ROM = Read-only memory.
RAM = Random-access memory.
USB = Universal Serial Bus.
SCSI = The Small Computer System Interface.
OMR = Optical mark recognition.
MICR = Magnetic Ink Character Recognition.
OCR = Optical character recognition.
EPOS = Electronic Presentation Online System.
MIDI = Musical Instrument Digital Interface.
VDU = Visual Display Unit.
CRT = Cathode ray tube.
MDA = Manicaland Development Association.
CGA = Certified General Accountant.
VGA = Video Graphics Array.
SVGA = Super video graphics array.
DPI = Dots per inch.
XGA = Graphics display resolution .
RAID = Redundant array of inexpensive disks or Redundant array of independent disks................
hope its help u..........