ircuit) See photonic chip
ontroller) An Intel 8259A chip that controls interrupts. Starting with the 286-based AT, there are two PICs in a PC, providing a total of 15 usable IRQs. The PIC has been superseded by an Advanced Programmable Interrupt Controller, or 82489DX chip, that is enhanced for multiprocessing. See IRQ
A family of 8-bit and 16-bit microcontrollers from Microchip Technology Inc., Chandler, AZ (www.microchip.com). Used in myriad applications, PIC chips come in a wide variety of packages and configurations. PIC originally stood for "Peripheral Interface Controller." See microcontroller
ard) An expansion card that plugs into a router to add network interfaces. PICs may have only one port or multiple ports of the same type.
ode) Instructions that can be placed and executed anywhere in RAM.
A telephone network ID code. See PIC code
Various image formats. See extension P