program-controlled interruption

简明释义

程序控制中断

英英释义

例句

1.The software architecture supports program-controlled interruption for better performance.

该软件架构支持程序控制中断以提高性能。

2.The system uses program-controlled interruption to manage tasks efficiently.

该系统使用程序控制中断来有效管理任务。

3.The microcontroller employs program-controlled interruption to handle sensor data.

该微控制器采用程序控制中断来处理传感器数据。

4.In real-time computing, program-controlled interruption is crucial for responding to events.

在实时计算中，程序控制中断对于响应事件至关重要。

5.With program-controlled interruption, the CPU can prioritize important tasks.

通过程序控制中断，CPU可以优先处理重要任务。

作文

In the world of computer science, understanding various concepts is crucial for anyone looking to delve deeper into programming and system design. One such concept that plays a significant role in modern computing is program-controlled interruption. This term refers to a mechanism where a program can interrupt its normal execution flow to handle specific events or conditions that require immediate attention. In simpler terms, it allows a program to pause what it is doing to respond to urgent tasks or inputs, thereby improving efficiency and responsiveness.To grasp the importance of program-controlled interruption, we must first consider how traditional programming operates. Typically, a program runs from start to finish in a linear fashion, executing one instruction after another. While this approach works well for straightforward tasks, it can become problematic when a program needs to deal with multiple events simultaneously, such as user inputs, external signals, or hardware requests. Without a mechanism like program-controlled interruption, the program would have to wait until it finished its current task before addressing these events, leading to delays and a poor user experience.The implementation of program-controlled interruption allows programs to be more dynamic. For example, consider a word processing application. When a user types on the keyboard, the program must constantly monitor for keystrokes to update the text on the screen. However, if the user decides to save the document or print it, the program must quickly respond to these actions. Here, program-controlled interruption comes into play. The application can temporarily halt its current task of displaying text and switch to handling the save or print command, ensuring that the user's needs are met promptly.Moreover, program-controlled interruption is not limited to user interactions; it also extends to handling system-level events. For instance, if a computer's CPU receives a signal indicating that a hardware device (like a printer or a disk drive) requires service, the operating system can use program-controlled interruption to pause the running application and address the hardware request immediately. This capability is essential for maintaining the overall performance and stability of the system.Another significant aspect of program-controlled interruption is its role in multitasking environments. Modern operating systems often run multiple applications simultaneously, and each application may need to interact with the system or other applications at various times. By utilizing program-controlled interruption, the operating system can efficiently manage these interactions, allowing different programs to share resources without interfering with one another. This leads to a smoother user experience, as applications can operate concurrently without noticeable lags or freezes.In conclusion, program-controlled interruption is a fundamental concept in computer programming that enhances the efficiency and responsiveness of applications. By allowing programs to pause their current tasks to address urgent events, it enables better resource management and improves user interaction. As technology continues to advance, understanding mechanisms like program-controlled interruption will be increasingly important for developers and engineers alike. Embracing this concept not only helps in creating more robust applications but also paves the way for innovations in software design and functionality.

在计算机科学的世界中，理解各种概念对于任何希望深入编程和系统设计的人来说都是至关重要的。其中一个在现代计算中发挥重要作用的概念是程序控制的中断。这个术语指的是一种机制，程序可以中断其正常执行流程，以处理需要立即关注的特定事件或条件。简单来说，它允许程序暂停正在进行的操作，以响应紧急任务或输入，从而提高效率和响应能力。为了理解程序控制的中断的重要性，我们首先必须考虑传统编程的运作方式。通常，程序从头到尾以线性方式运行，逐条执行指令。虽然这种方法对简单任务有效，但当程序需要同时处理多个事件时，例如用户输入、外部信号或硬件请求时，就会变得问题重重。如果没有像程序控制的中断这样的机制，程序将不得不等到完成当前任务后才能处理这些事件，从而导致延迟和糟糕的用户体验。实施程序控制的中断使程序更加动态。例如，考虑一个文字处理应用程序。当用户在键盘上输入时，程序必须不断监控按键以更新屏幕上的文本。然而，如果用户决定保存文档或打印，程序必须迅速响应这些操作。在这里，程序控制的中断发挥了作用。应用程序可以暂时中止显示文本的当前任务，切换到处理保存或打印命令，从而确保及时满足用户的需求。此外，程序控制的中断不仅限于用户交互；它还扩展到处理系统级事件。例如，如果计算机的CPU收到一个信号，表明某个硬件设备（如打印机或磁盘驱动器）需要服务，操作系统可以使用程序控制的中断来暂停正在运行的应用程序，并立即处理硬件请求。这种能力对于维护系统的整体性能和稳定性至关重要。程序控制的中断的另一个重要方面是它在多任务环境中的作用。现代操作系统通常同时运行多个应用程序，每个应用程序可能需要在不同时间与系统或其他应用程序交互。通过利用程序控制的中断，操作系统可以有效管理这些交互，使不同程序能够共享资源，而不会相互干扰。这导致更流畅的用户体验，因为应用程序可以并行运行，而不会明显的延迟或卡顿。总之，程序控制的中断是计算机编程中的一个基本概念，它增强了应用程序的效率和响应能力。通过允许程序暂停当前任务以处理紧急事件，它实现了更好的资源管理并改善了用户交互。随着技术的不断进步，理解像程序控制的中断这样的机制将对开发人员和工程师越来越重要。接受这个概念不仅有助于创建更强大的应用程序，而且为软件设计和功能的创新铺平了道路。