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Home ‣ Digital Electronics ‣ Combinational Logic Circuits Comments
  • Question

  • The ________ prefix on IC's indicates a broader operating temperature range, and the devices are generally used by the military.


  • Options
  • A. 54
  • B. 2N
  • C. 74
  • D. TTL

  • Correct Answer
  • 54 

    • Combinational Logic Circuits problems

    Search Results

    • 1. An 8-bit binary number is input to an odd parity generator. The parity bit will equal 1 only if ________.

    • Options
    • A. the number is odd
    • B. the number of 1s in the number is odd
    • C. the number is even
    • D. the number of 1s in the number is even
      • Discuss
    • 2. To subtract a signed number (the subtrahend) from another signed number (the minuend) in the 2's complement system, the minuend is ________.

    • Options
    • A. complemented only if it is positive
    • B. complemented only if it is negative
    • C. always complemented
    • D. never complemented
      • Discuss
    • 3. When Karnaugh mapping, we must be sure to use the ________ number of loops.

    • Options
    • A. maximum
    • B. minimum
    • C. median
    • D. Karnaugh
      • Discuss
    • 4. The final output of a POS circuit is generated by ________.

    • Options
    • A. an AND
    • B. an OR
    • C. a NOR
    • D. a NAND
      • Discuss
    • 5. The Boolean equation ________ results from this Karnaugh map.


    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. For the XNOR gate truth table shown below, the values for w, x, y, and z are ____, ____, ____, and ____, respectively.


    • Options
    • A. 1, 0, 0, 1
    • B. 0, 1, 0, 1
    • C. 1, 1, 1, 0
    • D. 1, 0, 0, 0
      • Discuss
    • 7. A gate that could be used to compare two logic levels and provide a HIGH output if they are equal is a(n) ________.

    • Options
    • A. XOR gate
    • B. XNOR gate
    • C. NAND gate
    • D. NOR gate
      • Discuss
    • 8. The ________ circuit produces a HIGH output whenever the two inputs are unequal.

    • Options
    • A. exclusive-AND
    • B. exclusive-NOR
    • C. exclusive-OR
    • D. inexclusive-OR
      • Discuss
    • 9. The ________ series of IC's are pin, function, and voltage-level compatible with the 74 series IC's.

    • Options
    • A. ALS
    • B. CMOS
    • C. HCT
    • D. 2N
      • Discuss
    • 10. When grouping cells within a K-map, the cells must be combined in groups of ________.

    • Options
    • A. 2's
    • B. 1, 2, 4, 8, etc.
    • C. 4's
    • D. 3's
      • Discuss

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