One needs to put down an ESD mat to have a comfortable place to sit when working on a computer part that has at least one metal component

____________________ is a systm of earth-orbiting satellites used as a navigation system.

Fill in the blank(s) with the appropriate word(s).

DBMSs available for use on personal computers include ____ and Corel Paradox.

A. IBM DB2 B. Microsoft Access C. Adobe Acrobat D. Adobe Fireworks