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8090 [49]
3 years ago
15

A group of students writes their names and unique student ID numbers on sheets of paper. The sheets are then randomly placed in

a stack. Their teacher is looking to see if a specific ID number is included in the stack. Which of the following best describes whether their teacher should use a linear or a binary search?
A. The teacher could use either type of search though the linear search is likely to be faster.
B. The teacher could use either type of search though the binary search is likely to be faster.
C. Neither type of search will work since the data is numeric.
D. Only the linear search will work since the data has not been sorted.
Computers and Technology
1 answer:
kirill [66]3 years ago
6 0

Answer:

D

Explanation:

For the linear search, the input range doesn't need to be sorted. It works on a both unsorted and sorted array.

For binary search, the input range must be sorted, otherwise, it will fail.

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File Sales.java contains a Java program that prompts for and reads in the sales for each of 5 salespeople in a company. It then
myrzilka [38]

Answer:

import java.util.Scanner;

public class Sales

{

public static void main(String[] args) {

   

    int sum;

    Scanner input = new Scanner(System.in);

   

    System.out.print("Enter number of salespeople: ");

    int salespeople = input.nextInt();

    int[] sales = new int[salespeople];

       

    for (int i=0; i<sales.length; i++)

    {

     System.out.print("Enter sales for salesperson " + (i+1) + ": ");

     sales[i] = input.nextInt();

    }

    System.out.println("\nSalesperson   Sales");

    System.out.println("--------------------");

    sum = 0;

       int maxSale = sales[0];

       int minSale  = sales[0];

       int minId=1;

       int maxId=1;

    for (int i=0; i<sales.length; i++)

    {

               System.out.println("     " + (i+1) + "         " + sales[i]);

 sum += sales[i];

  if(maxSale < sales[i])

           {

               maxSale = sales[i];

               maxId = i+1;

           }

           if(minSale > sales[i])

           {

               minSale = sales[i];

               minId = i+1;

           }

   }

System.out.println("Total sales: " + sum);

       System.out.println("The average sale is: " + sum / salespeople );

       System.out.println("Salesperson "+ maxId + " had the highest sale with "+ maxSale + ".");

       System.out.println("Salesperson "+ minId + " had the lowest sale with "+ minSale + ".");

       

       int amount = 0;

       int counter = 0;

       System.out.print("Enter an amount: ");

       amount = input.nextInt();

       for (int i=0; i<sales.length; i++)

    {

     if(sales[i] > amount) {

         counter++;

         System.out.println("Salesperson "+ (i+1) + " exceeded given amount. (Number of sales: " + sales[i] +")");

     }

    }

       System.out.println("Number of salespeople exceeded given amount is: "+ counter);

}

}

Explanation:

- Ask the user for the number of salesperson

- According to entered number, create an array called sales to hold sale number for each person

- In the first for loop, assign the given sales numbers

-  In the second for loop, print all the sales people with sales, calculate the total sales. Also, find the minimum and maximum sales numbers with associated individuals.

- Print total, average, highest, and lowest sales.

- Ask user enter an amount

- In the third for loop, find the sales people who exceeded this amount.

- Print number of sales people who exceeded the amount.

8 0
3 years ago
Which of the following is the most abstract?
marysya [2.9K]

D. The word "food" is the most abstract because it is the least specific and does not specify what food it is exactly.

Hope this helps!! :)

4 0
3 years ago
Read 2 more answers
A(n) _______ attack attempts to make a server or network unavailable to serve legitimate users by flooding it with attack packet
malfutka [58]

Answer:

DoS or Denial of Service

Explanation:

Have a nice day! :)

3 0
3 years ago
The first mechanical computer design in by Charles Babbage was Called​
White raven [17]

Answer:

<h2>Analytical Engine</h2>

Explanation:

Analytical Engine, generally considered the first computer, designed and partly built by the English inventor Charles Babbage in the 19th century (he worked on it until his death in 1871).

7 0
3 years ago
Read 2 more answers
A device that modulates digital data onto an analog signal and then demodulates the analog signal back to digital data is a ____
LenKa [72]
A modem. (From modulator-demodulator)
5 0
3 years ago
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