Ashok Agarwal*
*M.Sc.(Chemistry), FICWA, Ph.D. &
Practicing Cost Accountant (Delhi)
WHAT IS discontinue CODE? Barcodes provide encoding text
information by electronic readers
with accuracy. A barcode
consists of a series of parallel, adjacent
predefined bar and space patterns to
convert/decode by scanning a light
source crossways the barcode and
measuring the intensity of light
reflected back by the white spaces
which produces an electronic signal that
exactly matches the printed barcode
pattern. Due to the design of most
barcodes, it does not betray any
difference if one scans a barcode from
right to left or from left to right. The
purpose of a barcode is to identify
something by labeling the item with a
infobase exercise where the entropy
encoded in the barcodes is used as an
index to a depict in the database that
contains more detailed information
about the item that is being scanned.
For example, when a checkout clerk
scans a barcode on a product, the
barcode data is fed to a computer that
looks up the information in a central
database and returns more detailed
information about the item that was
scanned. By using barcodes, the user
can change the description of item by
modifying a single entry in the central
database.
They can also caterpillar track how
much of a product is currently in pains
so that they know when to re-order more
of each item as the number of items in
stock falls. Barcodes provide a quick
and error free means for inputting the
data into an application instead of
typing it manually. Since their invention
in early fiftys, these exact black and
white images have been enablers for
accurate data capture, the rapid
consummation of goods, to automate manual
inventory management and all types of
automation. Their use is widespread,
and the applied science behind barcodes is
constantly improving. Some typical
applications of barcodes include a
grocery store, discussion section store, retail
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