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  • Question
  • Logically, the output of a NOR gate would have the same Boolean expression as a(n):


  • Options
  • A. NAND gate immediately followed by an inverter
  • B. OR gate immediately followed by an inverter
  • C. AND gate immediately followed by an inverter
  • D. NOR gate immediately followed by an inverter

  • Correct Answer
  • OR gate immediately followed by an inverter 


  • Logic Gates problems


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    • 1. With regard to an AND gate, which statement is true?

    • Options
    • A. An AND gate has two inputs and one output.
    • B. An AND gate has two or more inputs and two outputs.
    • C. If one input to a 2-input AND gate is HIGH, the output reflects the other input.
    • D. A 2-input AND gate has eight input possibilities.
    • Discuss
    • 2. How many unique symbols are used in the decimal number system?

    • Options
    • A. One
    • B. Nine
    • C. Ten
    • D. Unlimited
    • Discuss
    • 3. What has happened to the advances in digital technologies over the past three decades?

    • Options
    • A. Slowed down considerably
    • B. Continued to increase, but at a decreasing rate
    • C. Made excellent progress
    • D. Nothing short of phenomenal
    • Discuss
    • 4. A demultiplexer has ________.

    • Options
    • A. one data input and a number of selection inputs, and they have several outputs
    • B. one input and one output
    • C. several inputs and several outputs
    • D. several inputs and one output
    • Discuss
    • 5. A full subtracter circuit requires ________.

    • Options
    • A. two inputs and two outputs
    • B. two inputs and three outputs
    • C. three inputs and one output
    • D. three inputs and two outputs
    • Discuss
    • 6. Which of the following equations would accurately describe a four-input OR gate when A = 1, B = 1, C = 0, and D = 0?

    • Options
    • A. 1 + 1 + 0 + 0 = 01
    • B. 1 + 1 + 0 + 0 = 1
    • C. 1 + 1 + 0 + 0 = 0
    • D. 1 + 1 + 0 + 0 = 00
    • Discuss
    • 7. Which of the following is not a basic Boolean operation?

    • Options
    • A. OR
    • B. NOT
    • C. AND
    • D. FOR
    • Discuss
    • 8. When reading a Boolean expression, what does the word "NOT" indicate?

    • Options
    • A. the same as
    • B. inversion
    • C. high
    • D. low
    • Discuss
    • 9. The term "hex inverter" refers to:

    • Options
    • A. an inverter that has six inputs
    • B. six inverters in a single package
    • C. a six-input symbolic logic device
    • D. an inverter that has a history of failure
    • Discuss
    • 10. If the input to a NOT gate is A and the output is X, then ________.

    • Options
    • A. X = A
    • B.
    • C. X = 0
    • D. none of the above
    • Discuss


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