Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? SUB A ORA A MOV A, 00H CLR A SUB A ORA A MOV A, 00H CLR A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 01000000 11000100 010001000 00000100 01000000 11000100 010001000 00000100 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not treated as hexadecimal constant by assembler in 8085? 45 H 6 AFH 234 64 H 45 H 6 AFH 234 64 H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional Both A & R are true but R is not the correct explanation of A Both A & R are true and R is the correct explanation of A A is false but R is true A is true but R is false Both A & R are true but R is not the correct explanation of A Both A & R are true and R is the correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is four times the desired frequency None of these twice the desired frequency equal to the desired frequency four times the desired frequency None of these twice the desired frequency equal to the desired frequency ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are incremented by one. transferred to memory data register. transferred to memory address register . transferred to address bus. incremented by one. transferred to memory data register. transferred to memory address register . transferred to address bus. ANSWER DOWNLOAD EXAMIANS APP
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