بى بى سى ميكرو

بى بى سى ميكرو
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	BBC Micro Model A/B (standard configuration)
Developer	BBC
Manufacturer	Acorn Computers
Type	8-bit home computer
Release date	1 ديسمبر 1981 خطأ لوا في وحدة:Time_ago على السطر 102: attempt to call local 'Date' (a nil value).
Lifespan	1981-1994
Introductory price	£235 Model A, £335 Model B (in 1981)
Discontinued	قالب:End date and age
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+) ; 128 KiB (Master) ; Plus 32–128 KB ROM, expandable to 272 KiB
Storage	100–800 KB (DFS) ; 160–1280 KB (ADFS floppy disks) ; 20 MB (ADFS hard disk)
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 articles	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 January 2016.
↑ Turley, Jim (2002). "The Two Percent Solution". www.embedded.com. Archived from the original on 4 March 2016.

الصفحه دى فيها تقاوى مقاله عن كومپيوتر. و انت ممكن تساعد ويكيپيديا مصرى علشان تكبرها.