The software. Most large-format printers make use of raster image processing software or Rips. Most printers have now RIPs as built-in firmware, but technology kinds of fancy printers require standalone RIPs prevented control print queue, trapping, batch processing, halftone screening color separations and other snack food. Ports are where you plug in peripherals. The mouse and keyboard go within their respective vents. Serial ports take in modems. Parallel ports digest printer, scanners, etc, Will be the major now USB ports for USB printers, scanners, digital cameras, therefore forth. Now there are Fire Wire ports t00-but these useful for all those