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IBM公司今年8月发表了新的个人计算机系统——IBM PC AT,对个人计算机市场产生了强大冲击。PC AT采用Intel公司的高速度、高性能16位微处理器80286作CPU。PC AT分为普通型和增强型二种。普通型售价约4,000美元,具有256 BB RAM和一台1.2 MB高密度软盘。增强型售价约5,800美元,有512KB随机存贮器、一台1.2MB软盘、一台20MB硬盘和串行/并行适配器。PC AT的处理速度比PC要快三倍,存贮容量大4～8倍。IBM公司最近发
In August IBM released a new personal computer system, IBM PC AT, which had a powerful impact on the personal computer market. PC AT uses Intel Corporation’s high-speed, high-performance 16-bit microprocessor 80286 for CPU. PC AT is divided into ordinary and enhanced two. The regular model costs about $ 4,000 and has 256 BB RAM and a 1.2 MB high density floppy disk. The enhanced version costs about $ 5,800 with 512KB of RAM, a 1.2MB floppy, a 20MB hard drive and a serial / parallel adapter. PC AT processing speed three times faster than the PC, storage capacity of 4 to 8 times. IBM recently issued