State whether the following statement TRUE or FALSE.

The amount of virtual memory available is limited by the availability of secondary storage.

State whether the following statement TRUE or FALSE.

The $$LRU$$ page-replacement policy may cause thrashing for some type of programs.

State whether the following statement TRUE or FALSE.

The use of monitors ensures that no dead -locks will be caused.

State whether the following statement TRUE or FALSE.

The best-fit techniques for memory allocation ensures the memory will never be fragmented.