Programmable Gate Array.

Using and gate - pla is programmable while pal is fixed

There are nine companies in the United States than sell field programmable gate array devices. A couple of these companies are QuickLogic, and Lattice Semiconductor.

The advantages of using an array are that lists of the same data types can be stored easily without the need for a connection to a database. For example, a list of names can be stored in an array and only one variable need be declared.

- Mike Hoerger