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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク DDP-24 ： ウィキペディア英語版 DDP-24 The DDP-24 was a 24-bit computer designed and built by the Computer Control Company, aka 3C or CCC located in Framingham, Massachusetts. CCC consequently became part of Honeywell in 1967.〔Computer Control Company DDP-24 Instruction Manual〕 The DDP-24 was completely transistorized and has a sign magnitude code to represent positive or negative numbers. The processor used binary logic. The DDP-24 used a single address command format and single operation with index and indirect addressing flags. The DDP-24 used magnetic core memory to store data and program instructions. The DDP-24 found use in Space and flight simulators of the mid-1960s and other real-time scientific data processing applications. Peter B. Denes, a researcher at Bell Telephone Laboratories, Inc., installed a DDP-224 system around 1965 for use in speech research.〔Denes, Peter B., "Real-Time Speech Research," Proc. Symposium on the Human Use of Computing Machines, Bell Telephone Laboratories, June 1966, pp. 15-23.〕 It and a DDP-24 were used by Max Mathews, considered by many to be the founding father of computer music, to develop his GROOVE music system, as related by Professor Barry Vercoe in a 1999 MIT Media Lab interview.〔(1999 MIT Media Lab interview with Professor Barry Vercoe )〕 When asked to describe the first MIT experimental music studio, Prof. Vercoe replied, "We began that work when I first arrived in 1971. The first studio we had was in the basement of Building 26, where we had a computer given to MIT by Max Mathews-the Honeywell DDP-24. Max initially developed his GROOVE system on this machine and was kind enough to give it to MIT when I joined the faculty." The 3C DDP-24 used modules or cards called S-Pac’s. These S-Pac cards could be Flip-Flops, NAND gates, Bit Registers etc. and were housed in a DDP-24 S-Bloc card rack.〔(3C Computer Control Company DDP-24 Card Rack circa 1964 )〕 An early raster-scan graphics display was developed for the computer system.〔Noll, A. Michael, "Scanned-Display Computer Graphics," Communications of the ACM, Vol. 14, No. 3, (March 1971), pp. 145-150.〕 == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DDP-24」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.