INTRODUCTION TO MICROPEOCESSOR
MICROCOMPUTER SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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his is an 8279 control word that selects the address of a keystroke from the internal FIFO buffer
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Clock Command
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Mode Set
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Operation Code
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Read FIFO
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Explanation:
Detailed explanation-1: -Scanned Sensor Matrix : In this mode, a sensor array can be interfaced with 8279 using either encoded or decoded scans.
Detailed explanation-2: -The Intel 8279 is a keyboard and display controller developed for interfacing to Intel 8085, 8086 and 8088 microprocessors. The industrial version of ID8279 was available for USD $30.70 in quantities of 100. Its important features are: Simultaneous keyboard and display operations.
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