XML Schema was created to replicate all DTD functionality in a schema; it does not support any data types beyond what can be found in DTDs.

An expert reviewer complains that both designs may work with young users who are familiar and expert in using a mouse, but that there will be problems for elderly and motor-impaired users who have difficulty controlling a mouse. The reviewer recommends a new design that includes a larger font (20-point size) and a numbered list to allow selection by keyboard easily. Describe a Participatory Design or Social Impact Statement process that might clarify this issue with elderly users.

The State of Maryland is developing a web-voting interface. For selecting the candidates, one design (RB) is a set of radio buttons and another is (CB) a combo-box (drops down when selecting the scroll arrow icon), both using standard fonts at 10-point size.

The individual variables that together make up the array are referred to as:

a. indexed variables b. subscripted variables c. elements of the array d. all of the above