Microprocessor SPHL instruction copies the content of H-L register pair to the _________. Stack Pointer B-C D-E PSW Stack Pointer B-C D-E PSW 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 not received the HOLD request. 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. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor PSW stands for accumulator and flag register contents none flag byte accumulator contents accumulator and flag register contents none flag byte accumulator contents ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are same as the content of A7-A0 all bits reset (i.e. 00H) irrelevant all bits set (i.e. FFH) same as the content of A7-A0 all bits reset (i.e. 00H) irrelevant all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for the user None of these direct memory access for the I/O device direct memory access for microprocessor direct memory access for the user None of these direct memory access for the I/O device direct memory access for microprocessor ANSWER DOWNLOAD EXAMIANS APP
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