. To select a block of text, click at the beginning of the selection, scroll to the end of the selection, position the mouse pointer at the end of the selection, hold down the _____ key, and then click (or drag through the text).
Options: identifying sub systems and the interfaces between sub systems, adopting a developed system to the present environment, developing the system as a large, single unit, propose alternatives to the current system
Options: is very primitive at the present, represents the most powerful new industrial automation tool currently on the horizon, will be more useful when robot vision is improved significantly, All of the above
Options: a. Required when a table does not have any unique fields in it
b. The primary key with AutoNumber as the field type
c. Made up of two or more fields to uniquely identify records
d. Is a foreign key that uniquely identifies records