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  • Question

  • An OR gate has 6 inputs. What is the only input word that produces a 0 output?


  • Options
  • A. 000000
  • B. 000111
  • C. 111000
  • D. 111111
  • E. None of the above

  • Correct Answer
  • 000000 

    • Digital Computer Electronics problems

    Search Results

    • 1. The functional difference between SR flip-flop and JK flip-flop is that

    • Options
    • A. JK flip-flop is faster than SR flip-flop
    • B. JK flip-flop has a feed back path
    • C. JK flip-flop accepts both inputs 1
    • D. JK flip-flop does not require external clock
    • E. None of the above
      • Discuss
    • 2. The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

    • Options
    • A. X + Y + Z
    • B. XY + YZ
    • C. X + YZ
    • D. XZ + Y
    • E. None of the above
      • Discuss
    • 3. A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

    • Options
    • A. encoder
    • B. decoder
    • C. multiplexer
    • D. demultiplexer
    • E. None of the above
      • Discuss
    • 4. The hexadecimal digits are 0 to 9 and A to _____

    • Options
    • A. E
    • B. F
    • C. G
    • D. D
    • E. None of the above
      • Discuss
    • 5. The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

    • Options
    • A. decimal
    • B. hexadecimal
    • C. binary
    • D. All of the above
    • E. None of the above
      • Discuss
    • 6. Digital design often starts by constructing a _____ table.

    • Options
    • A. Standard
    • B. Two-stage
    • C. Truth
    • D. Two-dinensional
    • E. None of the above
      • Discuss
    • 7. A _____ TTL device can sink up to 16mA and can source up to 400 MA.

    • Options
    • A. Low-power
    • B. high-power
    • C. Standard
    • D. Schottky
    • E. None of the above
      • Discuss
    • 8. With a NAND latch a low R and a low S produce a _____ condition.

    • Options
    • A. race
    • B. set
    • C. reset
    • D. no change
    • E. None of the above
      • Discuss
    • 9. An OR gate can be imagined as

    • Options
    • A. switches connected in series
    • B. switches connected in parallel
    • C. MOS transistors connected in series
    • D. All of the above
    • E. None of the above
      • Discuss
    • 10. A positive AND gate is also a negative

    • Options
    • A. NAND gate
    • B. NOR gate
    • C. AND gate
    • D. OR gate
    • E. None of the above
      • Discuss

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