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Stacks & Queues

QuestionAnswer
A ___________ is a data structure in which the items are added and deleted from one end only (the top). stack
A stack is a ___________ data structure. Last In First Out (LIFO)
The basic operations on a stack are as follows: • ___________ an item onto the stack • ___________ an item from the stack • ___________ at the top element of the stack • check whether the stack is ___________ push pop peek empty
A stack can be implemented as an ___________ or a ___________. array linked list
The middle elements of a stack should ___________ be accessed directly. not
A ___________ is a data structure in which the items are added at one end (the back) and removed from the other end (the front). queue
A queue is ___________ data structure. First In First Out (FIFO)
The basic operations on a queue are as follows: • ___________ an item to the queue • ___________ an item from the queue • ___________ at the first element in the queue • ___________ the queue • check whether the queue is ___________ add, remove, peek at, initialize, empty
A queue can be implemented as an ___________ or a ___________. array, linked list
The middle elements of a queue should ___________ be accessed directly. not
Created by: Araceli05Gomez
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