NotesFAQContact Us
Collection
Advanced
Search Tips
Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ355058
Record Type: Journal
Publication Date: 1987
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: N/A
EISSN: N/A
Interfacing Optical Document Scanners: Principles and Practical Considerations.
Krus, David J.; Kodimer, Dennis
Educational and Psychological Measurement, v47 n1 p147-54 Spr 1987
Handlers for interfacing the ScanTron and 2700 Optical Mark Readers with the IBM AT/XT/PC and Tandy 2000/1000/3000 iAPX 88/186/286 based computers were described. Differences between programing an RS232C serial port using BIOS interrupts and directly addressing the Motorola 8550 ART microprocessor were discussed. (Author/LMO)
Descriptors: Data Processing, Input Output, Microcomputers, Minicomputers, Optical Scanners
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A