硬盘的选购一定要适合于自己的系统，否则会影响使用效率。因此在选购硬盘时，应注意如下3点。1．容量如果电脑只作一般性使用，那么硬盘的容量不需大大；若是大型主机就需用容量大的硬盘。从发展的观点来看，硬盘的容量会随着系统的需求和软件功能的增加，而变得越来越大。如 Hard disk purchase must be suitable for your own system, otherwise it will affect the use efficiency. Therefore, when buying a hard disk, you should pay attention to the following three points. 1. Capacity If the computer is for general use only, then the capacity of the hard disk does not need to be greatly increased; if the mainframe needs a large capacity hard disk, From a development point of view, the capacity of a hard drive will grow larger as system requirements and software capabilities increase. Such as