AUTOMATIC
DATA
CAPTURE
AUTOMATIC DATA CAPTURE

a term to describe
technologies which aim to
immediately identify
data with 100 percent
accuracy.
AUTOMATIC DATA CAPTURE

data is passed in real
time to any computer
system, with little or no
human intervention and
without the use of a
keyboard.
AUTOMATIC DATA CAPTURE
AUTOMATIC DATA CAPTURE
►For
a company, these
features provide benefits
such as :
►reduced labour hours
► reduced errors
►and accurate inventory
records
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Barcode readers
► a device used for machine
scanning of bar codes
► consists of a scanner, a decoder,
and a communications interface
(monitor)
►
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
►
Barcode readers
BARCODES
BARCODE
READER
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Barcode readers
► Found in supermarkets, stores
etc.
►
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
SMART CARDS
► smart cards are plastic cards
the size of credit cards
► contain a microprocessor chip
► capable of both storing and
processing data.
►
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
►
SMART CARDS
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
►
►
►
►
►
SMART CARDS
Uses of smart cards include:
storing and processing medical
record information
storing security passwords
storing identification information
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Optical Mark Reader - (OMR)
► A special scanning device
► Can read pencil marks on specially
designed documents.
► OMR is frequently used in forms,
questionnaires, and answersheets
►
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
►
Optical Mark Reader - (OMR)
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
►
►
►
Optical Mark Reader - (OMR)
scans a printed form, reads positions
and records where marks are made
on the form.
A common OMR application is the use
of “bubble sheets” for multiple-choice
tests used by schools.
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Optical character recognition
(OCR)
involves reading text from paper
translating the images into a form
that the computer can manipulate
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Optical character recognition
(OCR)
 An OCR system enables you to
take a book or a magazine article
 feed it directly into an electronic
computer file
 and then edit the file using a
word processor.
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Optical character recognition
(OCR)
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Optical character recognition
(OCR)
All OCR systems include an
optical scanner for reading text,
and software for analyzing
images.
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Magnetic Ink Character
Recognition (MICR)
character recognition system that
uses special ink and characters
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Magnetic Ink Character Recognition
(MICR)
 document contains this ink
 document passes through a machine
 The machine magnetizes the ink
 then translates the magnetic
information into characters.
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Magnetic Ink Character
Recognition (MICR)
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Magnetic Ink Character Recognition
(MICR)
 MICR technology is used by banks.
 Numbers and characters found on the
bottom of checks (the check number,
sort number, and account number)
 are printed using Magnetic Ink.
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Sensors

Sensors are often used as part of
a feedback cycle. They collect data
continuously and are typically linked to
a control program that specifies
acceptable levels, eg the minimum and
maximum temperature in a green house.
Home Work
Write a short note on biometric
systems: retina scans, finger print
scan and palm scan
TYPES OF AUTOMATIC DATA
CAPTURE DEVICES
Past Paper Question 1

May 2010 #3
Past Paper Question 2

Jan 2012 #3 (a)

May 2011 #2

June 2009 #5

Jan 2009 Q 1