Take for example, a dam. Water flows through the gates (when opened) of the dam and turn turbines. Inside these turbines are coils of copper usually that generate electricity.
Marketing decision support systems can analyze customer buying preferences and determine target markets. Marketing decision support systems generally work across departments to get information about customers.
Portable GPS units work anywhere, in any car or handheld. A factory installed GPS unit generally cannot be moved to another car.
Generally gear pumps are used in hydraulic systems.
That is the organismal level. Many organisms have several organ systems.
all systems
Drawbacks of paperless communications generally focus on not having a paper trail for work, or correspondence. If systems have issues and information is not backed up, it is lost.
Investors are generally not given free access to trading systems. Entry into the exchange's systems is intermediated by brokers.
No. Mac systems are normally more expensive than Window-based systems.
the skeletal and muscular systems
Cars don't use pneumatic brakes. Those are generally used on large vehicles like trains.
Body systems work together to keep the body healthy and the body systems are interdependent (they rely on each other).
The respiratory and circulatory systems work together to transport oxygen to the cells and remove carbon dioxide. The nervous and muscular systems work together to control movement. The endocrine and reproductive systems work together to regulate hormone production for reproduction.