14. The Bus

• The bus is used to carry information between the different components

  • Data and address bus are internal and parallel

  • Internal buses: ISA, EISA, MCA, PCI, VESA, PCMCIA, SCSI, IDE, EIDE, DMA/ATA, Serial ATA (SATA)

• External bus attaches the computer to external peripherals

  • Parallel bus: Centronix (printers)

  • Serial bus: EIA-RS-232, USB, IEEE 1394 (Firewire), V.35, RJ-11, RJ-45