Microprocessor After RESET 8255 will be in mode 2 mode 0; all ports are output unchanged condition mode 0; all ports are input mode 2 mode 0; all ports are output unchanged condition mode 0; all ports are input ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction Simplex Quadruplex Duplex Diplex Simplex Quadruplex Duplex Diplex ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer resides in RAM resides in microprocessor resides in ROM may be in RAM or ROM resides in RAM resides in microprocessor resides in ROM may be in RAM or ROM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller? EPROM, USART & PORTS EPROM & PORTS SRAM & USART SRAM, EPROM & PORTS EPROM, USART & PORTS EPROM & PORTS SRAM & USART SRAM, EPROM & PORTS ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: 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. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. 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. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. D-E Stack Pointer B-C PSW D-E Stack Pointer B-C PSW ANSWER DOWNLOAD EXAMIANS APP
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