Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220-1
 220
 220 - 1
 20

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Microprocessor
The interrupt facility is provided in microprocessor to

 keep a control on the working of the microprocessor
 stop the microprocessor when desired
 change the sequence of the instructions being executed
 stop the microprocessor when it starts malfunctioning

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

None of the numbers is 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
.5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed

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