With each visit of this Digital Electronics online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
Remaining Time: 0 MINUTES
0 of 30 questions completed
Questions:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Information
You have already completed the test before. Hence you can not start it again.
0 of 30 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Question 1 of 30
Q-1.It contains an equal resistor or current source segment for each possible value
of DAC output.
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.The………. gate is also called any-or-all gate.
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.For multi-input AND and NAND gates, the unused input pin should not be left
____________
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.2’s complement is used to represent signed integers, especially __________
integers.
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.the table which shows the necessary levels at J and K input to produce every possible flip flop state transition is called
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.In negative logic, the logic state 1 corresponds to
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.The difference bit output of a half subtractor is the same as
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.the maximum frequency to which Mod 16 ripple counter using 4 J-K flip flop with propagation delay time of 50 Nano second is
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.Which of the following logic families has the least propagation delay
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.A register can be either static or dynamic.
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.Status register is also called as ___________
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.In which conversion the product of number 16 raised by the location and
then add all the products to get the final decimal value?
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.The decimal equivalent of sum of two binary numbers is (1010101)2 and (1001010)2
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.The address / data bus in 8085 is __________
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.A octal is group of ——-1’s
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.An exclusive NOR gate is logically equal to
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.Pentium-I, Pentium-II, Pentium-III and Pentium-IV are recently introduced microprocessor by__________
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.In case of XOR/XNOR simplification, you have to look for the following
____________________
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19. Half adder consist of. ……&…..Gates
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.To convert _____________, write the number to be converted, placing each digit
under the proper position.
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.Half adder is logic CKT that adds. ………Digit at a time
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.A 4 bit resistor divider D/A converter uses 80KOHM resistor for MSB . the resistor value used for LSB
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.The logic expression AB+ ¯(A.B) can be implemented by given inputs A And B to two input
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.RAM is also known as
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.In this type of counter, the complement of the output of the last stage of
the shift register is fed back to the D input of the first state.
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.How can you represent (08)10 in BCD?
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.In straight binary code, N-bits or N binary digits can represent ______________
different values.
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.In a five bit binary ladder D/A converter ,if the value of R is 1Kohm,2R is 2Kohm and voltage levels are 0=0V and 1=+6V, then the current ,which each digital input voltage source can supply is
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.Symbol: F = A + B, where ‘+’ implies _____ operation
Your Answer:Correct
Your Answer:Incorrect