Hi All, Two of a well known university(Andhra Univeristy,Visakhapatnam) professors has given a statement that "Virtual Memory is available physically in the system in the form of Secondary Memory(HD)".Can you call Hard disk(Secondary Memory) as Virtual memory and can we say the Virtual memory is physically available? If yes, what about the systems that are produced without virtual memory concept in 1960s. Request the experts to Please answer this query. Thanks & Regards, Vijay