When your computer runs out of ram, the operating system borrows space from the cpu.

Respuesta: Los trabajadores de producción.

Explicación:

Answer:

In C++:

#include <iostream>

#include <string>

#include <sstream>

using namespace std;

int main(){

   string lname, fname, stringnum;    int num; string login, pwd;

   cout<<"Last Name: ";    cin>>lname;

   cout<<"First Name: ";    cin>>fname;

   cout<<"Four-digit integer: ";    cin>>num;

   stringnum = to_string(num).substr(0, 4);

   stringstream geek(stringnum);    geek>>num;

   num = num%100;

   pwd = to_string(num);

   if(lname.length()<5){ login = lname + fname.substr(0, 1);    }

   else{ login = lname.substr(0, 5) + fname.substr(0, 1);    }

   cout<<"Login Name: "<<login<<endl;

   cout<<"Password: "<<pwd<<endl;

   return 0;

}

Explanation:

This initializes all the required variables

   string lname, fname, stringnum;    int num;     string login, pwd;

This asks the user for their last name

   cout<<"Last Name: ";    cin>>lname;

This asks for the first name of the user

   cout<<"First Name: ";    cin>>fname;

This prompts for a four-digit number

   cout<<"Four-digit integer: ";    cin>>num;

This converts the number into a string and extracts the first four digits

   stringnum = to_string(num).substr(0, 4);

This changes the string back into an integer

   stringstream geek(stringnum);    geek>>num;

This extracts the last two digits of the four-digit number

   num = num%100;

This generates the user's password

  pwd = to_string(num);

This constructs the user's login name.

This block runs if the last name has fewer than five letters

   if(lname.length()<5){ login = lname + fname.substr(0, 1);    }

This block runs otherwise

   else{ login = lname.substr(0, 5) + fname.substr(0, 1);    }

This displays the login name

   cout<<"Login Name: "<<login<<endl;

This displays the password

   cout<<"Password: "<<pwd<<endl;

Answer:

This is the JAVA code:

import java.util.Scanner; // to obtain user input

//class designed to count occurrences of a character within a string

public class CharacterCounter

//method that calculates how many times a character appears within a string

{ public static int CountCharacter(String userString, char character)

   {  

       int counter = 0;   //keeps track of the number of times the character appears in the string

for (int i=0; i<userString.length(); i++) //iterates over every character in the string

       { // if the character aligns with the one sought in the string

           if (userString.charAt(i) == character)

           counter++;  // increments the character count variable

       }  

       return counter;     } // returns the count of the character found in the string

public static void main(String[] args) {

    Scanner scanner = new Scanner(System. in);// accepts user input

    String string;

    char character;

       System.out.println("Enter a string"); // prompts the user for a string

       string = scanner.nextLine(); //captures the input string

       System.out.println("Enter a character");

       // requests the character input from the user

       character = scanner.next().charAt(0); //captures and reads the character

       System.out.println("number of times character "+character + " appears in the string " + string +": " + CountCharacter(string, character));  }  }

// calls CountCharacter method to display the frequency of a character in the input string

Explanation:

The CountCharacter() method contains a loop where index variable i traverses through each character of the string, incrementing the counter variable by 1 each time the sought character matches. This indicates that the counter maintains the tally of occurrences of the character in the string. The loop terminates when i exceeds the string length, which means the full string has been scanned for the specified character. Finally, the count variable yields the number of times the character was found in the string. The main() function receives user inputs for a string and a character to search for within that string. It subsequently invokes the CountCharacter() function to determine how many times the designated character appears in the specified string, displaying the result on the screen.

The program's output is provided in the attached screenshot.

Response:

a. Current disks do not reveal the actual locations of logical blocks.

Clarification:

Modern disks incorporate scheduling algorithms within the disk drive itself. This presents challenges for operating systems trying to optimize rotational latency. All scheduling methods end up having to perform similarly due to potential constraints faced by the operating system. Disks are typically accessed in physical blocks. Modern technology applies more electronic control to the disk.