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X, Y and Z respectively, represents?   

Computer Studies
WAEC 2015

X, Y and Z respectively, represents?   

  • A.  input, output and input signals.   
  • B.  output, output and input signals     
  • C.   output, input and output signals.     
  • D.  input, input and output signals.
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Correct Answer: Option D
Explanation

 X, Y, and Z represent input, input, and output respectively.

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