Data Structures

Question 1

What is an abstract data type?

Answer 1

A blueprint for organizing and working with data that defines what operations can be performed on the data without specifying how they are implemented.

Question 2

What is an array?

Answer 2

A collection of items stored in a contiguous memory block, each identified by an index number, allowing for efficient access to elements based on their position.

Question 3

What is a composite variable?

Answer 3

A variable that can hold multiple pieces of data, often grouped together under a single name.

Question 4

What is a container?

Answer 4

A data structure that holds a collection of elements, providing methods to add, remove, and access items within it.

Question 5

What is a data structure?

Answer 5

A way of organizing and storing data in a computer’s memory designed to facilitate the efficient retrieval, insertion, and deletion of data.

Question 6

What is a linked list?

Answer 6

A sequence of elements where each element points to the next one, forming a chain.

Question 7

What is a linked structure?

Answer 7

Any structure composed of elements connected by links or pointers, enabling dynamic relationships among data elements.

Question 8

What is a list?

Answer 8

A collection of items arranged in a linear sequence, allowing for easy access to and the insertion and deletion of elements.

Question 9

What is a queue?

Answer 9

A data structure that follows a first-in, first-out (FIFO) order where elements are added to the back and removed from the front.

Question 10

What is a record?

Answer 10

A data structure that groups related pieces of information under a single name, typically consisting of multiple fields or attributes.

Question 11

What is a stack?

Answer 11

A data structure that follows a last-in, first-out (LIFO) order where elements are added and removed from the same end, known as the top.