A forensics lab should maintain a paper or electronic sign-in log for all visitors. What information should be in this log??
What will be an ideal response?
The log should list the visitor's name, date and time of arrival and departure, employer's name, purpose of the visit, and name of the lab member receiving the visitor.?
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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
Windows XP eliminated must-succeed requests to make the system more stable. Suppose an enterprising programmer rewrote the operating system to accept must-succeed requests, but only when the system had enough main memory to fulfill the requests.What are the pitfalls of this policy?
What will be an ideal response?
What are the benefits of using 3-D formulas?
What will be an ideal response?
The last three letters in a domain name are called the tertiary source.
Answer the following statement true (T) or false (F)