Operating System (OS): The most important program that runs on a computer is operating system. OS is the term that acts as an interface between the hardware and the user. OS does basic operations such as getting input from the keyboard, displaying output in the monitor and monitoring the files. It is responsible for the management to co-ordinate the activities on a computer system. The responsibilities of OS are bound to get higher when it comes to security, because it provides the access rights for users. Windows: Windows is one of the operating systems that develop new versions frequently. It is an aggregation of operating systems developed by Microsoft. It includes Graphical User Interface (GUI) that helps in displaying the required data on the desktop or monitor. It includes various features like hardware adaptability and interdependence, memory management, task management, access security and many others.

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Methods (Ch6) - Review 1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java. There are two methods, method #1 which calculates the square root for positive integers, and method #2, which calculates the square root of positive doubles (also works for integers). public class SquareRoot { public static void main(String[] args) { } // implement a loop of your choice here // Method that calculates the square root of integer variables public static double myRoot(int number) { double root; root=number/2; double root old; do { root old root; root (root_old+number/root_old)/2; } while (Math.abs(root_old-root)>1.8E-6); return root; } // Method that calculates the square root of double variables public static double myRoot(double number) { double root; root number/2; double root_old; do { root old root; root (root_old+number/root_old)/2; while (Math.abs (root_old-root)>1.0E-6); return root; } } Program-it-Yourself: In the main method, create a program that…

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Chapter 9, Problem 41SG

Program Plan Intro

Operating System (OS):

The most important program that runs on a computer is operating system.

OS is the term that acts as an interface between the hardware and the user.

OS does basic operations such as getting input from the keyboard, displaying output in the monitor and monitoring the files.

It is responsible for the management to co-ordinate the activities on a computer system.

The responsibilities of OS are bound to get higher when it comes to security, because it provides the access rights for users.

Windows:

Windows is one of the operating systems that develop new versions frequently.

It is an aggregation of operating systems developed by Microsoft.

It includes Graphical User Interface (GUI) that helps in displaying the required data on the desktop or monitor.

It includes various features like hardware adaptability and interdependence, memory management, task management, access security and many others.

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