e/DECSYSTEM-20

Information
has gloss	eng: The DECSYSTEM-20 was a 36-bit Digital Equipment Corporation PDP-10 mainframe computer running the TOPS-20 operating system.
lexicalization	eng: DECsystem-20
instance of	(noun) a large digital computer serving 100-400 users and occupying a special air-conditioned room mainframe computer, mainframe