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In computer architecture, 512-bit integers, memory addresses, or other data units are those that are 512 bits (64 octets) wide. Also, 512-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers , address buses , or data buses of that size.
The 500 and 512 models could be expanded internally up to 512K, an unusually large amount of RAM in 1983 for a computer aimed at home use. The MTX range saw the addition of the RS128 in 1984 which was a similar machine but with more memory. The machines achieved only modest sales, not assisted by the unfortunate timing of being released shortly ...
The Macintosh 512K is a personal computer that was designed, manufactured and sold by Apple Computer from September 1984 to April 1986. It is the first update to the original Macintosh 128K. It was virtually identical to the previous Macintosh, differing primarily in the amount of built-in random-access memory. The increased memory turned the ...
Protected memory was only added to Macintosh computers with the release of the Mac OS X operating system. According to Andy Hertzfeld, the Macintosh used for the introduction demo on January 24, 1984, was a prototype with 512k RAM, even though the first model offered for sale implemented just 128k of non-expandable memory. This prototype was ...
512 KB 1 MB Unknown Unknown Industrial version of the IBM PC AT, tower form-factor 7532 Industrial Computer: 7532-041 May 1985: Unknown ISA, 16-bit 8 3 Intel 80286: 6 512 KB 1 MB Unknown Unknown Industrial version of the IBM PC AT, 19-inch rack-mountable form factor Industrial Computer 7552: 7552-040 October 1986: Unknown ISA, 16-bit
Because Apple's official upgrades were costly, many third-party manufacturers offered add-on SCSI cards, as well as RAM upgrades, to achieve the same functionality. The new ROM allowed the computer to run much newer system and application software; though it loaded more data into RAM, it only slightly decreased the amount of available memory ...
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements. ... • 1 GB RAM • 512 MB free hard ...
Amstrad PPC512, closed Amstrad PPC640. The two computers had very similar specifications. The PPC512 had an NEC V30 [1] [3] processor running at 8 MHz, 512 KiB of memory, a full-size 102-key keyboard with a numeric keypad, a built-in liquid crystal display (not backlit) [6] that could emulate the CGA or MDA [2] and either one or two 720k 3.5" floppy drives (the model was either the PPC512S or ...
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