what are the techniques of data collectionit can
What are the techniques of Data Collection
It can be either automatic or manual. Manual techniques can include:
- Keypads/Keyboards to type in data
- touch screens to select options/data
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what is optical character recognition ocr information on paper is automatically read by a scanner and is then processedanalysed by ocr software
explain about the voice recognition systemthese voice recognition systems recognise spoken words eg for disabled people who cant use keyboards where
determine the uses of smart cards these comprise embedded microchips and receive power from the card readers microchip is made up of ram rom and
optical mark recognition omr omr technology scans a printed form and reads pre-defined positions where specific fields have been filled in for
what are the techniques of data collectionit can be either automatic or manual manual techniques can include- keypadskeyboards to type in
define the term- verificationit is a way of preventing errors when data is copied from one medium to another for instance from paper to diskcd or
what is double entry - verificationin this approach data is entered twice using two different people data is only accepted if both versions match up
difference between visual check and parity checkvisual checkthis is checking for errors by comparing entered data with original document note this is
determine the term- filesfile maintenance is significant updating of files generally involves inserting amending and deleting dataexamplea bank would
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