B is the correct answer to ur questions
#1) An important task that the operating system performs is ____, which keeps track of the files stored on a computer so that they can be retrieved when needed.
Answer: File Management System. Keeps track of where files are stored and determines how the files are stored following the operating system file allocation policies. It uses available storage space efficiently for files and creates a record/log of all file usage. It allocates a file to a user if is free, and if they are permitted access to it. Then de-allocates file when the user is finished with it.
Answer:
Radio Corporation of America (RCA)
Explanation:
A corporation is not a video connector.
Answer: A. Flying a paper airplane.
Answer:
import java.util.Scanner;
public class TestClock {
public static void main(String[] args) {
Scanner in = new Scanner (System.in);
System.out.print("Enter favorite color:");
String word1 = in.next();
System.out.print("Enter pet's name:");
String word2 = in.next();
System.out.print("Enter a number:");
int num = in.nextInt();
System.out.println("you entered: "+word1+" "+word2+" "+num);
}
}
Explanation:
Using Java Programming language
- Import the Scanner class
- create an object of the scanner class
- Prompt user to enter the values for the variables (word1, word2, num)
- Use String concatenation in System.out.println to display the output as required by the question.
