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MCQ

What is the time complexity for inserting/deleting at the beginning of the array?

O(1)

O(n)

O(logn)

O(nlogn)

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How will you implement dynamic arrays in Java?

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A variable P is called pointer if

P contains the address of an element in DATA

P points to the address of first element in DATA

P can store only memory addresses

P contain the DATA and the address of DATA

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The memory address of fifth element of an array can be calculated by the formula

LOC(Array[5]=Base(Array)+w(5-lower bound), where w is the number of words per memory cell for the array

LOC(Array[5])=Base(Array[5])+(5-lower bound), where w is the number of words per memory cell for the array

LOC(Array[5])=Base(Array[4])+(5-Upper bound), where w is the number of words per memory cell for the array

None of above

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Declaration and usage of arrays can be of basic numbered ways of

2 types

3 types

4 types

5 types

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For a linear search in an array of n elements the time complexity for best, worst and average case are ......., ....... and ........ respectively

O(1),O(n) and O(n)

O(1), O(n) and O(n/2)

O(n), O(1), and O(n/2)

O(1), O(n) and (n-1/2)

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