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| A VGA (Video Graphics Array) port, also called a DB-15 port, is a 15-pin female port that transmits analog video. All older monitors use VGA ports. |
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| An S-Video port is a 4-pin or 7 pin round video port sometimes used to connect to a tv. The 4-pin port is missing extra pins and is the more common type. |
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| A DVI (Digital Video Interface) port transmits digital and analog video. 3 types of DVI ports exist, DVI-D, DVI-A, and DVI-I. |
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| An HDMI (High Definition Media Interface) port transmits digital video and audio from 1 cable and is often used to connect home theater equipment. |
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| A DP transmits digital video/audio and is replacing DVI and VGA. Thunderbolt ports are shaped the same as Mini DP ports. |
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| A network port, also called an Ethernet port, or an RJ-45 port is used by a network cable to connect to the wired network |
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| Audio ports, or sound ports are used for a microphone, audio in, audio out, and stereo audio out. |
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| A S/PDIF (Sony-Philips Digital Interface) sound port connects to home theater audio systems providing digital audio output. |
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| A USB (Universal Serial Bus) port is a multi-purpose I/O port used by many devices. Super-Speed USB 3.0 (blue) is faster than Hi-Speed USB 2.0. |
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| A FireWire port (also called an IEEE1394, pronounced “I-triple-E 1394”) is used for high-speed multimedia devices such as digital camcorders |
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| An external SATA (eSATA) port is used by an external hard drive using the eSATA interface. eSATA is faster than FireWire. |
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| A PS/2 port, or mini-DIN port is a round 6-pin port used by a keyboard or mouse. The purple port is for the keyboard and the green is for the mouse. |
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Definition
| A parallel port, sometimes called a DB25 port, is a 25-pin female port used by older printers. This older port has been replaced by USB ports. |
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| An older serial port, sometimes called a DB9 port, is a 9-pin male port used on older computers. It has been mostly replaced by USB ports. |
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| A modem port, or RJ-11 port, is used to connect dial-up phone lines to computers. A modem port looks like a network port, but is not as wide. |
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Definition
| used by the first ATX power supplies and motherboards |
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Term
| 24-pin or 20+4-pin P1 connector |
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Definition
| the older 20-pin P1 connector still works in this connector |
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Term
| 4-pin and 8-pin auxiliary connectors |
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Definition
| used to provide additional 12 V of power for evolving CPUs |
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Term
| 6-pin and 8-pin PCIe connectors |
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Definition
| connect directly to the video card |
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