Data Structures Algorithms-II MCQs

Page No. 95

From the following given tree, what is the code word for the character ‘a’?


a 011

✓


b010

✖


c100

✖


d101

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View Answer 011

In Huffman coding, data in a tree always occur?


aroots

✖


bleaves

✓


cleft sub trees

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d right sub trees

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View Answer leaves

The code length does not depend on the frequency of occurrence of characters.


a true

✖


bfalse

✓


cA & B

✖


dNone of these

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View Answer false

How many bits are needed for standard encoding if the size of the character set is X?


alog X

✓


b X+1

✖


c2X

✖


dX2

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View Answer log X

Which bit is reserved as a parity bit in an ASCII set?


afirst

✖


bseventh

✖


ceighth

✓


dtenth

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View Answer eighth

How many printable characters does the ASCII character set consists of?


a120

✖


b128

✖


c100

✓


d98

✖


View Answer 100

Which of the following algorithms is the best approach for solving Huffman codes?


a exhaustive search

✖


b greedy algorithm

✓


c brute force algorithm

✖


ddivide and conquer algorithm

✖


View Answer greedy algorithm

The problem of placing n queens in a chessboard such that no two queens attack each other is called as?


an-queen problem

✓


b eight queens puzzle

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cfour queens puzzle

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d 1-queen problem

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View Answer n-queen problem

The problem of finding a subset of positive integers whose sum is equal to a given positive integer is called as?


an- queen problem

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bsubset sum problem

✓


cknapsack problem

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dhamiltonian circuit problem

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View Answer subset sum problem

___________ enumerates a list of promising nodes that could be computed to give the possible solutions of a given problem.


aExhaustive search

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bBrute force

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c Backtracking

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dDivide and conquer

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View Answer Backtracking

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