When using a multiple-level queue strategy, aging is used to ensure that jobs in lower-level queues will eventually complete their execution.

Case Based Critical Thinking ? Case 1 ? Casey works at the Old Kentucky Baseball Bat Emporium.  As the designer of the company website, it's his job to update the site and make sure that it meets the needs of the business.  Mr. Slugg, Casey's boss, recently made it clear that Casey must either add some excitement to the site or face the possibility of losing his job.  He knows that he can add visual stimulation by using Photoshop filters. Casey wants to add an aged look to a few of the images in the Company History section of the Web site.  Which category of filters will help accomplish this?

A. Noise B. Thrush C. Texture D. Sharpen

Because reference type variables are the means by which we access objects, a reference type variable is sometimes called a(n) ____.

A. alias B. message C. friend D. handle