Case 5-2 Dean Has Been Using Computers for Some Time Now,but He

question 50

Multiple Choice

Case 5-2
Dean has been using computers for some time now,but he is unfamiliar with a number of utility programs.In order to better maintain his computer,he decides to ask his coworker Andrea for advice on basic utility programs.
-Another thing that Andrea tells Dean is that it is very important for him to ____ all of his important data on a regular basis to protect against data loss in the case of a problem with the computer.He can use a(n) ____ utility to do this.

• A)cleanup
• B)defragment
• C)compress
• D)backup

---

Definitions:

Color Vision

Color vision is the capability of an organism to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.

Weber's Law

A principle in psychophysics stating that the smallest change in a stimulus that can be detected is a constant proportion of the baseline stimulus.

Noticeable Difference

The smallest change in a stimulus that can be detected by the senses.

Minimum Change

The least alteration that can occur in a situation or in the value of a variable.