A software has two parts front end and back end. The front end provides an interface and the back end is called a database which contains records of customers. There can be million or trillion of customers. If we have to find out the record of a particular or a number of customers, it is done by a searching method which is an operation on the data structure.
If any software is to be run, at first it is fed into computer memory. In computer memory jobs are entered into queues. And the queue is also a concept of data structure. As we know when jobs and processes are entered then queues are formed. These queues can have too many jobs or processes. In queues, jobs are processed in the same order as they entered. If any job is created it is placed at the end of a queue. Suppose we have to add or delete any job in any order then the concept of the queue will be failed and the concept of link list will be used. If data is to be arranged alphabetically or numerically then it is done by sorting method which is an operation on the data structure. Data structure provides the right way to organize information in the digital space. If any data is to be stored in a hierarchical fashion then the concept of tree is used. It stores data in a hierarchical fashion. In windows, all the directories are stored using the concept of trees.
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