WAEC - Computer Studies (2020 - No. 10)
In Figure 1, the value of Z when X = 1 and Y=0 is?
0.
1.
10.
11.
Explanation
The diagram and the table above serve as guards in answering the above question.
X= 1 , Y= 0
XY = 0
NAND output = 1
Therefore Z = 1
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