems. These come in a various array of | | | | wire or other ports that access the motherboard as |
| shapes and sizes and can be constructed of plastic, | | | | well as sensors and many lights to alert the user to |
| steel, and various other materials. Sizes can range | | | | information like speed and temperature of internal |
| from the very smallest of mini towers to towers of | | | | components. |
| the largest size and this is dependent upon the | | | | Availability |
| intended use of the computer as well as its individual | | | | Manufacturers offer a wide variety of computers for |
| power. | | | | the home and office. There are many models and |
| Components Within | | | | designs to choose from and the amount of features |
| Typical computer towers contain many common | | | | are endless. Whether choosing a desktop model or a |
| components such as the motherboard, power supply, | | | | laptop design, there is one that is right for any task. |
| and the hard drive. Many other parts are sometimes | | | | Prices will vary from the very basic models to the |
| also contained like the floppy disk drive and optical | | | | very expensive that generally offer more features |
| drives as well as others. Depending upon the shape | | | | such as a greater amount of memory and extended |
| and the size of each tower, parts contained within | | | | warranty. When purchasing desk top systems the |
| may be placed differently in each one. However | | | | towers are generally included in the package pricing |
| most floppy drives are usually placed somewhere | | | | and if something happens to a tower one can most |
| near the front of the tower for better accessibility | | | | generally very easily repair the problem but |
| and most power sources are near the rear of the | | | | purchasing just a new tower is also possible. There |
| tower. | | | | are many office supply stores that offer many |
| Other Features | | | | different brands of computers and computer parts |
| The most obvious features of computer towers are | | | | as well as many retail stores that now carry many |
| those visible from the just looking at the device. All | | | | different models. |