Apple II

The Apple II (styled as Apple ] designed primarily by Steve Wozniak, manufactured by Apple Computer (now Apple Inc.) and introduced in 1977. It is the first model in a series of computers which were produced until Apple IIe production ceased in November 1993.

The first Apple II computers went on sale on June 10, 1977 with a MOS Technology 6502 microprocessor running at 1 MHz, 4 kB of RAM, an audio cassette interface for loading programs and storing data, and the Integer BASIC programming language built into the ROMs. The video controller displayed 24 lines by 40 columns of monochrome, upper-case-only (the original character set matches ASCII characters 20h to 5Fh) text on the screen, with NTSC composite video output suitable for display on a TV monitor, or on a regular TV set by way of a separate RF modulator. The original retail price of the computer was 1298 USD (with 4 kB of RAM) and 2638 USD (with the maximum 48 kB of RAM). To reflect the computer's color graphics capability, the Apple logo on the casing was represented using rainbow stripes, which remained a part of Apple's corporate logo until early 1998. The earliest Apple II's were assembled in Silicon Valley, and later in Texas; printed circuit boards were manufactured in Ireland and Singapore.

Read more about Apple IIOverview, Display and Graphics, Sound, Third-party Devices and Applications, Power Source

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List Of Computer System Emulators - 8-bit Systems - Apple II
... version Last release System Platform License Link Agat Emulator 1.21 02011-05-05May 5, 2011 Apple II, Agat 7, Agat 9 Windows GPL AppleIIGo 1.0.8 02011-06-14June 14, 2011 ...
List Of 8-bit Computer Hardware Palettes - Apple - Apple II Series
... See also Apple II graphics The Apple II series features a 16-color composite video YPbPr palette, that comprises 15 different colors plus a duplicate gray ... The original Apple II has two graphic modes, along with a 40 columns text mode and some mixed graphic+text modes ... When an RF modulator is employed to plug the Apple II into an NTSC TV set, many colors vary, and, dramatically, the brown and light blue, which when converted from YCbCr to YIQ color space by the RF ...
Graphics Mode Details - Apple II Graphics Modes
... See also Apple II graphics modes The Apple II featured not only the graphics modes of its precursors, but several new modes similar to ones found on the Atari ST and Commodore Amiga ...
Apple II - Power Source
... Rod Holt is credited (for example in the Walter Isaacson biography of Jobs) with the solution ... Holt employed a Switched-mode power supply design ...
Apple II Graphics
... The Apple II graphics were composed of idiosyncratic modes and settings that could be exploited ... This graphics system debuted on the original Apple II, continued with the Apple II Plus and was carried forward and expanded with the Apple IIe, Enhanced IIe, IIc, IIc ...

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