Where was virtual memory used for the first time?

A virtual memory divides a virtual address space into:

The virtual memory is divided into:

Which of computers used virtual memory?

If a system has a virtual memory often used pages will be:

What kind of addresses does the virtual memory use:

Every address in virtual memory consists of the following parts:

What is on the top of the memory hierarchy?

A memory consistency means:

What is used to indicate whether the corresponding page is in real memory or not?

Dynamic memory consists of: