| A | B |
|---|
| 6-in mini-DIN | keyboard and mouse connectors introduced on the IBM PS/2; also known as PS/2 connector. |
| Cable lock slot | A small metal-reinforced hole found on most laptops made for locking the device to a table or other secure location. |
| Centronics | 36 pin connector used on the parallel printers and cables. |
| DIN | AT keyboard port or connector. |
| eSATA | External connector made for competition with USB and FireWire and designed for hard drives and other storage devices. |
| Firewire | The IEEE 1394 standard for transferring digital audio and viedo. |
| I/O port | Any port for transferring data intoand out of the computer. |
| KVM Switch | Device for connecting one keyboard, mouse and video adapter to several computers. |
| Parallel | Transmits 8 bits side by side at the same time. |
| PATA | Peripheral component standard used for hard drives and other storage devices. |
| PS/2 | Small round connector with 6 pins used for keyboard and mouse connections. |
| RJ-11 | Connector used to attach an ordinary phone line to a modem. |
| RJ-45 | Connector used to attach a twisted pair networkcable to a computer or other network. |
| RS-232 | Serial standard developed by the TIA/EIA that is used by the COM port. |
| SATA | Peripheral connector type for hard drives and other storage devices. |
| SCSI | Peripheral connector type that uses a host adapter to connnect 7 or 15 devices to a computer. |
| Serial | Transmits 1 bit at a time. |
| Touch screen | Type of display that accepts input from your finger or a stylus pressing on it. |
| Trackball | Inverted mouse-like input device where you roll a ball on the top of the device to move the cursor around on the screen. |
| USB | Standard designed to interface up to 127 daisy-chained devices. |
