Computer keyboard — A key being pressed on a computer keyboard. In computing, a keyboard is a typewriter style keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper… … Wikipedia
Motorola MicroTAC — The Motorola MicroTAC was a cellular phone first manufactured as an analog phone in 1989. The GSM compatible and TDMA/Dual Mode phones were introduced in 1994. The MicroTAC introduced an innovative new flip design, where the mouthpiece folded… … Wikipedia
TI-Nspire series — TI Nspire CX Type Programmable, Graphing Manufacturer Texas Instruments Introduced February 25, 2011 Predeces … Wikipedia
Keyboard (computing) — In computing, a keyboard is an input device partially modelled after the typewriter keyboard which uses an arrangement of buttons, or keys which act as electronic switches. A keyboard typically has characters engraved or printed on the keys, and… … Wikipedia
PowerBook Duo — Apple PowerBook Duo 2300c with standard CD jewel case, for size comparison. The PowerBook Duo was a line of small subnotebooks manufactured and sold by Apple Computer from 1992 until 1997 as a more compact companion to the PowerBook line.… … Wikipedia
Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… … Wikipedia
Atari 8-bit computer peripherals — This article covers the range of peripherals available for Atari s 8 bit home computer range (including the 400/800, XL and XE series machines).All of Atari s external peripherals used the proprietary SIO port, which allowed them to be daisy… … Wikipedia
StyleWriter — Introduced March 1, 1991 Discontinued January 1, 1993 Minimum 64 KiB Maximum 64 KiB … Wikipedia
Nokia 7110 — A Nokia 7110 opened to expose its keypad. The Nokia 7110 was the first mobile phone with a WAP browser.[1][dead link] It was announced in … Wikipedia
HP 2640 — The HP 2640A and other HP 264X models were block mode smart and intelligent ASCII standard serial terminals produced by Hewlett Packard using the Intel 8008 and 8080 microprocessors.HistoryThe HP 2640A [cite journal |first=James A. |last=Doub… … Wikipedia
Macintosh — This article is about Apple personal computers. For other uses, see McIntosh. The original Macintosh, the first commercially successful personal computer to use a graphical user interface, rather than a command line … Wikipedia