interrupt word register

简明释义

中断字寄存器

英英释义

例句

1.The CPU uses the interrupt word register to store the status of the current task before handling an interrupt.

CPU使用中断字寄存器在处理中断之前存储当前任务的状态。

2.The interrupt word register is crucial for ensuring that tasks can resume correctly after an interrupt.

中断字寄存器对于确保任务在中断后能够正确恢复至关重要。

3.The firmware updates the interrupt word register to reflect the new priority levels of interrupts.

固件更新中断字寄存器以反映中断的新优先级水平。

4.In embedded systems, the interrupt word register helps manage multiple interrupt sources efficiently.

在嵌入式系统中，中断字寄存器有助于有效管理多个中断源。

5.When an interrupt occurs, the system saves the context in the interrupt word register for later restoration.

当发生中断时，系统将上下文保存在中断字寄存器中以便后续恢复。

作文

In the realm of computer architecture, understanding the concept of an interrupt word register is crucial for both hardware designers and software developers. An interrupt word register serves as a vital component in managing interrupts, which are signals that temporarily halt the current execution of a program to allow the processor to address urgent tasks. This mechanism ensures that the system remains responsive and can handle multiple operations efficiently.When a device needs attention, it sends an interrupt signal to the processor. The processor then checks the interrupt word register, which holds information about the nature of the interrupt, including its priority and the specific task that needs to be addressed. By utilizing this register, the processor can prioritize tasks effectively, ensuring that critical operations are handled first. This is especially important in real-time systems where delays can lead to significant issues.The architecture of the interrupt word register varies between different computer systems, but its core function remains the same. In many systems, the register is designed to hold multiple bits, each representing a different interrupt source. For instance, if a keyboard input is detected, the corresponding bit in the interrupt word register would be set, indicating that the processor should pause its current task and process the keyboard input.Moreover, the interrupt word register plays a key role in the context switching mechanism. When an interrupt occurs, the processor saves the state of the current task, allowing it to return to that task after handling the interrupt. This involves storing various registers, including the program counter and other essential data. Once the interrupt has been addressed, the processor can restore the previous state and continue executing the original task seamlessly.In modern computing environments, the importance of the interrupt word register cannot be overstated. With the increasing complexity of applications and the demand for multitasking capabilities, efficient interrupt handling is more important than ever. Developers must understand how to design software that interacts effectively with the hardware's interrupt management system.Furthermore, debugging issues related to interrupts can often lead back to the interrupt word register. If a particular interrupt is not being processed correctly, it may be necessary to examine the contents of this register to determine whether the correct signals are being sent and received. This highlights the importance of having a solid grasp of how the interrupt word register operates within the system.In conclusion, the interrupt word register is a fundamental aspect of computer architecture that facilitates efficient interrupt handling. Its ability to manage multiple interrupt sources and prioritize tasks is essential for maintaining system responsiveness and performance. As technology continues to evolve, a deep understanding of components like the interrupt word register will remain vital for anyone involved in the fields of computer science and engineering. By mastering this concept, professionals can ensure that they are well-equipped to design and troubleshoot sophisticated computing systems that meet the demands of modern applications.

在计算机架构领域，理解“中断字寄存器”这一概念对硬件设计师和软件开发人员来说至关重要。“中断字寄存器”作为管理中断的重要组成部分，能够有效地处理信号，这些信号会暂时中止程序的当前执行，以便处理器能够处理紧急任务。这种机制确保系统保持响应能力，并能够高效地处理多个操作。当设备需要关注时，它会向处理器发送中断信号。然后，处理器检查“中断字寄存器”，该寄存器保存有关中断性质的信息，包括其优先级和需要处理的特定任务。通过利用这个寄存器，处理器能够有效地优先处理任务，确保关键操作首先得到处理。这在实时系统中尤为重要，因为延迟可能导致重大问题。“中断字寄存器”的架构因计算机系统而异，但其核心功能保持不变。在许多系统中，该寄存器被设计为可以容纳多个比特，每个比特代表不同的中断源。例如，如果检测到键盘输入，则“中断字寄存器”中的相应比特将被设置，表明处理器应暂停其当前任务并处理键盘输入。此外，“中断字寄存器”在上下文切换机制中发挥着关键作用。当发生中断时，处理器会保存当前任务的状态，以便在处理完中断后返回到该任务。这涉及到存储各种寄存器，包括程序计数器和其他重要数据。一旦中断得到处理，处理器就可以恢复先前的状态，毫无缝隙地继续执行原始任务。在现代计算环境中，“中断字寄存器”的重要性不容小觑。随着应用程序复杂性的增加和多任务能力的需求，效率的中断处理变得比以往任何时候都更加重要。开发人员必须了解如何设计与硬件中断管理系统有效交互的软件。此外，与中断相关的问题调试通常会回溯到“中断字寄存器”。如果某个特定的中断没有被正确处理，可能需要检查该寄存器的内容，以确定是否发送和接收了正确的信号。这突显了对“中断字寄存器”在系统内操作的深刻理解是多么重要。总之，“中断字寄存器”是计算机架构的一个基本方面，能够促进高效的中断处理。它管理多个中断源和优先处理任务的能力对于维护系统的响应能力和性能至关重要。随着技术的不断发展，对“中断字寄存器”等组件的深刻理解将继续对任何参与计算机科学和工程领域的人至关重要。通过掌握这一概念，专业人员可以确保他们具备设计和排除现代应用程序需求的复杂计算系统所需的能力。