The Use of Check Digits

question 106

Multiple Choice

The use of check digits

• A) is highly unusual in today's EDP environment.
• B) is very common because of the high reliability of this procedure.
• C) eliminates using key verification as a control procedures.
• D) eliminates using data editing routines as a method to detect errors.

---

Definitions:

Comparative Advantage

The ability of an individual, firm, or country to produce a good or service at a lower opportunity cost than competitors, leading to specialized production and trade benefits.

Specialization

The process in which individuals, firms, or countries focus on producing a narrow range of goods or services to gain greater efficiencies and increase productivity.

Production Possibilities Curves

A graph that depicts the maximum potential output of one good for a given amount of output for another, assuming full efficiency and fixed resources.

Trading Possibilities Curves

Graphical representations that show the different quantities of two goods that a country can produce and trade given the same amount of resources.