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谈到大型机,我们很自然会想到大型机统治的时代。70年代和80年代初大型机以其性能高、可通用的特点,曾一度风靡全球。这种机器的单机处理速度高达100MIPS 以上。即每秒100百万条指令,具有很强的处理和管理能力。它充分满足了银行、大公司、规模较大的高校和科研院所高计算量的要求,因而备受瞩目。但大型机价格昂贵和维护费用较高的问题,终于使其在小型机和 PC 出现后趋向衰落。前几年由于 PC 的风行,计算机发展史上曾一度
When it comes to mainframes, we naturally think of the era of mainframe control. The mainframes of the 1970s and early 1980s were once popular all over the world for their high performance and versatile features. This machine’s stand-alone processing speed up to 100MIPS above. That is 100 million instructions per second, has a strong processing and management capabilities. It has fully satisfied the high computational requirements of banks, large companies, large universities and research institutes, and has drawn much attention. However, the problem of expensive mainframes and high maintenance costs finally led to a decline after the emergence of minicomputers and PCs. A few years ago due to the popularity of PC, the history of computer development once