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v AC                  : Alternating current

v  ALU                : Arithmetic and logical unit

v  CD-RW          : compact disk re-writable

v  BIOS               : basic input and output system

v  CPU               : central processing unit

v  FDD                : floppy disk drive

v  HDD               : hard disk drive

v  MS                  : Microsoft

v  MS-DOS        : Microsoft disk operating system

v  PC                  : personal computer

v  ROM               : read only memory

v  RAM               : random access memory

v  DVD               : digital video disk

v  CU                  : control unit

v  ISP                  : internet service provider

v  WWW             : world wide web

v  LCD                : liquid crystal display

v  NTFS              : network transfer file system

v  USB                : universal serial bus

v  XT                   :  extended technology

v  AT                   :  advanced technology