Apple II

Apple II

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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.
Click here to view an ad introducing the APPLE ][
The Apple ][ plus

APPLE II AND II+ Introduced in 1977, the Apple II came with 4K RAM and hooked up to a TV and cassette tape recorder. A floppy disk was available in 1978. In 1979, an enhanced II+ came with 48K of RAM. Screen resolution is 280x192x6. 

The back

  • Model; A2S1048
  • I have two Apple ][ plus
    • SN; A2S2-292395, made in 1979, Cupertino California, USA 
    • SN; A2S2-583593, made in Singapore.

The paddles and an analog adapter for joystick.
The famous disk drive

Apple ][ clone

The Apple ][ was cloned by the hundred in the early 1980's.
The name of this one is TC-80A.

The Apple I, the grandfather of all Apple Computers!

  • Processor: MOS Technology 6502, 1.023 MHz.
  • Memory: Came with 4k RAM (expandable to 8k, 65k with clever hack).
  • Ports: any standard ASCII keyboard that could be installed (as shown at left), and any monitor.
  • Display: frame rate of 60.05 Hz, could support 40 characters per line at 24 lines, with automatic scrolling.
Operating System:
  • BASIC, so games could be programmed and played on it. Woz wrote a BASIC language assembler into the ROM by hand using only hex.
Screen shot of the Apple I:
Apple's original logo

The Apple I was the result of the development efforts of Steve Wozniak, Steve Jobs, and Ron Wayne. It was developed in Steve Wozniak's home on 11161 Crist Drive in Los Altos (the house number was later changed to 2066). Steve Wozniak built the printed circuit-board, while Ron Wayne wrote the Apple-1 Operation Manual at his home. Steve Jobs sold it. They first previewed the Apple I in action during a May 1976 meeting of the Homebrew Computer Club. Paul Terell, the owner of the Byte Shop, the only computer store chain at the time, was impressed by what he saw and promised to buy 50 fully assembled computers for $500 each. Jobs insisted it could be done and with the help of Woz, Bill Fernandez (who introduced Jobs to Woz) and Daniel Kottke (a friend of Jobs) they were able to build by hand all 50 of the motherboards two days before their loaned parts were due. They were not the fully assembled computers Terell had asked for, but he paid the men the cash they needed to pay off loans and make a good profit. Apple later sold the Apple I for $666.66.
Jobs originally wanted to sell it for $777.77. Woz insisted that this price was to high so he agreed to sell it for $666.66 When he was asked why he picked this number (the mark of Satan) he answered that he just took a lucky number, 7,
and subtracted one. 

Ron Wayne, left the company shortly after Apple delivered their first order. Because Jobs planned to go highly in debt to build large quantities of the Apple I. Having lost a lot of money in other investments with new computer companies, he wrote a letter of resignation to Apple and gave back his 10% in Apple stock. He received $500 in cash for the work he had done.