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1. The storage policy used by a Queue is a. FIFO (or LILO) b. FILO (or LIFO) Describe the reason of your choice. Your Answer is (a or b) 2. Where does a queue pop a node out? i. front ii. rear Describe the reason of your choice. Your Answer is (i or ii)

1. The storage policy used by a Queue is a. FIFO (or LILO) b. FILO (or LIFO) Describe the reason of your choice. Your Answer is (a or b) 2. Where does a queue pop a node out? i. front ii. rear Describe the reason of your choice. Your Answer is (i or ii)

Database System Concepts
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
Problem 1PE
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**Queue Storage Policy and Node Removal** 1. **The storage policy used by a Queue is:** a. FIFO (or LILO) b. FILO (or LIFO) *Describe the reason for your choice.* Your Answer is _____ (a or b) 2. **Where does a queue pop a node out?** i. front ii. rear *Describe the reason for your choice.* Your Answer is _____ (i or ii) --- **Explanation:** In computer science, a queue is a data structure that operates on a First In, First Out (FIFO) principle. This means that the first element added to the queue will be the first one to be removed, similar to people queuing up in a line. Therefore, the correct storage policy for a queue is FIFO (option a). A queue pops a node out from the front, as this is where the oldest element is located. Hence, the correct choice for where a queue pops a node out is the front (option i).
Transcribed Image Text:**Queue Storage Policy and Node Removal** 1. **The storage policy used by a Queue is:** a. FIFO (or LILO) b. FILO (or LIFO) *Describe the reason for your choice.* Your Answer is _____ (a or b) 2. **Where does a queue pop a node out?** i. front ii. rear *Describe the reason for your choice.* Your Answer is _____ (i or ii) --- **Explanation:** In computer science, a queue is a data structure that operates on a First In, First Out (FIFO) principle. This means that the first element added to the queue will be the first one to be removed, similar to people queuing up in a line. Therefore, the correct storage policy for a queue is FIFO (option a). A queue pops a node out from the front, as this is where the oldest element is located. Hence, the correct choice for where a queue pops a node out is the front (option i).
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