COMPUTER ORGANIZATION AND DESIGN UNIT 3 MCQs

1. What is a sequential circuit?

a) A circuit whose output depends on current and past inputs b) A circuit whose output depends only on current inputs c) A circuit with no memory elements d) A circuit with only combinational logic

2. What is the primary difference between combinational and sequential circuits?

a) Sequential circuits have memory elements b) Combinational circuits have memory elements c) Sequential circuits have no feedback d) Combinational circuits have feedback

3. What is a latch?

a) A level-sensitive memory element b) An edge-triggered memory element c) A combinational logic circuit d) A clockless circuit

4. What is a flip-flop?

a) An edge-triggered memory element b) A level-sensitive memory element c) A combinational logic circuit d) A clockless circuit

5. Which of the following is a type of flip-flop?

a) D Flip-Flop b) JK Flip-Flop c) T Flip-Flop d) All of the above

6. What is the primary purpose of a clock signal in sequential circuits?

a) To synchronize state changes b) To generate random outputs c) To eliminate memory elements d) To increase power consumption

7. What is the explicit functional description of a sequential circuit?

a) A description of the next state and output functions b) A description of the current state only c) A description of the input signals only d) A description of the clock signal

8. Which of the following is a characteristic of a D Flip-Flop?

a) It has a single input (D) b) It has two inputs (J and K) c) It toggles its output on every clock cycle d) It is level-sensitive

9. What is the primary advantage of using flip-flops over latches?

a) Flip-flops are edge-triggered, reducing timing issues b) Flip-flops are level-sensitive c) Flip-flops consume less power d) Flip-flops are simpler to design

10. What is the role of feedback in sequential circuits?

a) To store the current state b) To generate random outputs c) To eliminate memory elements d) To increase power consumption

Sequential Circuits MCQs

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