Natural systems are systems that came into being by natural processes. Like the rain cycle.
Technological systems are those to whom people intervened or designed. Like diverting water for a rider for land irrigation.
Answer:
A. Is the page-replacement algorithm most often implemented.
Explanation:
This algorithm is used when a page that is not present in memory is called, leading to the Operating System to replace one of the existing pages with the needed one. There are different replacing algorithms in order to decide which page will be replaced.
This algorithm is implemented to reduce the number of failures and provide a better funcionality and speed the process by discarding pages that won't be used for a long period of time.
Answer:
In order to reduce the risk of accidents on the roads.
Explanation:
The special equipment is used when testing eyesight for a driver's license in order to reduce the risk of accidents on the roads. Good eyesight is very important for good and safe driving so to find out the eyesight of the driver, the license officer used special equipment in order to check driver's eyes. If the eyesight is good, the officer provide license to the person otherwise not so that no accidents happen on the road.