1990's
OP Systems of that era...
Windows NT
Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993. It was a high-level-language-based, processor-independent, multiprocessing, multi-user operating system. "NT" was expanded to "New Technology" for marketing purposes but no longer carries any specific meaning.
More OS's from that era
Windows 95
Windows 95 is a consumer-oriented graphical user interface-based operating system. It was released on August 24, 1995 by Microsoft, and was a significant progression from the company's previous Windows products. During development, it was referred to as Windows 4.0 or by the internal codename Chicago.
MacOS X
OS X, previously Mac OS X, is a series of Unix-based graphical interface operating systems developed and marketed by Apple Inc. It is designed to run exclusively on Mac computers, having been pre-installed on all Macs since 2002. It was the successor to Mac OS 9, released in 1999, the final release of the "classic" Mac OS.
Multics
Multics ("Multiplexed Information and Computing Service") was an influential early time-sharing operating system. The project was started in 1964 in Cambridge, Massachusetts. The last known running Multics installation was shut down on October 30, 2000, at the Canadian Department of National Defence in Halifax, Nova Scotia, Canada.
Terms you should know...
Virtual memory - In computing, virtual memory is a memory management technique that is implemented using both hardware and software. It maps memory addresses used by a program, called virtual addresses, into physical addresses in computer memory.
Network connectivity - In mathematics and computer science, connectivity is one of the basic concepts of graph theory: it asks for the minimum number of elements (nodes or edges) which need to be removed to disconnect the remaining nodes from each other.
Network connectivity - In mathematics and computer science, connectivity is one of the basic concepts of graph theory: it asks for the minimum number of elements (nodes or edges) which need to be removed to disconnect the remaining nodes from each other.