Q.1.
What kind of operation occurs in a J – K flip flop when both inputs J and K are equal to 1?
Q.2.
Which of the following codes is a sequential code?
Q.3.
Which of these code pairs correctly represent Digital Electronics reflective codes?
Q.4.
Which of the following options correctly represent the characteristic of Excess – 3 code?
Q.5.
The result “X + XY = X” follows which of these laws?
Q.6.
Which of the following options correctly represents the consensus law of Digital Circuits?
Q.7.
Which of the following points is not correct regarding an Ex – NOR gate in Digital Electronics?
Q.8.
Which gate is called the anti – coincidence and coincidence gate respectively?
Q.9.
What frequency division of the pulsed clock signal can be obtained by connecting 4 flip – flops in cascade?
Q.10.
Which of the following options represent the correct reduction of XYZ + XYZ ?
Q.11.
A priority encoder has four inputs IIIand I3 where I3 has the highest priority and I0 has the least priority. If I= what will be the output?
Q.12.
Which of the following options are correct for a 4×1 multiplexer?
Q.13.
What determines the output from the combinational logic circuit in Digital Electronics?
Q.14.
Which of these pins will allow to activate and deactivate a multiplexer?