RRB JE EC: Sequential Circuits Quiz 1

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Question 1

Advantage of synchronous sequential circuits over asynchronous one is

• ALower hardware requirement
• BBetter noise immunity
• CFaster operation
• DAll of the above

Question 2

A block added to the combinational logic circuit to form a sequential logic circuit is the

• AROM
• Bcounter
• Cclock
• Dmemory

Question 3

Consider the following circuits:
1) Full adder
2) Half adder
3) JK flip-flop
4) Counter
Which of the above circuits are classified as sequential logic circuits?

• A1 and 2
• B3 and 4
• C2 and 3
• D1 and 4

Question 4

Consider the following sequential circuit.

What are values of Q₀ and Q₁ after 4 clock cycles, if the initial values are 00 ?

• A11
• B01
• C10
• D00

Question 5

Which of the following is not a sequential storage device?

• AMagnetic disk
• BMagnetic tape
• CPaper tape
• DAll of these

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