Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? An op-code fetch cycle A memory write cycle An I/O read cycle A memory read cycle An op-code fetch cycle A memory write cycle An I/O read cycle A memory read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? SUB A CLR A ORA A MOV A, 00H SUB A CLR A ORA A MOV A, 00H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A real number consists of None of these Integer part, fraction part along with positive or negative sign Integer part Integer part and fraction part None of these Integer part, fraction part along with positive or negative sign Integer part Integer part and fraction part ANSWER DOWNLOAD EXAMIANS APP
Microprocessor IN an intel 8085A microprocessor, why is READY signal used? To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device. To indicate to user that the microprocessor is working and is ready for use. To slow down a fast peripheral device so as to communicate at the microprocessor’s device. None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following? Instruction cycle Clock cycle Memory cycle Machine cycle Instruction cycle Clock cycle Memory cycle Machine cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The multiplexing of address bus and data buses is used in never multiplexed. none of these. depends on the internal architecture. all the microprocessors. never multiplexed. none of these. depends on the internal architecture. all the microprocessors. ANSWER DOWNLOAD EXAMIANS APP