Category: 3. Hardware (220-1001)

Optical drives, such as DVD drives, store and read data with light. Small bumps or discoloration on a disc are read with a laser beam. Optical drives can read from…

VR stands for Virtual Reality. The VR headset determines what you see, to put you into a virtual world. You can interact with the virtual world through motion tracking on…

Monitors provide output from the computer so that we can view the information. Monitors can use a variety of connections like VGA, DVI, HDMI, or DisplayPort. Monitors come in various…

Barcodes are a series of lines with different widths that represent a code. QR stands for Quick Response. QR codes can store more information than barcodes and are often used…

Scanners allow you to digitize a printed document, so that you can get the printed information into your computer. Scanners are usually connected via USB or 802.11 wireless. There are…

A printer provides a physical output from your computer. There are color or black and white output options to print paper documents or photos. Printer capabilities can be extended to…

ESATA stands for External SATA. It’s the SATA standard for external SATA devices. If you need to plug in additional external storage devices, you can use an eSATA expansion card…

If you’d like to add additional USB ports to your computer, you can do so by installing a USB expansion card. Multiple USB interfaces can be added with a single…

If you motherboard didn’t include an Ethernet connection, you can add this functionality by installing a network interface expansion card. Even if your motherboard did include an Ethernet connection, you…

Expansion cards can allow you to have additional audio capabilities. Audio expansion cards are good to have in you’re integrating a set top box or media server on to existing…