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Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Identify the correct sequence of performing a binary search.
Group of answer choices
1. Binary search first checks the first element of the list.
2. If the search key is not found, the algorithm:
i. checks the middle element of the list or
ii. checks the right sublist if the search key is greater than the middle element.
2. If the search key is not found, the algorithm:
i. checks the middle element of the list or
ii. checks the right sublist if the search key is greater than the middle element.
1. Binary search first checks the middle element of the list.
2. If the search key is not found, the algorithm:
i. checks the right sublist if the search key is less than the middle element or
ii. checks the left sublist if the search key is greater than the middle element.
2. If the search key is not found, the algorithm:
i. checks the right sublist if the search key is less than the middle element or
ii. checks the left sublist if the search key is greater than the middle element.
1. Binary search first checks the middle element of the list.
2. If the search key is not found, the algorithm:
i. checks the left sublist if the search key is less than the middle element or
ii. checks the right sublist if the search key is greater than the middle element.
2. If the search key is not found, the algorithm:
i. checks the left sublist if the search key is less than the middle element or
ii. checks the right sublist if the search key is greater than the middle element.
1. Binary search first checks the last element of the list.
2. If the search key is not found, the algorithm:
i. checks the first element of the list or
ii. checks the right sublist if the search key is greater than the middle element.
2. If the search key is not found, the algorithm:
i. checks the first element of the list or
ii. checks the right sublist if the search key is greater than the middle element.
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- A drinks list is searched for Milk using binary search. Drinks list: ( Chai, Cocoa, Coffee, Espresso, Juice, Latte, Milk, Smoothie, Tea ) What is the first drink searched? What is the second drink searched?arrow_forwardSort the following lists using the Bubble Sort algorithm provide Step-by-step answers? a) Original list: [5, 2, 8, 1,6] b) Original list: [8, 3, 1, 5, 4]arrow_forwardBackground: When searching for an item in a list, each item that we examine (compare) is considered to be interrogated. If we search for John, the following names are interrogated: Harry, Larry, John (in that order). If two names tie for the middle position, choose the first of the two names for the middle.If we search this same list for John using the Sequential search we would interrogate all the names from Alice through John. We would start with Alice, move to Bob, move to Carol and so forth until we reached John. Directions: Use the original list of names (Alice - Oliver) to answers questions 1-8. Using a sequential search, what names are interrogated to find Carol? Using a sequential search, what names are interrogated to determine that Sam is not in the list? Using a binary search, what names are interrogated to find Carol? Using a binary search, what names are interrogated to determine that Sam is not in the list? Will a binary search or sequential search find Alice…arrow_forward
- An efficient search maximizes the number of comparisons made. True False Linear search has logarithmic complexity, making it very efficient for a large search pool. True False A binary search can only be performed if the search pool is sorted True Falsearrow_forwardPerform the following operations utilizing c++ code.N.b array size to be used is ten.a)enqueue() i.e enqueue the list; Two,three,four,five,six,seven and eight and after display enqued list.b)dequeue() i.e delete or remove any two elements in the queue in a) above and after display the updated queue after deletion.c)ISfull() i.e Display if the queue is Full or not.d)Isempty() i.e Display if the queue is Empty or not.e)print() i.e print the final list of the elements of the Queue after performing tasks of a) - d).arrow_forwardusing python in google colabarrow_forward
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