Microprocessor Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional A is false but R is true Both A & R are true but R is not the correct explanation of A A is true but R is false Both A & R are true and R is the correct explanation of A A is false but R is true Both A & R are true but R is not the correct explanation of A A is true but R is false Both A & R are true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Inintel 8085A microprocessor ALE signal is made high to To achieve all the functions listed above To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus To disable data bus To achieve all the functions listed above To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus To disable data bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to 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 direct memory access for microprocessor 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 1, 2, 5 2, 3, 5 1, 3, 5 1, 3, 4 1, 2, 5 2, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct? (I) only (II) only (I), (II) & (III) (II) & (III) (I) only (II) only (I), (II) & (III) (II) & (III) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 256 64 512 65536 256 64 512 65536 ANSWER DOWNLOAD EXAMIANS APP
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