The 8-bit registers R1, R2, R3, and R4 initially have the following values:
R1-11110010, R2-11111111, R3-10111001 ,R4 11101010
Determine the 8-bit values in each register after the execution of the following sequence of microoperations.
R1 <-R1 + R2
R1 <- R1 – R3
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