Microprocessor Identify the communication interfacing device from the following 8255 8251 8155 8257 8255 8251 8155 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 which addressing mode is also called inherent addressing? Implicit Immediate Register Direct Implicit Immediate Register Direct ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8275 8259 8279 8257 8275 8259 8279 8257 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 More than one device can transmit over the data bus at the same time More than one device can transmit information over the data bus by enabling only one device at a time The data line can be multiplexed for both input and output 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 More than one device can transmit information over the data bus by enabling only one device at a time The data line can be multiplexed for both input and output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH A PUSH SP PUSH PSW POP PSW PUSH A PUSH SP PUSH PSW POP PSW 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 the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. 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 another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
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