| A | B |
|---|
| Serial Transmission | data sent/received 1 bit at a time |
| Parallel Transmission | data sent/received 1 byte at a time |
| Crosstalk | Interference caused by "leaks" from a nearby communication signal |
| PS/2 Port | a round 6-pin port used to connect keyboards and mice to PCs |
| Mini-DIN | another term for a PS/2 port |
| Pinout | a diagram of wire termination to connector pins |
| Synchronous Transmission | keep the receiver's clock synchronized w/ the transmitter's clock |
| Asynchronous Transmission | transmitter that embeds clocking pulses in the data line |
| Framing | process using start, stop, & parity bits to verify asychronous transmission |
| Data Rate | number of bits/second of data transmitted |
| Baud Rate | number of signal changes that a data transmission line makes in one second |
| Handshaking | signals transmitted back and forth over a communications network that establish a valid connection between two stations |
| RS-232 | serial communication standard that describes how to connect computer terminals to modems |
| Centronics | parallel port standard that uses a 36-pin connector to connect to the printer, and a DB-25 connector to connect to the PC |
| EPP | Enhanced Parallel Port. newer generation of parallel port standard that offers high throughput (10x faster Caentronics) used mostly by non-printer peripherals |
| ECP | Extended Capabilities port. Newer generation parallel port standard that provides high throughput. Used mainly by newer generation printers and scanners |
| USB Standard | Universal Serial Bus. hardware interface for low-speed peripherals such as mouse, keyboard, joystick, scanner, printer, and telephony devices |
| Isochronus | uses a single devuce for clocking and all other devices set their internal clocks to this one device |
| SIE | Serial Interface Engine. USB module responsible for bus protocol |
| Root Hub | USB mudule used to expand number of USB ports |
| FireWire | a hig-speed serial bus developed by Apple and TI that allows for the connection of up to 63 devices |
| IEEE | Institute of Eletrical and Electronics Engineers. Organization of scientists, engineers, and students of electronics and related fields whose technical and standards committees sevelop, publish, revise computing and telecommunication standard |
| Hot Swap | to change out a device without needing to power down the PC during installation or removal of the device |
