a file system the file is identified by: A$.$ A name B$.$ A number C$.$ entification D$.$ A type $148.$ Contiguous allocation is: A$.$ One of th

ethods of memory management B$.$ One of the last methods of

ry management C$.$ One of the best method of memory

ement D$.$ One of the fast methods of memcy management $149.$

ocess Communication by using Message passing consists of: A$.$

an area of memory shared among the processes that wish to

unicate B$.$ Using lock and unlock operations to communicate C$.$

network system by processes to communicate D$.$ Using send and

operations to communicate $150.$ The cost of Context Switch Time