Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is ANI F0H XRI 0FH ANI OFH XRI FOH ANI F0H XRI 0FH ANI OFH XRI FOH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH PSW PUSH SP PUSH A POP PSW PUSH PSW PUSH SP PUSH A POP PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor SPHL instruction copies the content of H-L register pair to the _________. PSW Stack Pointer B-C D-E PSW Stack Pointer B-C D-E ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 4 5 16 20 4 5 16 20 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a vector interrupt the branch address is obtained from a register in the processor. none. the branch address is assigned to a fixed location in memory. the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is obtained from a register in the processor. none. the branch address is assigned to a fixed location in memory. the interrupting source supplies the branch information to the processor through an interrupt vector. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because More than one device can transmit information over the data bus by enabling only one device at a time It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time 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 It increases the speed of data transfer over the data bus More than one device can transmit over the data bus at the same time The data line can be multiplexed for both input and output ANSWER DOWNLOAD EXAMIANS APP
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