更新时间：2024-07-24 10:08
例子1
In a multiprogramming or multiprocessing environment, one or more sequencesof instructions treated by a control program as an element of work to be accomplished by a computer.
例子2
. In word processing, a basic unit of work to be accomplished by the operator. | 在字(词)处理技术中，由操作员完成的一种基本工作单位。
例子3
. In IBM Series/1, the dispatchable entity used by the supervisor to establish and track concurrent program execution within the system. Each task represents a single thread of execution through a program or set of programs. The first program executed under each task is a primary program. All others are secondary programs. | 在IBM Series/1中，为了在系统中建立和跟踪并发程序的执行，由管理程序使用的可调度实体。每个任务表示通过一个程序或一组程序执行的单一线索。在每个任务下执行的第一个程 序是主程序，其它皆是辅程序。
例子4
. In DPCX, a unit of work for the process or that is used for the execution of a program or a system function. A task is represented by a series of 256?byte blocks called the symbolic machine. | 在分布式处理控制执行程序(DPCX)中，用于执行一个程序或一个系统功能的一种处理机工作 单位。任务由256字节块的系列(称为符号机)表示。
例子5
. In IBM VSE, the basic unit of synchronous program execution. A task consists of instructions operating synchronously upon program data. Although a task is executed synchronously with respect to its own instructions, its instructions are executed asynchronously with respect to all other tasks in the system. | 在IBM的操作系统VSE中，同步程序执行的基本单位。任务是由对程序数据进行同步操作的指 令所组成。虽然任务相对于它自己的指令是同步执行的，但它的指令相对于系统中所有其它 任务是异步执行的。参阅data services task, hard?copy task, operator station task, logger task。
job ;mission ;task
不可能完成的任务 mission impossible