or arithmetic operation

You could have one request perform a simple arithmetic activity and another request perform a resource intensive operation, such as reading or writing to a database.

可能有一个请求执行一个简单的算术活动，另一个请求执行一个资源密集型操作，比如数据库读写。

Where a step is a comparison or an arithmetic operation.

第一步肯定是比较，或者进行某种算法的操作。

A portion of the buffer cycle in which the logic or arithmetic unit must cease operation or neither will be able to communicate with the memory unit.

缓冲存储器周期的一部分，在这期间，逻辑与算术运算器必须中止操作或不能与存储器传输信息。