airline reservation system
21Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… …
22List of IBM products — The following is a list of notable products from the International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s, and spanning punched card machinery, time clocks, and typewriters, via mainframe… …
23Shared read lock — Information systems store structured information in a Database. A database is created, accessed, and manipulated via a Database management system (DBMS). DBMS theory and practice is an important subdicipline of computer science. Many databases… …
24OS/2 — A typical OS/2 Warp 4 desktop Company / developer IBM Microsoft …
25Semi Automatic Ground Environment — The Semi Automatic Ground Environment (SAGE) was an automated control system for tracking and intercepting enemy bomber aircraft used by NORAD from the late 1950s into the 1980s. In later versions, the system could automatically direct aircraft… …
26IBM DB2 — Developer(s) IBM Initial release 1983 (1983) …
27History of IBM — Timeline= For issues and trends that span particular time periods, see major events, trends, and technologies, below.1880s–1924: The origin of IBMIBM s history dates back decades before the development of electronic computers. It originated as… …
28SQL — This article is about the database language. For the airport with IATA code SQL, see San Carlos Airport. SQL Paradigm(s) Multi paradigm Appeared in 1974 Designed by Donald D. Chamberlin Raymond F. Boyce Developer …
29Automated teller machine — cash machine redirects here. For the Hard Fi song, see Cash Machine. An NCR Personas 75 Series interior, multi function ATM in the United States …
30Electronic business — Electronic business, commonly referred to as eBusiness or e business , or an internet business, may be defined as the application of information and communication technologies (ICT) in support of all the activities of business. Commerce… …
