Question

write the full form of VDU,CD-ROM,MICR,OCR and OMR

Answer 1

Hi friend,
CD-ROM = Compact disc- Read only memory
VDU= Visual display unit

Bro I only know this one.

Answer 2

Hello!!

VDU - Visual Display Unit.
CD-ROM - Compact Disc,Read Only Memory.
MIRC - Magnetic Ink Character Recognition. 
OCR - Optical Character Recognition.
OMR - Optical Mark Recognition or Optical Mark Reading.

Hope it helps..!!