up vote 2 down vote. The 'exhaust' meaning of the word enervate is a figurative sense that came in later. The original, now archaic/DSL meaning of enervation is to 'cut the nerve (of)', early 15C. The figurative sense is from the 1550s. enervate: (medicine) To partially or completely remove a nerve.
Lesson Summary. A computer system unit is the enclosure that contains the main components of a computer, typically made of steel or aluminum. It holds all other components together and protects the sensitive electronic parts from the outside elements.
Definition - What does System Integration (SI) mean? System integration (SI) is an IT or engineering process or phase concerned with joining different subsystems or components as one large system. It ensures that each integrated subsystem functions as required.