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The original IBM Personal Computer, with monitor and keyboard. The IBM Personal Computer, commonly known as the IBM PC, spanned multiple models in its first generation (including the PCjr, the Portable PC, the XT, the AT, the Convertible, and the /370 systems, among others), from 1981 to 1987.
IBM claimed the XT/370 reached 0.1 MIPS (when the data fit in RAM). In 1984, the list price of an XT/370 in its typical configuration was approximately $12,000 so compared favorably with IBM's own mainframes on a $/MIPS basis; for example, an IBM 4341 delivered 1.2 MIPS for $500,000. While it theoretically reduced demand on customers ...
Initially, model 1 (4952, Model C), [4] model 3 (IBM 4953) and model 5 (IBM 4955, Model F [4]) processors were provided. Later processors were the model 4 (IBM 4954) and model 6 (IBM 4956). Don Estridge had been the lead manager on the IBM Series/1 minicomputer. He reportedly had fallen out of grace when that project was ill-received.
The original PS/1 (Model 2011), based on a 10 MHz Intel 80286 CPU, was designed to be easy to set up and use. It featured 512 KB or 1 MB of on-board memory (expandable to 2.5 MB with proprietary memory modules), built-in modem (in American models only) and an optional 30 MB hard disk. Later models had an optional 40 MB hard disk.
The median price increase of the drugs being hiked Jan. 1 is 4.5%, which is in line with the median for all price increases last year. Drugmakers to raise US prices on over 250 medicines starting ...
WASHINGTON (Reuters) -A U.S. federal appeals court on Friday upheld a law requiring Chinese-based ByteDance to divest its popular short video app TikTok in the United States by early next year or ...
As with the 1301, there is a Model 2 which doubles the capacity by stacking two modules. The IBM 1302 Model 1 leased for $5,600 per month or could be purchased for $252,000. Prices for the Model 2 were $7,900 per month or $355,500 to purchase. The IBM 7631 controller cost an additional $1,185 per month or $56,000 to purchase.
To put that into perspective, Berkshire's cash pile exceeds the market cap of all but 25 companies that trade on U.S. exchanges today. While this situation offers Berkshire considerable power, it ...