对数据项的一次完整操作。它包括生成、输入、处理、输出以及存储。
The complete operation performed on data.It includes steps of origination, input, manipulation, output and storage.
为存储和检索数据项或数据,把搜索关键字转换为一个地址的一种方法。该方法常用于减少搜索时间。
A method of transforming a search key into an address for the purpose of storing and retrieving items or data. The method is often designed to minimize the search time.
对两个数据项进行比较并指出其比较结果的一种装置。
A device that compares two items of data and indicates the result of that comparison.
在数据处理中,两个数据项匹配成功。
In data processing, a successful comparison of two items of data.