Slide 1
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
HANDLING DATA ININFORMATION SYSTEMHANDLING DATA ININFORMATION SYSTEM
19 July 2005 Tuesday19 July 2005 Tuesday
Lower 6th Computing LessonLower 6th Computing Lesson
Prepared by: T.Fin@Prepared by: T.Fin@
a)Methods of inputting &gathering dataa)Methods of inputting &gathering data
b)The functions of themethods of inputting &gathering datab)The functions of themethods of inputting &gathering data
Slide 2
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
Methods of inputting & gatheringdataMethods of inputting & gatheringdata
KeyboardKeyboard
Voice RecognitionVoice Recognition
BarcodesBarcodes
Optical Mark Recognition (OMR)Optical Mark Recognition (OMR)
Magnetic Stripe CardsMagnetic Stripe Cards
Optical Character Recognition (OCR)Optical Character Recognition (OCR)
Data loggingData logging
Touch ScreensTouch Screens
Slide 3
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
KeyboardKeyboard
Keyboard is the oldest and most familiarof all input devices.
Keyboards are intelligent devices andcontain their own chips.
A standard keyboard is called as aQWERTY keyboard because of thearrangement of letters of the top row ofthe alphabet keys.
There are invented special keyboards forthe disabled and visually-impaired userskeyboard.
Slide 4
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
BarcodesBarcodes
Barcodes are used to track record ofdetails of an item.
It is used in supermarkets, librarysystems, ticketing and reservationsystem, stock control and so on.
Barcode systems are now at anadvanced stage and readers can recordbarcodes at distances of 5 metres ormore.
Slide 5
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
Optical Mark Recognition (OMR)Optical Mark Recognition (OMR)
Optical Mark Recognition (OMR) is usedto sense marks made on a special formin certain places.
Uses of optical mark readers includemultiple choice answer sheet marking,capturing data from questionnaires andenrolment forms and the checking offootball pools coupons and so on.
But people who have never completedoptical mark reading sheets can haveproblems filling them in.
Slide 6
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
Optical Mark Recognition (OMR)Optical Mark Recognition (OMR)
The advantages are the use of OMR isthat details do not have to be typed inand reduces the cost of inputting largevolumes of data. Besides it is useful andvery quick.
The disadvantages are being filled in bythe general public then very clearinstructions are needed and if the formsare folded then they maybe rejected bythe machine.
Slide 7
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
Magnetic Stripe CardsMagnetic Stripe Cards
You can see magnetic stripe readers atthe side of computerised tills (oftencalled as electronic point-of-sale (EPOS)terminals).
It shows one being used to readinformation contained in the magneticstripe of a credit card.
Slide 8
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
Optical Character Recognition(OCR)Optical Character Recognition(OCR)
Optical character recognition (OCR) is amethod of inputting text using a scanneralong with special software to turn thescanned image into the standard ASCIIcode.
In other words, the text is no longertreated as a picture, since eachindividual letter is recognised on its ownand can therefore be edited using wordprocessing software.
OCR can be used to scan financialdocuments such as company accountsdirectly into spreadsheets, as well as toscan text directly into wordprocessors.
Slide 9
A Free sample background from www.powerpointbackgrounds.com
© 2003 By Default!
YOUR TASKSYOUR TASKS
Find the details of the following methodsof inputting & gathering data:
1. Voice Recognition
2. Data Loggings
3. Touch Screen
… from any relevant websites ortextbooks and SUBMIT ON: 21st JULY2005 – THURSDAY.
THANK YOU FOR YOUR ATTENTION!!!!!