Signs and Symptoms of Substance Abuse. From the American Council for Drug Education, an affiliate of Phoenix House. The following are some of the more common signs and symptoms of drug use. It is important to keep in mind that if a person has any of these symptoms, it does not necessarily mean that he or she is using drugs. They could be due to a mental or physical health problem.
The main difference between data and information is that data is raw material that is to be processed and information is the processed data. Comparison Chart Basis of Distinction
It's internal in the sense that data is stored in the primary memory for quick access by the processor. Secondary storage stores programs and information that isn't needed immediately. Another difference is that primary is generally faster than secondary memory. This is mostly to cut down on the cost of the computer. Fast memory is expensive and seeing that fast memory is more necessary for primary storage it is implemented there.