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k0ka [10]
3 years ago
8

When you make a DNS query, where does your computer first check to find an IP address to name mapping?

Computers and Technology
1 answer:
TEA [102]3 years ago
7 0

Answer:

b. Your local machine

Explanation:

Your local machine keeps a cache to minimize the DNS traffic. You can see this for yourself: Type ipconfig /displaydns to view the contents of this cache.

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RAM is memory in the computer
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I am trying to code a lifting simulator game on ro-blox. These problems listed in the third picture tells you the problems. If y
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cool

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The procedure by which a process's state is saved before being swapped out of the cpu, then us restored to the state when the pr
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The procedure is known as<u> context switching</u>.

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3 0
2 years ago
C++ a. Write a program that uses the function isPalindrome given in example 6-6 (Palindrome). Test your program on the followinn
Whitepunk [10]

Answer:

#include <iostream>

#include <array>

using namespace std;

bool isPalindrome(string str)  

{  

int length = str.length();  

for (int i = 0; i < length / 2; i++)  

 if (toupper(str[i]) != toupper(str[length - 1 - i]))

  return false;  

return true;  

}

int main()

{

array<string, 6> tests = { "madam", "abba", "22", "67876", "444244", "trymEuemYRT" };

for (auto test : tests) {

 cout << test << " is " << (isPalindrome(test) ? "" : "NOT ") << "a palindrome.\n";

}

}

Explanation:

The toupper() addition forces characters to uppercase, thereby making the comparison case insensitive.

5 0
3 years ago
One lap around a standard high-school running track is exactly 0.25 miles. Write a program that takes a number of miles as input
salantis [7]

Answer:

import java.util.Scanner;

public class Miles {

public static void main(String[] args) {

   //initialization

       double Number_Miles;

       //print the message

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

       Scanner scn1 = new Scanner(System.in);

       

       Number_Miles = scn1.nextDouble();  //read the input from user

       //calculate the laps

       double yourValue = Number_Miles/0.25;

       //display the output on the screen

       System.out.printf("%.2f", yourValue);

     

}

}  

Explanation:

First import the library Scanner than create the class and define the main function. In the main function, declare the variables.

print the message on the screen and then store the value enter by the user into the variable.

Scanner is a class that is used for reading the output. So, we make the object of the class Scanner and then object call the function nextDouble() which reads the input and store in the variable.

After that, calculate the number of laps by dividing the number of miles with the given one lap running track value (0.25 miles).

Number\,of\,laps = \frac{Number\,of\,miles}{0.25}

the output is stored in the variable.

After that, print the value on the screen with 2 digits after the decimal point.

we can use "%.2f" in the printing function in java.

like System.out.printf("%.2f", output);

5 0
3 years ago
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