The way in which the computer obtains its data for processing
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What should an input method be like?
Automatic, fast, cheap, accurate
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What are the advantages of using a keyboard as an input device?
Simple and easy to use (intuitive). Universal layout. No extra hardware/ training
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What are the disadvantages of using a keyboard?
Most prone to making mistakes. Slow data entry if not a good typist. Health issues can arise (e.g. RSI). Expensive – labour costs
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What are the advantages of voice-speech recognition?
Faster than typing. 99% Accurate. Cheap. Converts speech into text good for those with physical disabilities so unable to type
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What are the disadvantages of using a voice recognition?
Can be frustrating for beginners. Accuracy dependent on usage. Dialects/accents make it difficult. Background noises can affect the quality/accuracy. Compatibility probs
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What is a scanner?
When data is captured from scanners, (mainly images), the non-digitised data is then converted into digitised data
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Name some other input devices
Digital Cameras & Camcorders .Tracker ball. Webcams, joystick etc
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What are the advantages of barcode recognition?
Cheap to print. Quick to scan. Can be scanned at an angle. Recording goods in stores. Warehouse stock control. Parcel tracking. Airport luggage handling systems.
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What are the advantages of touch screens?
Easy to use No keyboard skills are required.
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What are the advantages of magnetic ***** recognition?
Quick to swipe. Hard to forge. Accurate – no keying in
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What uses are there for magnetic ***** recognition?
Credit/debit cards. Store loyalty cards. Plane/rail tickets
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What does OMR stand for?
Optical Mark Recognition
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What are the advantages of OMR?
No wages to be paid, low reject forms if filled in correctly, high reading speed, automatic
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What are disadvantages of OMR?
Can cause issues if not properly filled in, limited response options due to tick box format
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What is OCR?
Optical Character Recognition. Reads hand-written or typed characters. Scanned as an image, which is then recognised by software
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What is MICR?
Magnetic Ink Character Recognition. Numbers coded in magnetic ink. Printed on cheques. Very high reading speed Unaffected by folding Difficult to forge Expensive hardware – reader
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What is MICR?
Magnetic Ink Character Recognition. Numbers coded in magnetic ink. Printed on cheques. Very high reading speed. Unaffected by folding. Difficult to forge
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Other cards in this set
Card 2
Front
What should an input method be like?
Back
Automatic, fast, cheap, accurate
Card 3
Front
What are the advantages of using a keyboard as an input device?
Back
Card 4
Front
What are the disadvantages of using a keyboard?
Back
Card 5
Front
What are the advantages of voice-speech recognition?
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