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Data Structures Flashcards | StudBud

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Data Structures

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Questions 9

Answers

1
Which data structure uses LIFO (Last In, First Out) principle?
Stack
Priority Queue
Linked List
Queue
2
How many cats were on the presentation?
20
17
13
24
3
What is a data structure?
A programming language.
A type of software application.
A way to store and organize data in a computer.
A method for compressing data.
4
In a doubly linked list, each node contains?
Data and pointers to both the next and previous nodes.
Data and a pointer to the previous node.
Only a pointer to the next node.
Only data and a pointer to the next node.
5
What is a hash table used for?
To implement LIFO and FIFO structures.
To map keys to values for efficient lookup.
To perform complex mathematical operations.
To store data in a linear fashion.
6
Which data structure would you use to implement a undo functionality?
Queue
Hash Table
Linked List
Stack
7
What is a linked list?
A collection of elements stored in contiguous memory locations.
A type of data compression technique.
A method to sort data.
A data structure where each element points to the next element.
8
Which data structure uses FIFO (First In, First Out) principle?
Linked List
Stack
Queue
Hash Table
9
In which data structure are elements added at the rear and removed from the front?
Hash Table
Priority Queue
Queue
Linked List