Microprocessor In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are 20 220-1 220 - 1 220 20 220-1 220 - 1 220 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are irrelevant all bits reset (i.e. 00H) same as the content of A7-A0 all bits set (i.e. FFH) irrelevant all bits reset (i.e. 00H) same as the content of A7-A0 all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is XRI 0FH XRI FOH ANI OFH ANI F0H XRI 0FH XRI FOH ANI OFH ANI F0H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? MOV A, 00H SUB A CLR A ORA A MOV A, 00H SUB A CLR A ORA A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for microprocessor direct memory access for the I/O device None of these direct memory access for the user direct memory access for microprocessor direct memory access for the I/O device None of these direct memory access for the user ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A structure that stores a number of bits taken “together as a unit” is a Mux Decoder Register Gate Mux Decoder Register Gate ANSWER DOWNLOAD EXAMIANS APP
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