Main Page | See live article | Alphabetical index Computing is a very broad topic that has become pandemic to modern uses of technology. Computer hardware computer Home computer Mini computer Mainframe computer Routing Software or computer program Firmware Operating systems Application Software Databases Geographic Information System Spreadsheet Word processor Programming languages interpreterss compilers Speech recognition Computer network Internet Industrial data processing Programmable logic controller or PLC Handheld computing technologies Abacus Calculators Pencil (Stylus, chalk, etc.) Personal digital assistants This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.