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MCQs

Total Questions : 9
Question 1.  Which type of PLD should be used to program basic logic functions?
  1.    PLA
  2.    PAL
  3.    CPLD
  4.    SLD
 Discuss Question
Answer: Option B. -> PAL
Question 2.  PLAs, CPLDs, and FPGAs are all which type of device?
  1.    SLD
  2.    PLD
  3.    EPROM
  4.    SRAM
 Discuss Question
Answer: Option B. -> PLD
Question 3.  The OR array in a PAL is ________.
  1.    fixed
  2.    programmable
  3.    nonexistent; there is no OR array in a PAL
  4.    floating
 Discuss Question
Answer: Option A. -> fixed
Question 4.  Once a PAL has been programmed:
  1.    it cannot be reprogrammed.
  2.    its outputs are only active HIGHs
  3.    its outputs are only active LOWs
  4.    its logic capacity is lost
 Discuss Question
Answer: Option A. -> it cannot be reprogrammed.
Question 5.  The difference between a PLA and a PAL is:
  1.    the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
  2.    the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
  3.    the PAL has more possible product terms than the PLA
  4.    PALs and PLAs are the same thing.
 Discuss Question
Answer: Option A. -> the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
Question 6.  The content of a simple programmable logic device (PLD) consists of:
  1.    fuse-link arrays
  2.    thousands of basic logic gates
  3.    advanced sequential logic functions
  4.    thousands of basic logic gates and advanced sequential logic functions
 Discuss Question
Answer: Option D. -> thousands of basic logic gates and advanced sequential logic functions
Question 7.  The complex programmable logic device (CPLD) contains several PLD blocks and:
  1.    field-programmable switches
  2.    AND/OR arrays
  3.    a global interconnection matrix
  4.    a language compiler
 Discuss Question
Answer: Option C. -> a global interconnection matrix
Question 8.  
The basic programmable logic array (PLA) contains a set of _____ gates, _____ gates, and ______ gates.
  1.    NOT, NAND, OR
  2.    NOT, AND, OR
  3.    NAND, AND, NOR
  4.    OR, NOR, AND
 Discuss Question
Answer: Option B. -> NOT, AND, OR
Question 9. . 
The basic programmable logic array (PLA) contains a set of _____ gates, _____ gates, and ______ gates.
  1.    NOT, NAND, OR
  2.    NOT, AND, OR
  3.    NAND, AND, NOR
  4.    OR, NOR, AND
 Discuss Question
Answer: Option B. -> NOT, AND, OR

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