Answer to Question #244731 in Electrical Engineering for shailesh

Question #244731


3. Consider PC = 92

4. DR=312-01

5. Now perform the below given task

AR <- PC

M[AR] ->DR

IR<-M[AR]

Explain the contents of the memory after the execution of second instruction.


1
Expert's answer
2021-10-01T07:10:02-0400

In the present case, we are provided with PC = 92


DR=312-01


Now perform the below given task


AR &lt;- PC


M[AR] -&gt;DR


IR&lt;-M[AR]


We understand the details of the provided instructions are as follows:


AR Í PC IR Í M[AR] b) There is no such access to AC except for INPR, DR and itself, so the

correct form would be: DR Í TR AC Í AC + DR


The memory after the execution of second instruction involve:


We will replace the memory reference instruction ISZ with [ LDC address ], which will load the

CTR register with the value specified by the address. In addition to that, we will add a new

register reference instruction.


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