Microprocessor
S0 and S1 pins are used for

 serial communication
 acknowledging the interrupt
None of these
 indicating the processor’s status

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Microprocessor
When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode

.9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed
Both Ihe numbers are changed and their exponents are, made equal to -5
.5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed
None of the numbers is changed

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