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Jamia Millia Islamia MCA Previous Year Questions (PYQs)

Jamia Millia Islamia MCA Data Structures PYQ


Jamia Millia Islamia MCA PYQ

Which of the following statement is correct about the array?






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Jamia Millia Islamia MCA Previous Year PYQ Jamia Millia Islamia MCA JAMIA MILLIA ISLAMIA MCA 2024 PYQ

Solution

A (run time only) is false; arrays in many languages (like C static arrays) are allocated at compile time. C is false because an array is a linear data structure (though it stores homogeneous types). Hence the correct statement is compile-time allocation.

Jamia Millia Islamia MCA PYQ
What is the time complexity of binary search in a sorted array?





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Jamia Millia Islamia MCA Previous Year PYQ Jamia Millia Islamia MCA JAMIA MILLIA ISLAMIA MCA 2025 PYQ

Solution

Binary search repeatedly divides the search space by half. Complexity = O(log⁡n)

Jamia Millia Islamia MCA PYQ
If A, B and C are three sets such that $A \cap B = A \cap C$ and $A \cup B = A \cup C$, then:





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Jamia Millia Islamia MCA Previous Year PYQ Jamia Millia Islamia MCA JAMIA MILLIA ISLAMIA MCA 2019 PYQ

Solution

Given $A \cap B = A \cap C$ and $A \cup B = A \cup C$ These conditions hold only if $B = C$.

Jamia Millia Islamia MCA PYQ
What is the time complexity of a linear search in an unsorted array?





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Jamia Millia Islamia MCA Previous Year PYQ Jamia Millia Islamia MCA JAMIA MILLIA ISLAMIA MCA 2025 PYQ

Solution

Linear search checks each element sequentially until the desired element is found. In the worst case it checks all elements. Time Complexity = O(n)

Jamia Millia Islamia MCA PYQ
Which of the following is true about a stack data structure?





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Jamia Millia Islamia MCA Previous Year PYQ Jamia Millia Islamia MCA JAMIA MILLIA ISLAMIA MCA 2025 PYQ

Solution

A stack works on the Last In First Out principle.


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