Sender ID: The informal name for a new anti-spam program combining two existing protocols: Sender Policy Framework and CallerID. SenderID authenticates email senders and blocks email forgeries and faked addresses.

 

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Sender ID: The informal name for a new anti-spam program combining two existing protocols: Sender Policy Framework and CallerID. SenderID authenticates email senders and blocks email forgeries and fake . . . View Full Definition

Personal Video Recorder (PVR): Pvrs are digital devices that use a hard drive instead of videotape as the recording medium. Pvrs blend the features of a VCR with the programmability and storage of a computer.

Personal Information Destination (PID): There are millions of pages of information on the web, but if you are looking for a specific item, there is only one page -- or very few -- that contains exactly the information you need. Th . . . View Full Definition

Personal Identification Number (PIN): A code used by a mobile telephone number in conjunction with an SIM card to complete a call.

Pesticide: A substance used to kill, control, repel, or mitigate any pest. Insecticides, fungicides, rodenticides, herbicides, and germicides are all pesticides. Environmental Protection Agency regulat . . . View Full Definition

Pesticide Data Program (PDP): A program initiated in 1991 by the Agricultural Marketing Service to collect pesticide residue data on selected food commodities, primarily fruits and vegetables. PDP data are used by the En . . . View Full Definition

Pesticide Resistance: The evolutionary capacity of pests exposed to a pesticide to develop resistance to that pesticide. Some genetically engineered crops now being marketed are accompanied by pest resistance man . . . View Full Definition

Pesticide Residue Tolerance: The amount of pesticide residue allowed by regulation to remain in or on a food sold in interstate commerce. Whenever a pesticide is registered for use on a food or a feed crop, a tolerance . . . View Full Definition

Pesticide Recordkeeping Program (PRP): Authorized by the FACT Act of 1990, the program requires that private pesticide applicators keep records of the pesticides they use in agricultural production and that the records be surveye . . . View Full Definition

Persistent Pesticides: Pesticides that do not readily break down in the environment. Becoming long-lived components of the ecosystem, these chemicals may have enduring effects at low concentrations or may bioaccum . . . View Full Definition