It was the whaling industry.
Whaling use to be the main source of oil that was used for fuel and
lighting in America which was based in the coastal communities of New England. It went into decline when oil was discovered
in 1859. Eventually it replaced whale
oil as a source of fuel and life.
Gmail is an example of a locally installed email client
Answer: Concurrent programs are the programs that execute at the same point of time. They are simultaneous in nature with other concurrent programs.They are executed with the help of threads to achieve the concurrency without the issue of scheduling. They are consider long running programs.
The program that has the low execution time compared with all other programs gets executed first.If the case of no progress is seen then another thread is executed.This type of execution gives the non- deterministic situation in which the possibility of leading completion of any particular program cannot be determined.
System crashes, viruses and fragmented file systems are hallmarks of Windows systems, but your teacher is probably looking for Hard Drive for the answer.