بى بى سى ميكرو
المظهر
ملف:BBC owl.svg | |
BBC Micro Model A/B (standard configuration) | |
Developer | BBC |
---|---|
Manufacturer | Acorn Computers |
Type | 8-bit home computer |
Release date | 1 ديسمبر 1981 |
Lifespan | 1981-1994 |
Introductory price | £235 Model A, £335 Model B (in 1981) |
Discontinued | [[غلط تعبيري:علامة الترقيم "{" مش متعرف عليها المعلمة المطلوبة مش صح 1=الشهر!]] 1994 (العمر: خطأ لوا في وحدة:Age على السطر 669: attempt to call local 'Date' (a nil value). سنه)[[تصنيف:مواليد {{{4}}}]] |
Units sold | Over 1.5 million |
Media | Cassette tape, floppy disk (optional) – 5.25″ (common) (SS/SD, SS/DD, DS/SD, DS/DD), 3.5″ (rare) (SS/DD, DS/DD), hard disk also known as 'Winchester' (rare), Laserdisc (BBC Domesday Project) |
Operating system | Acorn MOS |
CPU | 2 MHz MOS Technology 6502/6512 |
Memory | 16–32 KiB (Model A/B) 64–128 KiB (Model B+) |
Storage | 100–800 KB (DFS) 160–1280 KB (ADFS floppy disks) |
Display | PAL/NTSC, UHF/composite/TTL RGB |
Graphics | 640×256, 8 colours (various framebuffer modes) 78×75, 8 colours (Teletext) |
Sound | Texas Instruments SN76489, 4 channels, mono TMS5220 speech synthesiser with phrase ROM (optional) |
Input | Keyboard, twin analogue joysticks with fire buttons, lightpen |
Connectivity | Printer parallel, RS-423 serial, user parallel, Econet (optional), 1 MHz bus, Tube second processor interface |
Power | 50 W |
Predecessor | Acorn Atom |
Successor | Acorn Archimedes |
Related | Acorn Electron |
بى بى بى ميكرو (انجليزى: BBC Micro), ده كومپيوتر البى سى بتاع شركة اكرون البريطانيه, الكومپيوتر ده نزلت بالسوق فى 1981, وبطلوا صناعتها فى 1994.[1][2]
مصادر
[تعديل]- ↑ Hachman, Mark (2002). "ARM Cores Climb into 3G Territory". ExtremeTech. Archived from the original on 18 يناير 2016.
- ↑ Turley, Jim (2002). "The Two Percent Solution". www.embedded.com. Archived from the original on 4 مارس 2016.
لينكات برانى
[تعديل]- BBC Micro at مشروع الدليل المفتوح
- BeebWiki – BBC Micro Wiki
- Acorn and the BBC Micro: From education to obscurity (archived)
- The Acorn BBC Micro @ The Centre for Computing History
- BBC Micro connected to the Internet converting RSS headline feeds from the BBC News site into audio Archived 2020-10-28 at the Wayback Machine
- BBC Microcomputers
- Video of a BBC computer show from 1985
- The BBC Microcomputer User Guide
الصفحه دى فيها تقاوى مقاله عن كومپيوتر. و انت ممكن تساعد ويكيپيديا مصرى علشان
تكبرها.