Given the following queue, which pointer points to the new item when the operation studentsQueue.Queue(new Item) is executed? This queue implementation removes from head when Dequeue is called. studentsQueue head: data: Tom data: Sam data: Tim tail: null next: next: next: using new Item data: Hal null next: The studentsQueue head pointer Node Tom's next pointer The null pointer Node Tim's next pointer

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Given the following queue, which pointer points to the new item when the operation
studentsQueue.Queue(new Item) is executed? This queue implementation removes from head when
Dequeue is called.
studentsQueue
head:
data: Tom
data: Sam
data: Tim
tail:
next:
null
next:
next:-
new Item
data: Hal
null
next:-
The studentsQueue head pointer
Node Tom's next pointer
The null pointer
Node Tim's next pointer
Transcribed Image Text:Given the following queue, which pointer points to the new item when the operation studentsQueue.Queue(new Item) is executed? This queue implementation removes from head when Dequeue is called. studentsQueue head: data: Tom data: Sam data: Tim tail: next: null next: next:- new Item data: Hal null next:- The studentsQueue head pointer Node Tom's next pointer The null pointer Node Tim's next pointer
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