Different ways of data capture

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DATA CAPTURE

Data capture is methods of gathering data automatically as part of an automatic transaction.

THERE ARE 2 BROAD METHODS DATA CAPTURE CAN BE DIVIDED INTO!!!!

1. Document Reading Methods - The document is in computer readable format. e.g bar code this is input into computer and data is read from it

2. Sensing Methods - Special sensors are used to obtain data which is transmitted to a comp. e.g Traffic lights/automatic weather stations.

Different ways of data capture are:

1.KEYBOARD DATA ENTRY - Common way of data capture, Usually copied from a source document so has disadvantages.

These Are: Transcription errors - human error as things are copied incorrectly.

Time Consuming - Take a long time to input big amounts.

2.Voice Data Entry - User speaks into mic and special software recognizes users voice where it appears on screen to then be edited this can be improved by training to users voice.

3. Scanners and OCR's - Scanners can print in graphical images and photographs software can then be used to touch up these images. Scanners can also be used to read typed or even hand written