WAEC - Computer Studies (2024 - No. 13)

Using the given values of X and Y for the device in Figure 1, what will be the value of the output Z if it is passed through the device in Figure 2? 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

0001
0110
0111
1000

Explanation

D: (1000)  
Our original output for Z as gotten in no. (10) is 0111.  
After passing it through the NOT gate in figure 2, it becomes 1000. 

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