GATE CSE 2002


Q11.

The number of leaf nodes in a rooted tree of n nodes, with each node having 0 or 3 children is
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Q12.

Relation R is decomposed using a set of functional dependencies, F ,and relation S is decomposed using another set of functional dependencies, G. One decomposition is definitely BCNF , the other is definitely. 3NF , but it is not known which is which. To make a guaranteed identification, which one of the following tests should be used on the decompositions ? (Assume that the closures of F and G are available).
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Q13.

Relation R with an associated set of functional dependencies, F , is decomposed into BCNF. The redundancy (arising out of functional dependencies) in the resulting set of relations is.
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Q14.

In serial data transmission, every byte of data is padded with a '0' in the beginning and one or two '1's at the end of byte because
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Q15.

The Newton-Raphson iteration X_{n+1}=(X_{n}/2)+(3/(2X_{n})) can be used to solve the equation
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Q16.

The trapezoidal rule for integration gives exact result when the integrand is a polynomial of degree
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Q17.

The language accepted by a Pushdown Automaton in which the stack is limited to 10 items is best described as
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Q18.

The solution to the recurrence equation T(2^{k})=3T(2^{k-1})+1,T(1)=1 is
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Q19.

The running time of the following algorithm Procedure A(n) If n \leq 2 return (1) else return (A(\sqrt{n})); is best discribed by
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Q20.

Which of the following is true ?
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