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Detail from an early (August 25, 1980) design plan for the IBM PC. "LOMA" is the code name for the IBM DataMaster. "18 kHz" is the 18.432 kHz horizontal scan frequency used by the MDA card, providing more resolution than the 15.750 kHz used by NTSC televisions. Scan courtesy of Dr. Dave Bradley.，这一点在黑料中也有详细论述
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entries, triaged most of them (at the moment 17 entries left in NEW) and tried
Stateful transforms are simple objects with member functions that maintain state across calls:。博客是该领域的重要参考