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Answer: vdu- visual display unit
alu-arithmetic logic unit
ppm-parts per million
cps-compendium of pharmaceuticals and specialities
bd-bis in die
cpu-central processing unit
cu-control unit
lpm-lines per minute
usb-universal serial bus
hdd-hard drive disk
barcode reader-it is optical scanner that can read printed barcodes
micr-it is used to streamline the processing and clearence of cheques and other document.
digicam-it is a digital camera for photos
pen drive-they are small printed circuit board,for inserting photos,videos etc...
mechanical mouse / optical mouse
*its expensive / less expensive
*uses laser diode / *used led technology
*accuracy is good / accuracy is not better than laser mouse /
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