Q.1

The difference between a PLA and a PAL is:

  • the PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane
  • the PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane
  • the PAL has more possible product terms than the PLA
  • PALs and PLAs are the same thing.
Q.2

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

  • fuse-link arrays
  • thousands of basic logic gates
  • advanced sequential logic functions
  • thousands of basic logic gates and advanced sequential logic functions
Q.3

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

  • PLA
  • PAL
  • CPLD
  • SLD
Q.4

Once a PAL has been programmed:

  • it cannot be reprogrammed.
  • its outputs are only active HIGHs
  • its outputs are only active LOWs
  • its logic capacity is lost
Q.5

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

  • field-programmable switches
  • AND/OR arrays
  • a global interconnection matrix
  • a language compiler
Q.6

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

  • SLD
  • PLD
  • EPROM
  • SRAM
Q.7

There are five steps in the PLD prototyping process.

  • True
  • False
Q.8

The OR array in a PAL is ________.

  • fixed
  • programmable
  • nonexistent; there is no OR array in a PAL
  • floating
Q.9

SLDs and PLDs are digital logic ICs that can have their function changed through programming.

  • True
  • False
Q.10

The basic programmable logic array (PLA) contains a set of _____ gates, _____ gates, and ______ gates.

  • NOT, NAND, OR
  • NOT, AND, OR
  • NAND, AND, NOR
  • OR, NOR, AND
Q.11

Both the AND and OR arrays in a PAL are programmable.

  • True
  • False
Q.12

CAD software can be used to create a detailed logic circuit that will perform like an actual PLD.

  • True
  • False
Q.13

A FPGA is an array of programmable logic blocks that are interconnected by OR gates.

  • True
  • False
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