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根据所需的容量,外部存贮设备有许多种类。这里谈谈存贮容量在1000兆字节以下、价格低廉的设备的动向。一种是容量在10兆字节以下,主要用于小型、低价格的计算机系统中,有8″、5″、3″软盘机和被叫做温彻斯特5″固定盘可动头型磁盘机。这些外存设备被用作个人计算机、字处理机等办公室自动化系统中的中心商品。现在各公司出品的5″温彻斯特磁盘机容量约为10兆字节,容量在20兆字节以上的商品目前正在开发之中。小型化的趋势是,出现了比当前市场
There are many types of external storage devices depending on the required capacity. Here to talk about the storage capacity of 1000 megabytes below the trend of low-cost equipment. One is a capacity of 10 megabytes or less, mainly for small, low-cost computer systems, 8 “, 5”, 3 “floppy disk drive and called Winchester 5” fixed disk removable head type disk machine. These memory devices are used as central products in office automation systems such as personal computers, word processors and the like. Currently, 5 "Winchester disk drives produced by each company have a capacity of about 10 megabytes and products with capacities above 20 megabytes are currently in development. The trend toward miniaturization is that there has been a trend toward smaller than current market