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Author Question: What does the instruction ADD A, Rn do? A) It adds the contents of memory to the register Rn and ... (Read 36 times)

stevenposner

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What does the instruction ADD A, Rn do?
 
  A) It adds the contents of memory to the register Rn and places the result in the register Rn.
  B) It adds the contents of register Rn to the accumulator and places the result in the memory.
  C) It adds the contents of memory to the register Rn and places the result in the accumulator.
  D) It adds the contents of register Rn to the accumulator and places the result in the accumulator.

Question 2

In astable operation, the time period of the 555 timer output is expressed as
 
  A) tw = tLO + tHI B) tw = R(.693 ) C) tw = RextCext D) tw = Rext + Rint



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fauacakatahaias

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Answer to Question 1

B

Answer to Question 2

A




stevenposner

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


smrtceo

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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