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Sketch an interface circuit to read the state of 4 switches through one input port of address 55H. Write the assembly code to determine the
Sketch an interface circuit to read the state of 4 switches through one input port of address 55H. Write the assembly code to determine the value of the first switch.
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Database Management An Organizational Perspective
Authors: Richard T. Watson
1st Edition
0471305340, 978-0471305347
