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AE-JE Foundation EE : Digital Electronics Revision Quiz
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Question 1
Which of the following is a universal logic gate?
Question 2
If x and y are Boolean variables, then the equivalent the function F(x, y) = x ⨁ y ⨁ xy is equal to
Question 3
Consider the expression given below (–64)10 + (64)8 = (×)10
The value of 'X' is equal to
Question 4
Which of the following logic gates can be used to implement the functionality of any logic gate?
Question 5
For the given ring oscillator the propagation delay of each inverter is 2msec. What is the fundamental frequency of the output?
Question 6
Obtain the Minimized SOP form of function f (A,B,C,D) where f is given as Σm(0,3,4,5,7,9,11,14,15).
Question 7
Which of the following logic gates provides output as 1 when both inputs are different?
Question 8
The reduced state table of a sequential machine has 7 rows. What is the minimum number of flip flops needed to implement the machine?
Question 9
A register capable of incrementing and/or decrementing its contents is called ?
Question 10
In a J-K flip-flop, if then it acts as a/an:
Question 11
Identify the combinational logic circuit(s) from the following list:
I. Full adder
II. J-K flip-flop
III. Counter
Question 12
For a certain 6 bit successive approximation type ADC, it the conversion time for on input of 1.5V is 75 µ sec. then the conversion time for an input of 2V will be________ µ sec.
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AE & JE ExamsDec 21AE & JE Exams