You left a computer monitor on over the weekend and now notice slight discoloration of the screen. This is called what?

When you decompress ?data that uses a lossy compression algorithm, you regain data lost by compression.

Answer the following statement true (T) or false (F)

What is one reason that it is difficult to devise formulas to answer simple questions about a supermarket checkout system?

A. the variability of essential factors B. the regularity in which customers arrive C. because customers always purchase the same number of items D. because the same number of customers are there at all times of the day