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The basic types of programmable arrays are made up of ________.

  • A.AND gates
  • B.OR gates
  • C.NAND and NOR gates
  • D.AND gates and OR gates

Answer: D

Correct answer: AND gates and OR gates

Programmable arrays implement sum-of-products expressions, so they consist of an AND plane forming the product terms and an OR plane summing them. Whether one plane, the other, or both are programmable is what distinguishes PROM, PAL and PLA.

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