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Home Digital Electronics Programmable Logic Device Comments

  • Question
  • PIA is an acronym for ________.


  • Options
  • A. Programmable Interface Array
  • B. Post Integrated Array
  • C. Programmable Input Array
  • D. Programmable Interconnect Array

  • Correct Answer
  • Programmable Interconnect Array 


  • Programmable Logic Device problems


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    • 1. Which of the following testing procedures has one or more external moving parts?

    • Options
    • A. Bed-of-nails
    • B. Flying probe
    • C. EXTEST
    • D. Boundary scan
    • Discuss
    • 2. A look-up table is simply a truth table with all the possible output connections listed with their desired input response.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Why is the Gray code more practical to use when coding the position of a rotating shaft?

    • Options
    • A. All digits change between counts.
    • B. Two digits change between counts.
    • C. Only one digit changes between counts.
    • Discuss
    • 4. The expansion inputs to a comparator are used for expansion to a(n):

    • Options
    • A. 4-bit system
    • B. 8-bit system
    • C. BCD system
    • D. counter system
    • Discuss
    • 5. For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs?

      A0 = 0 B0 = 1 IA < B = 0
      A1 = 1 B1 = 0 IA = B = 1
      A2 = 1 B2 = 0 IA > B = 0
      A3 = 0 B3 = 0  

    • Options
    • A. A = B = 0, A < B = 0, A > B = 1
    • B. A = B = 0, A < B = 1, A > B = 0
    • C. A = B = 1, A < B = 0, A > B = 0
    • D. A = B = 0, A < B = 0, A > B = 0
    • Discuss
    • 6. The complex programmable logic device (CPLD) features a(n) ________ type of memory.

    • Options
    • A. volatile
    • B. nonvolatile
    • C. EPROM
    • D. volitile EPROM
    • Discuss
    • 7. An SPLD listed as 16H8 would have ________.

    • Options
    • A. active-HIGH outputs
    • B. active-LOW outputs
    • C. variable-level outputs
    • D. latches at the outputs
    • Discuss
    • 8. A(n) ________ is a section of embedded logic that is commonly found in FPGAs.

    • Options
    • A. LUT
    • B. core
    • C. DSP
    • D. PI
    • Discuss
    • 9. The final step in the device programming sequence is ________.

    • Options
    • A. compiling
    • B. downloading
    • C. simulation
    • D. synthesis
    • Discuss
    • 10. Field-programmable gate arrays (FGPAs) use ________ memory technology, which is ________.

    • Options
    • A. DRAM, nonvolatile
    • B. SRAM, nonvolatile
    • C. SRAM, volatile
    • D. RAM, volatile
    • Discuss


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