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If the input variable Y in Figure 1 is passed through the device in Figure...

Computer Studies
WAEC 2024

If the input variable Y in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, compute the resulting value of the output at Z. 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

  • A. 0111
  • B. 1011
  • C. 1101
  • D. 110
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Correct Answer: Option B
Explanation

B: (1011)

Y is originally 0101. After passing it through the NOT gate, in Figure 2, it becomes 1010.

 X  \(\overline{Y}\)  Z

 0

 0

 1

 1

 1

 0

 1

 0

 1

 0

 1

 1

 

Z= 1011


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