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question 1 what is the maximum number of io ports that can be implemented using mc68230s on a system bus with 16
question design an 8-bit input port and an output port using mc68230 for the mc68000 the input port receives a 4-bit
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question look up the details of the power-failure detection circuitry of a computer system you have access to to
question there are memory-port controllers that allow interfacing multiple memories to computer systems what is the
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question rewrite the micro program sequence for hlt instruction if the jsr and ret instructions of problem are
question 1 design a single-bus structure for asc2 change the asc instruction format to accommodate both preindexed and
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question we have assumed single level of indirect addressing for asc what changes are needed to extend this to multiple
question use a 16-bit up-counter as the pc for asc what changes are needed for the control unit hardware does it alter
question extend the jsr and ret instructions of problems to allow nested subroutine calls that is a subroutine can call