Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XCHG & DAD B XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B XTHL & DAD H PCHL & DAD D XCHG & DAD H ANSWER DOWNLOAD EXAMIANS APP
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 .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 None of the numbers is changed .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 Both Ihe numbers are changed and their exponents are, made equal to -5 None of the numbers is changed ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Total numbers of output pins in 8085 microprocessor are 40 30 13 27 40 30 13 27 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is XRI 0FH ANI OFH ANI F0H XRI FOH XRI 0FH ANI OFH ANI F0H XRI FOH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is 16 20 12 8 16 20 12 8 ANSWER DOWNLOAD EXAMIANS APP
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