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1. Calculate the combinaTonal 0 controllability,1 controllability and observability measures for all signals (inputs, outputs, or internal nodes) in a 4 bit ripple carry adder (RCA).An Example RCA Is shown below: 2. Consider the example pipelined RCA Shown below. If full scan is used to replace each Fip Fop with a scan Fip Fop, what are the maximum combinaTonal 0 controllability,1-controllability,and observability measures for all signals(inputs, outputs, or internal nodes)in a 4 bit Pipelined RCA. Consider a pseudo primary input to be equivalent to a primary input and a pseudo primary output to be equivalent to a primary output in the calculaTon of these maximum controllability and observability measures. 3. Similar to the diagram that is shown below, what sequence of signals is required to set the sum to “1110” When A=“0110” and B=“1010”?
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