About 9% of the population is believed to misuse opiates over the course of their lifetime, including illegal drugs like heroin and prescription pain medications such as Oxycontin. These drugs can cause physical dependence. This means that a person relies on the drug to prevent symptoms of withdrawal. Over time, greater amounts of the drug become necessary to produce the same effect (drug tolerance).
Virtual memory is a feature of an operating system (OS) that allows a computer to compensate for shortages of physical memory by temporarily transferring pages of data from random access memory (RAM) to disk storage. Download this free guide.
Virtual Memory. Processes in a system share the CPU and main memory with other processes. However, sharing the main. memory poses some special challenges. As demand on the CPU increases, processes slow down in some. reasonably smooth way. But if too many processes need too much memory, then some of them will simply.