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Page Queue Data Structure CMSC28 Quiz

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Questions and Answers

What is the major behavior of the queue data structure?

First In Last Out (FILO)
Last In Last Out (LILO)
First In First Out (FIFO) (correct)
Last In First Out (LIFO)

Which operation in queues is responsible for removing an element from the front of the queue?

enqueue()
isEmpty()
dequeue() (correct)
front()

What is the primary difference between a queue and a stack?

A stack follows FIFO while a queue follows LIFO
A stack allows insertions at rear and removal at front, while a queue allows insertions at front and removal at rear
A stack allows insertions and removals at any point, while a queue restricts them to front and rear (correct)
A stack has a fixed size, while a queue can dynamically change in size

Which function in queues is used to check whether the queue is empty?

isEmpty() (B) Signup and view all the answers

What happens when an element is enqueued in a dynamic queue?

The size of the queue increases by 1 (C) Signup and view all the answers

Which data structure serves as an influence for queues in real-world scenarios?

'Line of cars at a toll gate' (C) Signup and view all the answers

What is the main difference between the queue data structure and linked lists?

Queue data structure grows and shrinks at execution time, while linked lists have a predetermined size. (A) Signup and view all the answers

How are queues related to real-life scenarios according to the text?

Queues in computer instructions are similar to queues in banks and ticketing systems. (A) Signup and view all the answers

What problem do dynamic data structures solve that static structures like arrays cannot?

Dynamic data structures allow for unlimited data storage. (B) Signup and view all the answers

How do linked lists differ from dynamic data structures according to the text?

Linked lists have a fixed size, while dynamic data structures grow and shrink as needed. (C) Signup and view all the answers

What is the essential characteristic of dynamic data structures mentioned in the text?

They allocate memory only when needed. (A) Signup and view all the answers

According to Linus Torvalds, what distinguishes good programmers from bad programmers?

Bad programmers worry about code, while good programmers focus on data structures. (B) Signup and view all the answers