CS121 Digital Logic Design: Adder Circuit
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Questions and Answers

What is the required number of bits for the sum when adding two 2-bit binary numbers?

  • 4-bit
  • 5-bit
  • 2-bit
  • 3-bit (correct)

    • How many total inputs does the adder circuit mentioned in the lecture have?

  • 4 (correct)
  • 5
  • 2
  • 3

    • How many outputs are designed for the adder circuit?

  • 1
  • 3 (correct)
  • 4
  • 2

    • What is the primary lecture topic given by Prof. Ahmed ElShafee?

    <p>Digital Logic Design</p> Signup and view all the answers

    What semester and year is the course CS121 - Digital Logic Design offered?

    <p>Spring 2024</p> Signup and view all the answers

    Who is the professor teaching the CS121 - Digital Logic Design course?

    <p>Prof. Ahmed ElShafee</p> Signup and view all the answers

    What is the main example provided in the lecture?

    <p>Adder Circuit</p> Signup and view all the answers

    What is the course code for Digital Logic Design taught by Prof. Ahmed ElShafee?

    <p>CS121</p> Signup and view all the answers

    What is the course code for Digital Logic Design?

    <p>CS121</p> Signup and view all the answers

    Who is the professor for the Digital Logic Design course?

    <p>Prof. Ahmed ElShafee</p> Signup and view all the answers

    In which semester is the Digital Logic Design course offered?

    <p>Spring 2024</p> Signup and view all the answers

    What is the example function provided in the text?

    <p>f = Σm(1,3,5,7,9) + Σ d(6,12,13)</p> Signup and view all the answers

    Which of the following indices are included as a don’t care condition in the function?

    <p>6, 12, 13</p> Signup and view all the answers

    Which method is suggested to simplify the example function?

    <p>Build a truth table</p> Signup and view all the answers

    Who is the professor for the CS121 - Digital Logic Design course in Spring 2024?

    <p>Prof. Ahmed ElShafee</p> Signup and view all the answers

    For which condition should the output (Z) be 1 in the divisible by 3 circuit?

    <p>The decimal number represented by inputs is exactly divisible by 3</p> Signup and view all the answers

    Which of the following is an example of valid 8-4-2-1 BCD digits where Z=1?

    <p>ABCD = 0011</p> Signup and view all the answers

    What are the BCD values for which Z=1 in the provided circuit design?

    <p>0000, 0011, 0110, 1001</p> Signup and view all the answers

    What does BCD stand for?

    <p>Binary Coded Decimal</p> Signup and view all the answers

    What is the decimal equivalent of the BCD input ABCD=0110?

    <p>6</p> Signup and view all the answers

    What is the expression for f given in the text?

    <p>f = Σm(1,3,5,7,9) + Σd(6,12,13)</p> Signup and view all the answers

    Which combination of d, C, b, a yields an undefined output, X, for F?

    <p>1, 1, 0, 0</p> Signup and view all the answers

    What is the value of F for the input combination 1, 1, 0, 1?

    <p>X</p> Signup and view all the answers

    Which minterm is not included in the expression for f?

    <p>m(12)</p> Signup and view all the answers

    How many minterms are included in the expression for f?

    <p>5</p> Signup and view all the answers

    For the input combination 1, 0, 1, 0, what is the value of F?

    <p>0</p> Signup and view all the answers

    What set of inputs gives a defined logical value of 1 for the output F?

    <p>0, 0, 1, 1</p> Signup and view all the answers

    What input combination results in an output of 'd' for F?

    <p>0, 1, 0, 1</p> Signup and view all the answers

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