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The term "computer hardware" can be used to describe literally thousands of computer-related components. Generally speaking, computer hardware can be anything to do with a computer that is a physical object, or something you can touch. Conversely, the term "computer software" describes computer programs or games.
The most common things people consider computer hardware to be are internal or external components of a computer. An example of internal computer hardware is a hard drive, CPU, or RAM. Objects such as keyboards, mice, and printers are considered external computer hardware.
Many people find the need to buy internal computer hardware when upgrading a computer. When someone upgrades a computer, he or she is using a new piece of computer hardware to increase or enhance the performance of the machine. An example would be buying some extra RAM to speed up a sluggish computer, or adding a second hard drive to store more movies and games.
External computer hardware can be used to allow the computer to function is a way it previously couldn't. For example, one might buy a scanner to copy photos to a computer, or buy a joystick to add realism to flight simulator games. However, an external computer hardware upgrade might be as simple as buying a new wireless mouse to eliminate the cable connecting to the computer.
When it's time to buy computer hardware, most people turn to computer hardware suppliers and distributors. These computer hardware stores might be Internet stores or local shops in your area.
One very common aspect of computer hardware is networking hardware, which describes any hardware components used to connect a computer to the Internet or other computers. For example, a wireless network card allows laptop computers to connect to the Internet from any online hotspot, or router connection. Another example might be Ethernet cables, which allow computers to connect to each other, or to a cable modem in order to surf the Web.
If you're in the market for new computer hardware, be aware that most hardware is available used or refurbished. Sometimes used and refurbished computer hardware works just as well as new hardware, but it's available for a fraction of the price. However, most used hardware will not come with and warranties or return policies.
To get the best deal when buying computer hardware, don't buy more than you need to get the job done, and be sure to compare prices from a variety of retailers. With just a little knowledge and money, you can upgrade or enhance your existing computer to make it perform like never before!
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