References > Glossary > Terms P - T
| Terms | Definitions |
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| PCMCIA | (Personal Computer Memory Card International Association) The Interface for credit-card-sized adapters that are inserted into a PCMCIA slot usually seen in notebook computers. |
| PDA | (Personal Digital Assistant) A term used for a portable computing device that is usually capable of transmitting data like e-mail or faxes. |
| PING | (Packet Internet Gropher) Software used to test network connections. |
| POP | (Post Office Protocol) A method that allows clients to pick up their mail from the server. |
| POST | To send a message to a newsgroup. |
| Packet | A small group of bytes that contain the data that is sent through a network. |
| Parity | A method of detecting errors in data recording or transmission. |
| Pixel | A point on a computer monitor. The smallest unit of the computer display screen. Used in determining the monitor’s resolution |
| Proxy Server | This computer acts as a stand-in or proxy for the remote server. |
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| Quicktime | A Digital audio and video standard developed by Apple Computer. |
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| RAID | (Redundant Array of Inexpensive Disks) A Data storage system in which multiple hard drives are used to create a redundant data storage system |
| RAM | (Random Access Memory ) The temporary storage that is used to run application programs. The information in RAM is deleted when the computer is turned off. |
| RISC | (Reduced Instruction Set Computer) Microprocessors that have a significantly reduced instruction set. |
| ROM | (Read Only Memory) Memory which data that has been written in advance can be read but cannot be written. |
| RS-232 | Serial wiring standard for connecting data terminal equipment to data communications equipment. |
| Real-Time | Computer processing that appears to take place imediately. |
| Resolution | Measure of the clearity in an image. |
| Router | A Device that connects two or more networks at the network layer. |
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| SCSI | (Small Computer System Interface) A high-level interface for devices such as hard drives, CD-ROM and scanners among others. |
| SMTP | (Simple Mail Transfer Protocol ) A method used to transfer electronic mail between computers. |
| Spam | Act of bombing you with mail. |
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| T-1 | A private line connection capable of carrying data at 1.544 Mbps. |
| T-3 | A private line connection capable of carrying data 44.736 Mbps. |
| Tag | The central element in a markup language like HTML |
| Tbyte | (Terabyte) One trillion bytes |
| Thread | A series of messages about a given topic. |
| Twisted Pair Cable | A pair of twisted copper wires used in networking. |
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