ISRO Scientist/Engineer Question Paper Computer Science 2018
36. Question
A has table with 10 buckets with one slot per bucket is depicted here. The symbols, S1 to S7 are initially entered using a hashing function with linear probing. The maximum number of comparisons needed in searching an item that is not present is
0 | S7 |
1 | S1 |
2 | |
3 | S4 |
4 | S2 |
5 | |
6 | S5 |
7 | |
8 | S6 |
9 | S3 |
Answer
37. Question
The running time of an algorithm is given by
T(n) = T(n-1) + T(n-2) – T(n-3) , if n > 3
= n, otherwise
Then what should be the relation between T(1), T(2) and T(3), so that the order of the algorithm is constant?
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38. Question
The number of edges in a regular graph of degree d and n vertices is
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39. Question
Perform window to viewport transformation for the point (20, 15). Assume that (X wmin , Y wmin ) is (0,0) ; (X wmax , Y wmax ) is (100,100) ; (X vmin , Y vmin ) is (5,5) ; (X vmax , Y vmax ) is (20,20). The value of x and y in the viewport is
Answer
40. Question
Given relations R(w,x) and S(y,z), the result of
SELECT DISTINCT w, x
FROM R, S
Is guaranteed to be same as R, if
Answer