Descriptor
| Data Processing | 1 |
| Input Output | 1 |
| Microcomputers | 1 |
| Minicomputers | 1 |
| Optical Scanners | 1 |
Source
| Educational and Psychological… | 1 |
Author
| Kodimer, Dennis | 1 |
| Krus, David J. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Descriptive | 1 |
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Peer reviewedKrus, David J.; Kodimer, Dennis – Educational and Psychological Measurement, 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
