DCA1207 DATA STRUCTURES JAN FEB 2026

Description

SESSION	JAN/FEB 2026
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER	II
COURSE CODE & NAME	DCA1207 DATA STRUCTURES

 

 

Assignment Set – 1

 

Q.1. Discuss the fundamental components of problem-solving techniques? What is the classification of data structures? (5+5 = 10 Marks)

Ans 1.

Fundamental Components of Problem-Solving Techniques

Problem-solving is a systematic process that involves analyzing a problem before finding a suitable and practical solution. It involves many fundamental parts which together help a programmer through the process of understanding a challenge to finding a solution.

Analyzing the problem is the primary step where the problem is thoroughly studied to

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JAN-FEB 2026

 

Q.2. Write an algorithm to find a particular number in an array and replace it with some other value. (5+5 = 10 Marks)

Ans 2.

Finding and replacing the value in an array is a fundamental operation when programming. This involves scanning every element in the array one by one starting from the index that is first and ending at the last. This is referred to as linear search or sequential search. The method compares every element to the desired value to be searched. When a match is found an element in the

 

Q.3. Write an algorithm to input two 3X3 matrices from the user, multiply them, and display the result matrix. Explain the memory representation of the resulting 2D array. (5+5 = 10 Marks)

Ans 3.

Memory Representation of 2D Array

A memory array with two dimensions is stored in a one-dimensional series of elements in a row-major order. A 3×3 matrix is row zero comprises the initial three memory locations first, then row one takes up the remaining three, and row two the final three. The element at row i and column j is stored at the memory address: base address plus (i multiplied by the number of

 

 

Assignment Set – 2

 

 

Q.4. What is a linked list and its types? Discuss the benefits of using them over array in detail. (10 Marks)

Ans 4.

A linked list is a type of linear data structure that has components, also known as nodes, are linked using pointsers. In contrast to arrays, linked list nodes don’t reside in contiguous memory locations. Every node has two components of a data field which holds the actual value, and a pointer field known as next, which stores the address to the memory of the following node. The

 

 

Q.5. What is a doubly circular queue? Write an algorithm to display the contents of the circular queue. (5+5 = 10 Marks)

Ans 5.

Doubly Circular Queue

A queue is a data structure that follows an First In First Out principle in which elements are added at the rear of the structure and later taken out from the front. A circular queue enhances the basic queue by linking the back position to the front, forming a circle. This removes an empty space on the top of the standard queue after dequeue operations. A doubly circular queue an extension that blends features of the doubly linked list as well as circular queue. Each of the

 

Q.6. Write an algorithm for Binary Search and explain its divide-and-conquer approach. (10 Marks)

Ans 6.

Binary search is an efficient method of searching that helps to identify the desired element within an array of sorted elements. It functions by repeatedly cutting the search interval by half, which drastically reduces the number of comparisons needed in comparison to linear search. While linear search examines every aspect one-by-one and is a time-complex of O(n) while binary