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GATE CSE 1999 | Question: 1.7

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GATE CSE 1999 | Question: 1.8
Which of the following functions implements the Karnaugh map shown below? $\bar{A}B + CD$ $D(C+A)$ $AD+\bar{A}B$ $(C+D) (\bar{C}+D) + (A+B)$
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GATE CSE 1999 | Question: 2.17
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GATE CSE 1999 | Question: 1.24
Let $R = (A, B, C, D, E, F)$ be a relation scheme with the following dependencies $C \rightarrow F, E \rightarrow A, EC \rightarrow D, A \rightarrow B $. Which one of the following is a key for $R$? CD EC AE AC
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GATE CSE 1999 | Question: 1.18, ISRO2016-53
Consider the join of a relation $R$ with a relation $S$. If $R$ has $m$ tuples and $S$ has $n$ tuples then the maximum and minimum sizes of the join respectively are $m+n$ and $0$ $mn$ and $0$ $m+n$ and $|m-n|$ $mn$ and $m+n$
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