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You Are On Multi Choice Question Bank SET 1147

57351. In 8085 microprocessor, what are the contents of register SP, after the interrupt has been started?





57352. Assertion (A): The resolution of a DAC depends on the number of bits Reason (R): Low resolution leads to fine control.





57353. (62)10 in binary system is





57354. If noise margin is high, there is lesser chance of false operation.



57355. Decimal 1932 when converted into 10's complement will become





57356. In 8085 microprocessor, what is the length of status Word?





57357. While obtaining minimal SOP expression





57358. In 8085 microprocessor, how many interrupt control lines are there?





57359. In 2's complement addition, the carry generated in the last stage is





57360. A is even or B is true. Negation of above statement is





57361. The abbreviation DTL stands for





57362. Which one of the following is a D to A conversion technique?





57363. What is the purpose of using ALE signal high?





57364. To have the multiprocessing capabilities of the 8086 microprocessor, the pin connected to the ground is




57365. An index register in digital computer is a register to be used for





57366. Assuming accumulator contain A 64 and the carry is set (1). What will register A and carry (CY) contain after ORA A?





57367. 2's complement of a given 3 or more bit number of non-zero magnitude is the same as the original number if all bits except





57368. A half adder adds __________ bits and a full adder adds __________ bits.





57369. When a binary adder is used as BCD adder, the sum is





57370. A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' again?





57371. Out of SR and JK flip flops, which is susceptible to race condition?





57372. Which liquid crystal is used for LCD display?





57373. If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?





57374. In order to enable TRAP interrupt, which of the following instructions are needed?





57375. If modulus is less than 2N, some states of the counter are skipped by using NAND gates.



57376. Two 16 : 1 and one 2 : 1 multiplexers can be connected to form a





57377. What are the contents of the accumulator after the RIC has been executed?





57378. Assertion (A): In a magnitude comparator IC the cascading inputs provide a means to cascade the 4 bit comparators Reason (R): A magnitude comparator has three outputs, A = B, A > B and A < B





57379. For the K map of the given figure the simplified Boolean expression is





57380. Assertion (A): It is possible that a digital circuit gives the same output for different input voltages Reason (R): A digital circuit is also called logic circuit.





57381. In a ring counter for N clock pulses the scale for the counter is





57382. Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after XRA A?





57383. 2's complement of (-24) =





57384. Some of MOS families are PMOS, NMOS, CMOS. The family dominating the LSI field where low power consumption is necessary is





57385. The ASCII code is





57386. The binary addition 1 + 1 =





57387. The Boolean function A + BC is a reduced form of





57388. Which of the following statements is not true in regard to storage time of a transistor?





57389. The inputs to logic gate are 0. The output is 1. The gate is





57390. In a JK master slave flip flop race condition does not occur.



57391. State transition table and state transition diagram form part of design steps for





57392. Which binary subtraction is incorrect?





57393. Consider the following statements: Race around condition can occur in JK flip flop when both inputs are 1A flip flop is used to store one bit of informationA transparent latch is a D type flip flopMaster slave flip flop is used to store two bits of information Which of the above are correct?





57394. D FF can be used as a





57395. In flip flops the duration of clock pulse is about





57396. Which of the following is decimal equivalent of the binary 1111111?





57397. A 555 timer can be used as





57398. Which of the following statements defines a full adder?





57399. In 8085 microprocessor, what is the memory word size?





57400. Which of the following memory is preferred in case of calculators?





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