Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
Expert Solution & Answer
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Chapter 16, Problem 1MC
Program Description Answer

The algorithm that processes the array sequentially to compare all the items with the search value referred as “sequential search”.

Hence, the correct answer is option “A”.

Expert Solution & Answer
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Explanation of Solution

Sequential search:

  • Linear search or sequential search is the process of searching the particular element in the array one by one until it founds out the searching element.
  • Here, it uses the loop iteration to start from the beginning of the array to the last element until it finds out the searching element.
  • This searching process continues until the end of the last element until the searching element found from the array.
  • If the searching element is not present in the array, then the search process returns the message according to unsuccessful search.

Explanation for incorrect options:

b. Binary search

This is the process that uses divide and conquer strategy to find the specific element of an array. The searching process starts from middle element of the array. If the searching element is less than the middle element then it eliminates the second half of the array and it continues searching with the first half of the array.

Hence, option “B” is wrong.

c. Natural order search

Searching the value from the naturally ordered sequence is referred as natural order search. So, this directly finds out the element without comparing all the elements from the array.

Hence, option “C” is wrong.

d. Selection search

This is the algorithm which initially sorts the array by finding the minimum element from unsorted array and it is placed at the beginning. From this sorted array, the search process is continued to search the element. So, this directly finds out the element without comparing all the elements from the array.

Hence, option “D” is wrong.

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Using C language
This is not a graded question so please don't disregard it as if it is. Thank you in advance professor!
AIM: Write a program to do Linear Search using a given Search Key in an un- sorted Linear Array 'A' which has N values in it. Description: The linear search compares each element of the array with the search key until the search key is found. To determine that a value is not in the array, the program must compare the search key to every element in the array 'A'. It is also called "Sequential Search" because it traverses the data sequentially to locate the element. Algorithm: (Linear Search) LINEAR SEARCH (A, N, SKEY) Here A is a Linear Array with N elements and SKEY is a given item of information to search. This algorithm finds the location of SKEY in A and if successful, it returns its location otherwise it returns -1 for unsuccessful. 1. Repeat step-2 for K = 0 to N-1 2. if(A [K] = SKEY) return K [Successful Search] [End of loop of step-1 ] 3. return -1 [Un-Successful] 4. End.

Chapter 16 Solutions

Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

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