Microprocessor How many machine cycles are required for execution of IN 30H instruction 5 3 6 4 5 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor PSW stands for accumulator contents accumulator and flag register contents none flag byte accumulator contents accumulator and flag register contents none flag byte 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 (I), (II) & (III) (II) & (III) (II) only (I) only (I), (II) & (III) (II) & (III) (II) only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following interrupt/interrupts is/are only level triggering? RST 6.5 RST 5.5 both ‘a’ and ‘b’ TRAP RST 6.5 RST 5.5 both ‘a’ and ‘b’ TRAP ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time The data line can be multiplexed for both input and output It increases the speed of data transfer over the data bus More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time The data line can be multiplexed for both input and output It increases the speed of data transfer over the data bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 16 12 18 8 16 12 18 8 ANSWER DOWNLOAD EXAMIANS APP
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