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GaryK [48]
2 years ago
5

What is the basic facilities, services, and installations needed to keep a

Computers and Technology
1 answer:
lara31 [8.8K]2 years ago
7 0

Answer:

transportation and communications systems, water and power lines, and public institutions like schools, post offices, and prisons.

Explanation:

You might be interested in
Write a java program that would request user name, id number, and state the time the user has reported at work.​
Troyanec [42]

Answer:

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.time.LocalDateTime;

import java.time.format.DateTimeFormatter;

import java.util.Date;

import java.util.Scanner;  

public class Main {

   private static final DateFormat dateformat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

   private static final DateTimeFormatter datetimeformat = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");

   public static void main(String[] args) {

       

       System.out.println("Enter your ID and Name");

       LocalDateTime current = LocalDateTime.now();

       Scanner sc1 = new Scanner(System.in);  

       String Name= sc1.nextLine();

       int ID = sc1.nextInt();

       System.out.println(Name + "reported at:");

      System.out.println(datetimeformat.format(current));

   }

}

Explanation:

The above program saves the current date-time as well, at the time when the user enters his name and ID. And it prints the same on the screen. Further, you can store these in a data structure like list or class or you can store it in a database as well. Remember, this is the difference between a program and a web application, and not to forget we have a toolkit in case of the web application. And here we are working on the console. Also, a web application has a front panel and back panel. However, a program only solves a computing problem, and there is no well-designed interface with the user. However, programming is the root of all other programmings like web programming, mobile app programming, etc.

3 0
3 years ago
Can someone please help me I need to turn this in my 3:00pm Eastern time
galben [10]

Answer:

1000000000

Explanation:

8 0
2 years ago
1. Create an array of ints with 20 elements. With a random number generator, seeded with time, assign a random number between 1
nikdorinn [45]

Answer:

#include <iostream>

#include<time.h>

using namespace std;

void sort(int a[20],int n)   //selection sort

{

   int i,j,temp;

   for(i=0;i<n;i++)        

   {

       for(j=i+1;j<n;j++)  //finds minimum element

       {

           if(a[i]>a[j])     //swaps minimum element to its right place

           {

               temp=a[i];

               a[i]=a[j];

               a[j]=temp;

           }

       }

   }

}

int main()

{

   srand(time(NULL));

   int arr[20],n=20,i;

   for(i=0;i<n;i++)

       arr[i]=rand() % 100 + 1;    //assigns random number to each array element

   cout<<"Before sorting\n";

   for(i=0;i<n;i++)

       cout<<arr[i]<<" ";   //prints array before calling sort func

   sort(arr,20);     //sort the passed array

   cout<<"\nAfter sorting\n";

   for(i=0;i<n;i++)

       cout<<arr[i]<<" ";  //prints array after sorting

   return 0;

}

OUTPUT :

Please find the attachment below.

Explanation:

The program above first assigns random number from 1 to 100 to each element of array using rand(). srand(time(NULL)) is used to generate new number every time otherwise same random number will be produced at a time. Then sorting method is called in which selection sort algorithm is used.

Selection sort algorithm finds the minimum element in each pass and place it into its right position. For example - 34,54,12,5 is passed

After Pass 1 - 5  54  12  34

After Pass 2 - 5  12  54  34

After Pass 3 -  5  12  34  54

5 0
3 years ago
A computer hard disk starts from rest, then speeds up with an angular acceleration of 190 rad/s2 until it reaches its final angu
Nataly_w [17]
The first thing we are going to do is find the equation of motion:
 ωf = ωi + αt
 θ = ωi*t + 1/2αt^2
 Where:
 ωf = final angular velocity
 ωi = initial angular velocity
 α = Angular acceleration
 θ = Revolutions.
 t = time.
 We have then:
 ωf = (7200) * ((2 * pi) / 60) = 753.60 rad / s
 ωi = 0
 α = 190 rad / s2
 Clearing t:
 753.60 = 0 + 190*t
 t = 753.60 / 190
 t = 3.97 s
 Then, replacing the time:
 θ1 = 0 + (1/2) * (190) * (3.97) ^ 2
 θ1 = 1494.51 rad
 For (10-3.97) s:
 θ2 = ωf * t
 θ2 = (753.60 rad / s) * (10-3.97) s
 θ2 = 4544,208 rad
 Number of final revolutions:
 θ1 + θ2 = (1494.51 rad + 4544.208 rad) * (180 / π)
 θ1 + θ2 = 961.57 rev
 Answer:
 the disk has made 961.57 rev 10.0 s after it starts up
3 0
3 years ago
Read 2 more answers
What is communication barriers?​
SSSSS [86.1K]

Answer:

A communication barrier is anything that prevents us from receiving and understanding the messages others use to convey their information, ideas and thoughts.They can interfere with or block the message you are trying to send.

7 0
3 years ago
Read 2 more answers
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