Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor cannot be interrupted by any interrupt 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 Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock. A is true but R is false Both A & R are true but R is not the correct explanation of A A is false but R is true Both A & R are true and R is the correct explanation of A A is true but R is false Both A & R are true but R is not the correct explanation of A A is false but R is true Both A & R are true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The number of output pins in 8085 microprocessors are 27. 19. 21. 40. 27. 19. 21. 40. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Total number of modes the 8253 can work 12 4 8 6 12 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location 003CH 0000H 002CH 0034H 003CH 0000H 002CH 0034H ANSWER DOWNLOAD EXAMIANS APP
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