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DTACK Grounded was a computer hobbyist newsletter published from July 1981 to September 1985 by Hal W. Hardenberg. Subtitled "The Journal of Simple 68000 Systems", the newsletter was dedicated to the proposition that the Motorola 68000 CPU could be used to build simple, fast computers.
The TMS9900 was rejected as it was inferior to the Intel 8088. [21] IBM chose the 8088 over the similar but superior 8086 because Intel offered a better price for the former and could provide more units, [22] and the 8088's 8-bit bus reduced the cost of the rest of the computer.
8088 version, with an 8-bit bus, used in the original IBM Personal Computer. 186 included a DMA controller, interrupt controller, timers, and chip select logic. A small number of additional instructions. The 80188 was a version with an 8-bit bus. 286 first x86 processor with protected mode including segmentation based virtual memory management ...
This is an alphabetical list of countries by past and projected gross domestic product (nominal) as ranked by the IMF. Figures are based on official exchange rates, not on the purchasing power parity (PPP) methodology.
The processor was the Intel 8088–compatible NEC V20, with a clock speed of 7.16 MHz or 4.77 MHZ for compatibility with IBM PC programs. The system came with 768 KB of RAM. A socket was provided for an optional 8087 numeric coprocessor.
History. The Linn 9000 was Roger Linn's first attempt to create an integrated sampling/sequencing/MIDI workstation, but it was plagued with problems from the beginning. On early models, the power supply over-heated the CPU and had to be replaced under warranty, but insurmountable issues with the Linn 9000's operating system forced its eventual demise.
The Sharp PC-4500 is a line of laptop computers released by Sharp Corporation in 1987. The line comprises the PC-4501, the PC-4502, and the PC-4521. The PC-4501 is a bare-bones unit with only 256 KB of RAM stock, only one floppy drive, no backlighting, and no built-in numeric keypad; the PC-4502 and PC-4521 bumps the stock RAM to 640 KB and includes the latter two features while providing ...