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It was the first update to the original Macintosh 128K.
It was identical to the previous Macintosh, differing only in the amount of RAM (random access memory) it included.
This allowed it to run more complex software, giving it greater business capabilities.

Technical specifications of computer Macintosh 512K

Manufactured by: Apple
Launched: 1984
Discontinued: 1986
Price: 2795 USD
Manufactured in USA
CPU: Motorola 68000 @ 7.8338MHz
Memory: 512 KB
Support: Diskette 3½"
Hard drive:
Operating system: Mac OS

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Contemporary computers of Macintosh 512K


Manufacturer: Amstrad
CPU: Zilog Z80 @ 4 MHz



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Manufacturer: Sony
CPU: Zilog Z80 @ 3.58 MHz


The Spanish keyboard version of Sony's implementation of the MSX-1 standard.

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Manufacturer: Philips
CPU: Z80A


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Manufacturer: IBM
CPU: Intel 8088 @ 4.77 MHz


This is IBM's first computer designed for the home, with a cost-cutting approach compared to its professional terminals.

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Manufacturer: IBM
CPU: Intel 80286 @ 6 MHz



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Manufacturer: Mitsubishi
CPU: Z80A NEC clone (D780C-1)

The Mitsubishi ML-F48 is the adaptation for Europe of the ML-F120.

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Manufacturer: Commodore
CPU: MOS Technology 7501 @ 0.89 MHz


It was created with the intention of replacing the Commodore VIC-20.

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Manufacturer: Commodore
CPU: MOS Technology 7501 @ 0.89 MHz


A low-cost model sold in Europe (mostly in Germany).

Technically, it was identical to the C16, but had a smaller case and a rubber keyboard.

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Manufacturer: Commodore
CPU: MOS Technology 7501 @ 1.76 MHz


Its name refers to the ROM-resident office suite composed of four applications (word processor, spreadsheet, database, and graphics).

It was not a success in the United States, but it was sold in Europe.

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Manufacturer: Oric
CPU: Synertek SY6502A o Rockwell R6502AP (clones de MOS6502) 6502 @ 1 MHz


This second model corrects the main problem of the Oric-1, which was its "semi-mechanical pivot" keyboard.

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Manufacturer: Sinclair
Launched: Jan 1984
CPU: Motorola 68008 @ 7.5 MHz

Innovations: The first multitasking personal computer to hit the market.

This computer was Sir Clive Sinclair's first attempt at creating a business computer.

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Manufacturer: Apple
Launched: Jan 1984
CPU: Motorola 68000 @ 7.8336 MHz


The first Apple Macintosh.

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Manufacturer: Apple
Launched: May 1984
CPU: MOS Technology 65C02

It was the first portable Apple II.

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Manufacturer: Sinclair
Launched: Oct 1984
CPU: Zilog Z80 @ 3.54 MHz


Sinclair incorporated a professional-looking keyboard by abandoning the rubber keys.

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Manufacturer: Tandy
Launched: Nov 1984
CPU: Intel 8088 @ 4.77 MHz


The Tandy compatible PC.

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