Microprocessor In order to complement the lower nibble of accumulator one can use XRI 0FH ANI 0FH CMA ORI 0FH XRI 0FH ANI 0FH CMA ORI 0FH ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 8 4 6 10 8 4 6 10 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 irrelevant all bits reset (i.e. 00H) all bits set (i.e. FFH) same as the content of A7-A0 irrelevant all bits reset (i.e. 00H) all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor _____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. EI SIM DI RIM EI SIM DI RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable interval timer from the following 8275 8252 8279 8253 8275 8252 8279 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. B-C D-E PSW Stack Pointer B-C D-E PSW Stack Pointer ANSWER DOWNLOAD EXAMIANS APP
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