Data Validation

question 23

Multiple Choice

Data validation

• A)Makes data entry for the user difficult
• B)Ensures only valid data is entered
• C)Is not necessary for relational databases
• D)Requires entering data twice

---

Definitions:

TC

An abbreviation commonly used for Total Cost, which encompasses all costs incurred in the production of goods or services.

Scale Of Operation

Refers to the size at which a particular business or factory operates, considering factors like output, capacity, or the amount of work it can perform.

Average Variable Cost

The total variable cost divided by the quantity of output produced, representing the cost of producing one additional unit of goods.

Shutdown Point

The level of output and price at which a firm's revenue just covers its variable costs, below which it would be better for the firm to cease operations.