S: (n) slide rule, slipstick (analog computer consisting of a handheld instrument used for rapid calculations; have been replaced by pocket calculators)
S: (n) digital computer (a computer that represents information by numerical (binary) digits)
S: (n) planner (a notebook for recording appointments and things to be done, etc.)
S: (n) von Neumann machine (any digital computer incorporating the ideas of stored programs and serial counters that were proposed in 1946 by von Neumann and his colleagues)
S: (n) workstation (a desktop digital computer that is conventionally considered to be more powerful than a microcomputer)
S: (n) predictor (a computer for controlling antiaircraft fire that computes the position of an aircraft at the instant of a shell's arrival)
S: (n) server, host ((computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network)
S: (n) web site, website, internet site, site (a computer connected to the internet that maintains a series of web pages on the World Wide Web) "the Israeli web site was damaged by hostile hackers"
S: (n) chat room, chatroom (a site on the internet where a number of users can communicate in real time (typically one dedicated to a particular topic))
S: (n) portal site, portal (a site that the owner positions as an entrance to other sites on the internet) "a portal typically has search engines and free email and chat rooms etc."