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Programmable Logic Devices (PLD) (Electronics) Question and Answers-Page first

Programmable Logic Devices (PLD) problems


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  • 1. Once a PAL has been programmed:

  • Options
  • A. it cannot be reprogrammed.
  • B. its outputs are only active HIGHs
  • C. its outputs are only active LOWs
  • D. its logic capacity is lost

  •           Discuss     

  • 2. Which type of PLD should be used to program basic logic functions?

  • Options
  • A. PLA
  • B. PAL
  • C. CPLD
  • D. SLD

  •           Discuss     

  • 3. The complex programmable logic device (CPLD) contains several PLD blocks and:

  • Options
  • A. field-programmable switches
  • B. AND/OR arrays
  • C. a global interconnection matrix
  • D. a language compiler

  •           Discuss     

  • 4. PLAs, CPLDs, and FPGAs are all which type of device?

  • Options
  • A. SLD
  • B. PLD
  • C. EPROM
  • D. SRAM

  •           Discuss     

  • 5. The content of a simple programmable logic device (PLD) consists of:

  • Options
  • A. fuse-link arrays
  • B. thousands of basic logic gates
  • C. advanced sequential logic functions
  • D. thousands of basic logic gates and advanced sequential logic functions

  •           Discuss     

  • 6. The difference between a PLA and a PAL is:

  • Options
  • A. the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
  • B. the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
  • C. the PAL has more possible product terms than the PLA
  • D. PALs and PLAs are the same thing.

  •           Discuss     


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