EBK ESSENTIALS OF MIS
12th Edition
ISBN: 8220101459305
Author: LAUDON
Publisher: PEARSON
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Chapter 7, Problem 4RQ
Explanation of Solution
Bluetooth
- Bluetooth devices are used to transmit low power wireless data with devices in small range distance at the range of 10cm (Centimeter) to 30m (Meter).
- Bluetooth devices contains higher transfer rate at the range of 722 kbps (Kilobits per second).
- It is low-cost and easy to install, simple and convenient to use, and many applications can be transmitted using the device.
- The Bluetooth is used to transmit between music players such as mobile phones to headsets.
- It will connect one computer with another computer.
Wi-Fi (Wireless Fidelity):
- It has third generation wireless access connection. In this, the data is transmitted to or from the node points within the radius range.
- The radius of the network ranges up to meters. The node point is connected to a wired network and shares the data with wireless users.
- It is connected through Local Area Network (LANs), and Wide Area Network (WANs).
WiMAX:
WiMAX stands for Worldwide Interoperability for Microwave Access.
- WiMAX is the forthcoming new technology standard for long distance wireless communications.
- The WiMAX technology is designed to join the Wi-Fi and DSL (Digital Subscriber Line)...
Explanation of Solution
Capabilities and suitable applications of each types of technologies:
Bluetooth – it provides only limited access; it is used to create small personal-area network.
Wi-Fi – it covers from 30 meters to 50 meters; it is used to create small local-area network...
Explanation of Solution
Radio Frequency Identification (RFID):
- RFID is a mobile wireless technology that is used to facilitate supply chain management.
- Movement of data is tracked by RFID. It capture and provide instant goods movement information between the supply chain partners.
Working of RFID:
- RFID system provides a microchip that contains the details of an item and its location...
Explanation of Solution
Wireless Sensor Data (WSN):
It is a network of organized wireless devices. A network consists of thousands of nodes.
It helps to observe the building security or to detect harmful substances in the air.
Working of WSN:
- The WSN are networks of interrelated wireless devices with some processing and radio-transmitting capacity that are embedded into the physical environment to give measurements of various points over huge spaces...
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Add a timer in the following code.
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long elapsedTime;
public GameGUI(Labyrinth labyrinth, Player player, Dragon dragon) { this.labyrinth = labyrinth; this.player = player; this.dragon = dragon; String playerName = JOptionPane.showInputDialog("Enter your name:"); player.setName(playerName); elapsedTime = 0; timer = new Timer(1000, e -> { elapsedTime++; repaint(); }); timer.start();
}
@Override protected void paintComponent(Graphics g) { super.paintComponent(g); int cellSize = Math.min(getWidth() / labyrinth.getSize(), getHeight() / labyrinth.getSize());}
Change the following code so that when player wins the game, the game continues by creating new GameGUI with the same player. However the player's starting position is same, everything else should be reseted.
public static void main(String[] args) { Labyrinth labyrinth = new Labyrinth(10); Player player = new Player(9, 0); Random rand = new Random(); Dragon dragon = new Dragon(rand.nextInt(10), 9); JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon);
frame.setLayout(new BorderLayout()); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(gui, BorderLayout.CENTER); frame.pack(); frame.setResizable(false); frame.setVisible(true); }
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long…
Create a menu item which restarts the game. Also add a timer, which counts the elapsed time since the start of the game level.
When the restart is pressed, the restarted game should ask the player' name (in the GameGUI constructor) and set the score of player to 0 (player.setScore(0)), and the timer should restart again. And create a logic so that if the player loses his life (checkGame if the condition is false), then save this number together with his name into two variables. And display two buttons where one quits the game altogether (System.exit(0)) and the other restarts the game.
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon;
private final ImageIcon playerIcon = new ImageIcon("data/images/player.png"); private final ImageIcon dragonIcon = new ImageIcon("data/images/dragon.png"); private final ImageIcon wallIcon = new ImageIcon("data/images/wall.png"); private final ImageIcon…
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