Microprocessor HLDA signal in 8085 performs the following operation: Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR. A is true but R is false. A is false but R is true. 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 true but R is false. A is false but R is true. 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. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 64. 16. 32. 128. 64. 16. 32. 128. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is equal to the desired frequency twice the desired frequency None of these four times the desired frequency equal to the desired frequency twice the desired frequency None of these four times the desired frequency ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Temporary registers in 8085 are B and C. H and L. W and Z. D and E. B and C. H and L. W and Z. D and E. ANSWER DOWNLOAD EXAMIANS APP
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