hierarchical computer network
61Farouk Kamoun — Infobox Scientist name = Farouk Kamoun box width = image width = 200 caption = birth date = Oct 20, 1946 birth place = Sfax death date = death place = residence = Tunis citizenship = Tunisia nationality = Tunisian ethnicity = Arabic field =… …
62Diffusion of innovations — The diffusion of innovations according to Rogers. With successive groups of consumers adopting the new technology (shown in blue), its market share (yellow) will eventually reach the saturation level. In mathematics the S curve is known as the… …
63TCP/IP model — See also: Internet Protocol Suite The TCP/IP model (Transmission Control Protocol/Internet Protocol) is a descriptive framework for the Internet Protocol Suite of computer network protocols created in the 1970s by DARPA, an agency of the United… …
64Leonard Kleinrock — Leonard Kleinrock, Ph.D. (born June 13, 1934 in New York) is a computer scientist, and a professor of computer science at UCLA s Henry Samueli School of Engineering and Applied Science, who made several important contributions to the field of… …
65OSI model — 7. Application layer NNTP  · SIP  · SSI  · DNS  · FTP  · Gopher  · …
66Operating system — Operating systems …
67Control theory — For control theory in psychology and sociology, see control theory (sociology) and Perceptual Control Theory. The concept of the feedback loop to control the dynamic behavior of the system: this is negative feedback, because the sensed value is… …
68OS4000 — Company / developer GEC Computers Ltd. Programmed in Babbage[1] Working state No further development, but still supported Source model Closed source Initial release …
69IP address — For the Wikipedia user access level, see Wikipedia:User access levels#Unregistered users. An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that… …
70information system — Introduction an integrated set of components for collecting, storing, processing, and communicating information (information science). Business firms, other organizations, and individuals in contemporary society rely on information systems… …
