Museo del Computer: Catalogo

Apple Computers Inc

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Apple II

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. Apple IIgs

The personal computer family from Apple that pioneered the microcomputer revolution and has been widely used in schools and home. It uses the 8-bit 6502 microprocessor running at 1MHz, an 8-bit bus and runs under Apple's DOS or ProDOS operating system. AppleSoft BASIC is built into ROM and always available. With a Z80 microprocessor board plugged in, Apple IIs can run CP/M programs, such as dBASE II.

June 1985 - Apple Computer introduces the UniDisk 5.25 (seen on the left of the IIgs), the single 5.25-inch floppy disk drive, with the ability to daisy-chain additional drives through it.
In Sep. 1986 Apple Computer introduces the Apple IIgs, with the Apple 3.5 drive, for $1000 US. The last member of the Apple II line, The Apple IIgs was also the most powerful. It included expanded graphics and sound functions, and was initially offered with 256k of RAM, expandable to 8 MB. The IIgs also offered 128k of ROM, expandable to 1 MB. The IIgs shipped with a Mac-like interface and introduced the Apple Desktop Bus (ADB) port. (It also ran most other Apple II software.). In Sep. 1988 Apple Computer releases GS/OS, a 16-bit operating system for the Apple IIgs. The IIgs was later offered with 1 MB of RAM, and 256k of ROM. It could also hold a SCSI adapter card. In Dec. 1992 Apple Computer discontinues the Apple IIgs.