Digital Logic Design Quiz

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Questions and Answers

What is the primary difference between combinational and sequential logic?

  • Combinational logic depends only on inputs, while sequential logic depends on both present inputs and past behavior (correct)
  • Combinational logic depends on past behavior, while sequential logic depends only on present inputs
  • Combinational logic has memory, while sequential logic does not
  • Sequential logic has memory, while combinational logic does not

What is the characteristic of a sequential circuit that allows it to have 'memory'?

  • The circuit operates at a high clock frequency
  • The outputs depend only on the present inputs
  • The outputs depend on the present inputs and the past behavior of the circuit (correct)
  • The circuit has a large storage capacity

What is an example of a sequential logic circuit mentioned in the text?

  • Decoder
  • Counter (correct)
  • Multiplexer
  • Adder

What is the function of a latch in digital logic design?

<p>Temporary storage of a value, even when the input changes (B)</p> Signup and view all the answers

What does it mean for a circuit to have 'memory'?

<p>The new output depends on the previous output and the present inputs (B)</p> Signup and view all the answers

What is the primary characteristic of a sequential logic circuit?

<p>It depends on present inputs and past behavior (D)</p> Signup and view all the answers

What is the main function of a latch in digital logic design?

<p>Temporary storage of a value (D)</p> Signup and view all the answers

How does the output of a counter in a sequential logic circuit change when the input is 1?

<p>It increases by 1 (B)</p> Signup and view all the answers

What distinguishes a latch from a flip-flop in digital logic design?

<p>Latches are level-sensitive, while flip-flops are edge-triggered (C)</p> Signup and view all the answers

What is the significance of a sequential logic circuit having 'memory'?

<p>It can retain past input information (A)</p> Signup and view all the answers

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