The act of transferring data from a bus to a peripheral device or from a peripheral device to a bus involves such logical tasks as counting and synchronization. The necessary intelligence is provided by a(n) __________, a chip mounted on the interface board that controls the transfer process.
a. controller
b. clock
c. access method
d. The premise of this question is false.
a. controller
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Multi-dimensional arrays that contain arrays of different lengths in any one dimension are called _________________.
a) ragged arrays b) static arrays c) two-dimensional arrays d) constant arrays e) overloaded arrays
Supose the follwoing program displays a pane in the stage. What is the output if the user presses the DOWN arrow key?
``` import javafx.application.Application; import static javafx.application.Application.launch; import javafx.scene.Scene; import javafx.scene.layout.Pane; import javafx.stage.Stage; // import javafx classes omitted public class Test1 extends Application { @Override public void start(Stage primaryStage) { // Code to create and display pane omitted Pane pane = new Pane(); Scene scene = new Scene(pane, 200, 250); primaryStage.setTitle("MyJavaFX"); // Set the stage title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage pane.requestFocus(); pane.setOnKeyPressed(e -> System.out.print("Key pressed " + e.getCode() + " ")); pane.setOnKeyTyped(e -> System.out.println("Key typed " + e.getCode())); } /** * The main method is only needed for the IDE with limited * JavaFX support. Not needed for running from the command line. */ public static void main(String[] args) { launch(args); } }``` a. Key pressed DOWN Key typed UNDEFINED b. Key pressed DOWN Key typed c. Key typed UNDEFINED d. Key pressed DOWN
Suppose each of the base class and the derived class has a member function with the same signature. Suppose you have a base class pointer to a derived class object and call the common function member through the pointer. Discuss what determines which function is actually called, whether the one from the base class or the one from the derived class. Consider both the situations where the base class function is declared virtual and where it is not.
What will be an ideal response?
Firewalls provide ____ services by examining packet headers and allowing traffic that conforms to estalished rules to continue.
A. packet filtering B. NAT C. application proxy D. TCP/IP