MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -In computer science, a record (also called a structure, struct, or compound data) is a basic data structure. Records in a database or spreadsheet are usually called “rows". A record is a collection of fields, possibly of different data types, typically in a fixed number and sequence.

Detailed explanation-2: -A data item that is composed of one or more subordinate data items is called a group item . A record can be either an elementary item or a group item. A group item can be either an alphanumeric group item or a national group item .

Detailed explanation-3: -In computer science, a linked data structure is a data structure which consists of a set of data records (nodes) linked together and organized by references (links or pointers). The link between data can also be called a connector.

Detailed explanation-4: -An array is a collection of similar data elements stored at contiguous memory locations. It is the simplest data structure where each data element can be accessed directly by only using its index number. In programming, most of the cases need to store a large amount of data of similar type.

Detailed explanation-5: -An array is a linear data structure that collects elements of the same data type and stores them in contiguous and adjacent memory locations. Arrays work on an index system starting from 0 to (n-1), where n is the size of the array.