Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is ANI OFH XRI 0FH ANI F0H XRI FOH ANI OFH XRI 0FH ANI F0H XRI FOH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. BYTE DOUBLEWORD (32 bits) NIBBLE WORD (16 bits) BYTE DOUBLEWORD (32 bits) NIBBLE WORD (16 bits) ANSWER DOWNLOAD EXAMIANS APP
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 H PCHL & DAD D XCHG & DAD B XTHL & DAD H XCHG & DAD H PCHL & DAD D XCHG & DAD B XTHL & DAD H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because It increases the speed of data transfer over the data bus The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time It increases the speed of data transfer over the data bus The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions: All the above. Instruction decoding. Arithmatic and Logic operations. Instruction fetch. All the above. Instruction decoding. Arithmatic and Logic operations. Instruction fetch. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between microprocessor and memory none memory and I/O microprocessor and I/O microprocessor and memory none memory and I/O microprocessor and I/O ANSWER DOWNLOAD EXAMIANS APP
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