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NemiM [27]
3 years ago
11

What type of backlighting receives dc power directly from a motherboard and doesn't use an inverter?

Computers and Technology
1 answer:
LenaWriter [7]3 years ago
3 0
The answwer to the type of hardware is led lighting it does not need a inverter
You might be interested in
. the web is based on the ________ protocol
elena55 [62]
The standard (and default) port for HTTP<span> servers to listen on is 80, though they can use any port. </span>HTTP<span> is based on the </span>TCP/IP protocols<span>, and is used commonly on the Internet for transmitting web-pages from servers to browsers.</span>
3 0
3 years ago
Fifty-three percent of U.S households have a personal computer. In a random sample of 250 households, what is the probability th
aleksley [76]

Answer:

The correct Answer is 0.0571

Explanation:

53% of U.S. households have a PCs.

So, P(Having personal computer) = p = 0.53

Sample size(n) = 250

np(1-p) = 250 * 0.53 * (1 - 0.53) = 62.275 > 10

So, we can just estimate binomial distribution to normal distribution

Mean of proportion(p) = 0.53

Standard error of proportion(SE) =  \sqrt{\frac{p(1-p)}{n} } = \sqrt{\frac{0.53(1-0.53)}{250} } = 0.0316

For x = 120, sample proportion(p) = \frac{x}{n} = \frac{120}{250} = 0.48

So, likelihood that fewer than 120 have a PC

= P(x < 120)

= P(  p^​  < 0.48 )

= P(z < \frac{0.48-0.53}{0.0316}​)      (z=\frac{p^-p}{SE}​)  

= P(z < -1.58)

= 0.0571      ( From normal table )

6 0
3 years ago
Where is the best place to self learn c++ or c# that is free?
Elina [12.6K]

Answer:

udemy

Explanation:

Hello guys, you might know that C++ is one of the most popular and powerful object-oriented programming languages and if you want to do low-level stuff then it’s the best language to start with.

You will find applications written in C++ on a wide range of fields like embedded programming, server-side application, gaming, and even high-frequency trading applications. Most of the complex software like Operating Systems, Database Management Systems, and Powerful trading systems are written in C++.

While many of us have learned to program by using C and C++, let me honest with you learning C++ is challenging. There are many areas that are tough to grasp like points but you will learn them slowly and that’s where these free C++ courses will help you.

There is no doubt that learning C++ will open several opportunities for you. There is a huge demand for good C++ developers, especially in the area of high-frequency trading where every microsecond matter and power of C++ is absolutely needed.

C++ is the language which provides the best of both world, it allows you to use OOP to manage the complexity of software but at the same time, it also allows you to get close to your machine and access all of your computer’s hardware, which is not easily possible for other object-oriented languages like Java or Python.

That’s the reason C++ is heavily used for writing native device drivers, high-end desktop games and complex artificial intelligence programs where you need high performance.

In this article, I am going to share with you some of the best and free courses to learn C++ online at your own time and place and free of cost. You can use these courses if you are starting with programming or you have some experience in coding but not familiar with C++.

4 0
3 years ago
Read 2 more answers
Write a Java class to perform the following: 1. Write a method to search the following array using a linear search, ( target ele
Alina [70]

Answer:

Check the explanation

Explanation:

Linear search in JAVA:-

import java.util.Scanner;

class linearsearch

{

  public static void main(String args[])

  {

     int count, number, item, arr[];

     

     Scanner console = new Scanner(System.in);

     System.out.println("Enter numbers:");

     number = console.nextInt();

   

     arr = new int[number];

     System.out.println("Enter " + number + " ");

     

     for (count = 0; count < number; count++)

       arr[count] = console.nextInt();

     System.out.println("Enter search value:");

     item = console.nextInt();

     for (count = 0; count < number; count++)

     {

        if (arr[count] == item)

        {

          System.out.println(item+" present at "+(count+1));

         

          break;

        }

     }

     if (count == number)

       System.out.println(item + " doesn't found in array.");

  }

}

Kindly check the first attached image below for the code output.

Selection Sort in JAVA:-

public class selectionsort {

   public static void selectionsort(int[] array){

       for (int i = 0; i < array.length - 1; i++)

       {

           int ind = i;

           for (int j = i + 1; j < array.length; j++){

               if (array[j] < array[ind]){

                   ind = j;

               }

           }

           int smaller_number = array[ind];  

           array[ind] = array[i];

           array[i] = smaller_number;

       }

   }

     

   public static void main(String a[]){

       int[] arr = {9,94,4,2,43,18,32,12};

       System.out.println("Before Selection Sort");

       for(int i:arr){

           System.out.print(i+" ");

       }

       System.out.println();

         

       selectionsort(arr);

       

       System.out.println("After Selection Sort");

       for(int i:arr){

           System.out.print(i+" ");

       }

   }

}  

Kindly check the second attached image below for the code output.

Bubble Sort in JAVA:-

public class bubblesort {

   static void bubblesort(int[] array) {

       int num = array.length;

       int temp = 0;

        for(int i=0; i < num; i++){

                for(int j=1; j < (num-i); j++){

                         if(array[j-1] > array[j]){

                           

                                temp = array[j-1];

                                array[j-1] = array[j];

                                array[j] = temp;

                        }

                         

                }

        }

   }

   public static void main(String[] args) {

               int arr1[] ={3333,60,25,32,55,620,85};

               

               System.out.println("Before Bubble Sort");

               for(int i=0; i < arr1.length; i++){

                       System.out.print(arr1[i] + " ");

               }

               System.out.println();

                 

               bubblesort(arr1);

               

               System.out.println("After Bubble Sort");

               for(int i=0; i < arr1.length; i++){

                       System.out.print(arr1[i] + " ");

               }

 

       }

}  

Kindly check the third attached image below for the code output.

Binary search in JAVA:-

public class binarysearch {

  public int binarySearch(int[] array, int x) {

     return binarySearch(array, x, 0, array.length - 1);

  }

  private int binarySearch(int[ ] arr, int x,

        int lw, int hg) {

     if (lw > hg) return -1;

     int middle = (lw + hg)/2;

     if (arr[middle] == x) return middle;

     else if (arr[middle] < x)

        return binarySearch(arr, x, middle+1, hg);

     else

        return binarySearch(arr, x, lw, middle-1);

  }

  public static void main(String[] args) {

     binarysearch obj = new binarysearch();

     int[] ar =

       { 22, 18,12,14,36,59,74,98,41,23,

        34,50,45,49,31,53,74,56,57,80,

        61,68,37,12,58,79,904,56,99};

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

        System.out.print(obj.binarySearch(ar,

           ar[i]) + " ");

     System.out.println();

     System.out.print(obj.binarySearch(ar,19) +" ");

     System.out.print(obj.binarySearch(ar,25)+" ");

     System.out.print(obj.binarySearch(ar,82)+" ");

     System.out.print(obj.binarySearch(ar,19)+" ");

     System.out.println();

  }

}

Kindly check the fourth attached image below for the code output

7 0
3 years ago
true of false one reason to move to a paperless society is that printers are becoming prohibitively expensive
Yakvenalex [24]
True because printers, which require paper, are becoming more expensive. A paperless society has the advantage of being cheaper in this aspect.
5 0
3 years ago
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