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Item
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Traditional Optical Card Reader
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InfoOMR
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Hardware
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Optical card reader
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Regular scanner
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Answer card creation
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1.Fixed-sized uni-format answer card
2.Special paper type and size
3.Single/double-sided
4.Red as the background for the marking area
5.With minimum order
6.High cost
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1.Self design
2.Regular copying paper
3.Multipage/single/double-sided
4.Red or black as the background for the marking area
5.Print by self or outsourcing
6.Low cost
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Size of answer card
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Fixed size, not changeable
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Self configuration (according to the scanner used)
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Check of answer card
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Comes with high level models
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Problem answer card could be picked beforehand
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Barcode embedding and reading
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Yes, but extra barcode readers required
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Yes, without extra barcode readers
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Answer card
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1.The answer card shall be put into the card reader in a fixed direction
2.Use 2B pencils or pen to mark the answer card
(the carbon condition of pencil is critical; the reading head shall be changed for pen marking)
3.Filling method: complete filling instructed area
4.Bar code readers required
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1.The answer card can be put into the scanner in any direction
2.Use 2B pencils or pen to mark the answer card
3.Filling method: complete filling, tick or cross
4. Support to read 1D and 2D barcodes
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Writing area review
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N/A
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Available for manual reviewing on computer
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answer card encryption authentication
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N/A
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Invisible watermarking encryption authentication
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Specific answer card retrieval
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Search from a pile of answer cards
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Image search by input condition
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Data export
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Yes
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Yes, CSV, EXCEL, XML, ACCESS, SPSS
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Image export
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N/A
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Yes, Jpg, Tiff, MTiff, PDF
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Hardware maintenance cost
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Specifically-made parts
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General scanner consumer parts (PAD, ROLLER)
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Additional function
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N/A
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Could be used as a regular document scanner
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