bus architecture

简明释义

总线结构;

英英释义

例句

1.The new computer design utilizes a flexible bus architecture to improve data transfer rates.

新的计算机设计采用灵活的总线架构来提高数据传输速率。

2.In embedded systems, a simple bus architecture can reduce complexity and cost.

在嵌入式系统中，简单的总线架构可以降低复杂性和成本。

3.Many modern devices rely on a high-speed bus architecture for efficient communication.

许多现代设备依赖高速的总线架构进行高效通信。

4.To support multiple peripherals, the system was designed with a hierarchical bus architecture.

为了支持多个外设，系统采用了分层的总线架构设计。

5.The choice of bus architecture can significantly affect system performance.

选择总线架构会显著影响系统性能。

作文

In the realm of computer architecture, the term bus architecture refers to a system design that utilizes a common communication pathway, known as a bus, to connect various components of a computer. This design is essential for facilitating data transfer between different parts of the system, such as the CPU, memory, and peripheral devices. The concept of bus architecture can be traced back to the early days of computing, where it was recognized that a shared communication medium could significantly reduce the complexity and cost of connecting multiple components. A bus architecture typically consists of a set of parallel wires or traces that carry data, addresses, and control signals. It allows multiple devices to communicate over a single channel, which can lead to more efficient use of resources. For instance, in a typical computer system, the CPU may send data to memory or receive input from an external device through this shared bus. One of the main advantages of bus architecture is its simplicity. By providing a common pathway for communication, it eliminates the need for complex point-to-point connections between every device. This not only simplifies the physical layout of the system but also reduces the number of required connections, which can enhance reliability. However, there are also some limitations to consider. As more devices are added to the bus, the available bandwidth can become a bottleneck, leading to potential performance issues. This is particularly evident in systems with high data transfer demands, where the speed of communication may be hindered by the shared nature of the bus. To address these limitations, various types of bus architecture have been developed. For example, modern systems often employ techniques such as bus arbitration, which allows multiple devices to share the bus without conflict. This ensures that when one device is using the bus, others must wait their turn, thus preventing data collisions. Additionally, some architectures implement multiple buses to segregate traffic based on the type of data being transmitted, further improving performance. Another significant development in bus architecture is the introduction of high-speed buses like PCI Express (PCIe). These advanced architectures allow for faster data transfer rates and greater efficiency compared to traditional bus systems. PCIe, for instance, supports point-to-point connections, which means that each device can communicate directly with the CPU without having to share the bus with other devices. This dramatically increases the throughput and reduces latency, making it ideal for high-performance applications such as gaming and data-intensive processing tasks. In conclusion, bus architecture plays a crucial role in the design and functionality of computer systems. Its ability to provide a shared communication pathway simplifies connections between components and enhances system reliability. Despite its limitations, ongoing advancements in bus technology continue to improve performance and meet the growing demands of modern computing. Understanding the principles of bus architecture is essential for anyone interested in the field of computer science and engineering, as it lays the foundation for more complex system designs and innovations in the future.

在计算机架构领域，术语总线架构指的是一种系统设计，它利用一个称为总线的公共通信通道来连接计算机的各个组件。这种设计对于促进系统中不同部分之间的数据传输至关重要，例如CPU、内存和外部设备。总线架构的概念可以追溯到计算机早期，当时人们认识到共享通信媒介可以显著降低连接多个组件的复杂性和成本。总线架构通常由一组并行导线或走线组成，这些导线承载数据、地址和控制信号。它允许多个设备通过单一通道进行通信，这可以更有效地利用资源。例如，在典型的计算机系统中，CPU可能通过这个共享总线向内存发送数据或接收来自外部设备的输入。总线架构的主要优点之一是其简单性。通过提供一个共同的通信路径，它消除了每个设备之间复杂的点对点连接的需求。这不仅简化了系统的物理布局，还减少了所需连接的数量，从而增强了可靠性。然而，也有一些限制需要考虑。随着更多设备被添加到总线中，可用带宽可能会成为瓶颈，导致潜在的性能问题。这在数据传输需求高的系统中尤为明显，因为共享总线的特性可能会妨碍通信速度。为了应对这些限制，各种类型的总线架构应运而生。例如，现代系统通常采用总线仲裁等技术，允许多个设备在没有冲突的情况下共享总线。这确保了当一个设备正在使用总线时，其他设备必须等待，从而防止数据碰撞。此外，一些架构实现了多个总线，以根据传输的数据类型隔离流量，进一步提高性能。总线架构的另一个重要发展是引入了高速总线，如PCI Express（PCIe）。这些先进的架构允许比传统总线系统更快的数据传输速率和更高的效率。例如，PCIe支持点对点连接，这意味着每个设备可以直接与CPU通信，而无需与其他设备共享总线。这大大提高了吞吐量并减少了延迟，使其非常适合游戏和数据密集型处理任务等高性能应用。总之，总线架构在计算机系统的设计和功能中发挥着至关重要的作用。它提供的共享通信路径简化了组件之间的连接，并增强了系统的可靠性。尽管存在局限性，但总线技术的不断进步仍在改善性能，以满足现代计算日益增长的需求。理解总线架构的原理对于任何对计算机科学和工程领域感兴趣的人来说都是至关重要的，因为它为未来更复杂的系统设计和创新奠定了基础。