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Answer the following with proper reasoning and explainations:The ALU within the single - cycle datapath outputs a 3 2 - bit data result ( R
Answer the following with proper reasoning and explainations:The ALU within the singlecycle datapath outputs a bit data result R
R R RO along with a singlebit zero flag ZERO Write down a logic
expression that gives ZERO as a logic function of the bit result.
ZERO
The MIPS addu instruction performs the same operation as the MIPS add
instruction. The only difference is that add triggers an exception if the
addition results in a signed overflow, while addu does not. The instruction
addu $$ $ places into register $ the bit sum of the contents of
register $ plus the contents of register $ Answer the following questions
about the instruction addu $$$ :
a If registers $ and $ contain integers that differ in sign, can the result
in $ be incorrect due to an overflow? Explain your answer.
b If an overflow does not occur and registers $ and $ both contain a
negative integer, what will be the sign of the result in $
c If an overflow does occur and registers $ and $ both contain a
positive integer, what will be the sign of the result in $
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