Microprocessor
The microprocessor may be made to exit from HALT state by asserting

 READY line
 RESTART
 any of the five interrupt lines
 A or B or HOLD line

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

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

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Microprocessor
Ready pin of microprocessor is used

 to indicate that microprocessor is ready to receive outputs
 to introduce wait state
 to indicate that microprocessor is ready to receive inputs
 to provide direct memory access

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