IBM System/360 Model 20
The IBM System/360 Model 20 was the smallest member of the IBM System/360 family announced in November 1964. The Model 20 supported only a subset of the System/360 instruction set, with binary numbers limited to 16 bits and no floating point. In later years it would have been classified as a 16-bit minicomputer rather than a mainframe, but the term "minicomputer" was not current, and in any case IBM wanted to emphasize the compatibility of the Model 20 rather than its differences.
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IBM System/360 Model 20
The IBM System/360 Model 20 was the smallest member of the IBM System/360 family announced in November 1964. The Model 20 supported only a subset of the System/360 instruction set, with binary numbers limited to 16 bits and no floating point. In later years it would have been classified as a 16-bit minicomputer rather than a mainframe, but the term "minicomputer" was not current, and in any case IBM wanted to emphasize the compatibility of the Model 20 rather than its differences.
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System/360モデル20（英語: IBM System ...... 能が制限されていて、廉価モデルで、日本でも広く使われていた。
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The IBM System/360 Model 20 wa ...... r, brought in greater revenue.
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System/360モデル20（英語: IBM System ...... 能が制限されていて、廉価モデルで、日本でも広く使われていた。
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The IBM System/360 Model 20 wa ...... 0 rather than its differences.
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IBM System/360 Model 20
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System/360モデル20
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