What is not true about the Compact and Repair Database utility?
A. It can help when the data becomes corrupt.
B. It can be set up to run automatically when a database is closed.
C. It is used when the database gets too many records in it.
D. It can reduce the size of a database.
Answer: C
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Enhance the Drawing Shapes application that you created in this tutorial. Improve the application so that once you finish drawing a shape, the shape will be given a random velocity and begin to move, bouncing off the walls of the PaintJPanel. Your output should be capable of looking look like Fig. 27.38.
a) Copying the template to your working directory. Copy the C:Examples Tutorial27ExercisesMovingShapes directory to your C:SimplyJava directory.
b) Opening the template file. Open the MyMovingShape.java file in your text editor.
c) Adding a method to your MyMovingShape class to change the position of the shape.
The abstract superclass for this inheritance hierarchy has been renamed MyMoving-
Shape. Add a public method named moveShape to the class. It should take no arguments and have no return type. Two new instance variables, dx and dy, have been added to the MyMovingShape class for you. Variable dx holds the distance along the x-axis that the shape must travel in one move. Variable dy holds the distance along the y-axis that the shape must travel in one move. Add dx to the x1 and x2 values and add dy to the y1 and y2 values. Follow good programming practice by using the cor- responding get and set methods instead of modifying the variables directly.
d) Fini
In the accompanying figure, item 2 points to a ____.
A. graphic box B. text box C. text boundary D. margin
What is another term for thin film transistor (TFT) technology?
A. Active matrix B. Dual scan matrix C. Dual-scan passive matrix D. Passive matrix
What is empowerment?Provide two specific examples.
What will be an ideal response?