Microprocessor In microprocessor based system I/O ports are used to interface the I/O devices and memory chips the O/P devices only the I/P device only all the I/O devices the I/O devices and memory chips the O/P devices only the I/P device only all the I/O devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 P flag is set when the result has even parity P flag is reset when the result has even parity P flag is reset when the result has odd parity P flag is set when the result has odd parity P flag is set when the result has even parity P flag is reset when the result has even parity P flag is reset when the result has odd parity P flag is set when the result has odd parity ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because 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 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 ANSWER DOWNLOAD EXAMIANS APP
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 the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 8 18 12 16 8 18 12 16 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. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. ANSWER DOWNLOAD EXAMIANS APP
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