(1) Refers to any in a family of dot-matrix printers that Apple offers for the Macintosh computer. Laser printers for the Macintosh are called LaserWriters.
(2) A means of programming semiconductor devices after they are already mounted on a circuit board. The programmer, designed by Data I/O Corporation, has device-specific algorithms for microcontroller or programmable memory devices, and these algorithms are used to serially write a binary image into the programmable array on the device, using serial interfaces such as SPI, I2C, or RS232.
