Author Question: Determine the contents of the accumulator after the execution of the following: MOV A, 3FH; A = ... (Read 71 times)

schs14

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Determine the contents of the accumulator after the execution of the following:
  MOV A, 3FH; A = 0011 1110
  XRL A, 7CH; A = EX-OR 7CH
 
  A) 43H B) 64H C) 44H D) 57H

Question 2

Which external resistor is necessary to cause a 36 sec pulse at the output of 74121 monostable multivibrator when joined with a 2000 pF external capacitor?
 
  A) 10.6 K resistor B) 16 K resistor C) 100 K resistor D) 26 K resistor



allisonblackmore

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Answer to Question 1

A

Answer to Question 2

D



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