Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction Quadruplex Simplex Diplex Duplex Quadruplex Simplex Diplex Duplex ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor without the interrupt facility cannot be interfaced with any I/O devices cannot be used for DMA operation is best suited for process control system is not useful for process control system cannot be interfaced with any I/O devices cannot be used for DMA operation is best suited for process control system is not useful for process control system ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many T-states are required for execution of OUT 80H instruction? 7 13 10 16 7 13 10 16 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, no flags will be affected. all flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. no flags will be affected. all flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because 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 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 ANSWER DOWNLOAD EXAMIANS APP
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