asynchronous terminal

简明释义

异步终端

英英释义

例句

1.The data was sent to the asynchronous terminal 异步终端 for processing without waiting for a response.

数据被发送到异步终端进行处理，而无需等待响应。

2.Using an asynchronous terminal 异步终端 improves the efficiency of data transmission in our network.

使用异步终端提高了我们网络中数据传输的效率。

3.The asynchronous terminal 异步终端 allows for error handling without blocking the main process.

该异步终端允许在不阻塞主进程的情况下进行错误处理。

4.The software can communicate with an asynchronous terminal 异步终端 to receive updates in real time.

该软件可以与异步终端通信，以实时接收更新。

5.In our system, the asynchronous terminal 异步终端 allows multiple users to send data simultaneously.

在我们的系统中，异步终端允许多个用户同时发送数据。

作文

In the realm of computer communications, the term asynchronous terminal refers to a type of terminal that operates without the need for a synchronized clock signal between the sender and receiver. This means that data can be transmitted at any time, making it a flexible option for various applications. Unlike synchronous communication, where both parties must be in sync with a shared clock, asynchronous terminals send data in packets, each marked with start and stop bits. This allows the receiving terminal to recognize the beginning and end of each byte of data, facilitating error detection and ensuring that messages are received accurately.The advantages of using asynchronous terminals are numerous. Firstly, they simplify the design of communication systems since there is no need for complex clock synchronization mechanisms. This simplicity translates into lower costs and easier implementation. Additionally, asynchronous terminals are particularly useful in environments where devices may not always be connected or active. For instance, in a network where devices intermittently connect to transmit data, an asynchronous terminal can efficiently handle these sporadic transmissions without requiring constant synchronization.Moreover, asynchronous terminals are widely used in serial communication protocols, such as RS-232. This protocol is commonly found in computer peripherals like printers and modems, where data is sent one character at a time. The flexibility of asynchronous terminals makes them ideal for applications that require variable data rates and intermittent data transmission, such as in embedded systems or remote sensor networks.However, there are some limitations to consider when utilizing asynchronous terminals. One significant drawback is the overhead introduced by the start and stop bits. Each byte of data transmitted includes additional bits for signaling purposes, which can lead to inefficiencies, especially in high-speed communication scenarios. Furthermore, the lack of synchronization can result in timing issues, particularly in high-load situations where multiple terminals are communicating simultaneously.Despite these challenges, the versatility and ease of use of asynchronous terminals have made them a staple in modern computing. They provide a straightforward solution for many applications, from simple data logging devices to complex industrial automation systems. As technology continues to evolve, the role of asynchronous terminals in facilitating communication between devices remains crucial.In conclusion, understanding the concept of asynchronous terminals is essential for anyone involved in computer science or information technology. Their unique characteristics enable efficient data transmission in various applications, making them a vital component of contemporary communication systems. As we move towards an increasingly interconnected world, the significance of asynchronous terminals will only grow, paving the way for more innovative solutions in data communication.

在计算机通信领域，术语异步终端指的是一种终端，它在发送方和接收方之间不需要同步时钟信号即可操作。这意味着数据可以在任何时间传输，使其成为各种应用的灵活选择。与同步通信不同，在同步通信中，双方必须与共享时钟保持同步，而异步终端以数据包的形式发送数据，每个数据包都带有起始位和停止位。这使得接收终端能够识别每个字节数据的开始和结束，从而促进错误检测并确保消息的准确接收。使用异步终端的优点是众多的。首先，它们简化了通信系统的设计，因为不需要复杂的时钟同步机制。这种简单性转化为更低的成本和更容易的实施。此外，异步终端在设备可能并不总是连接或处于活动状态的环境中尤为有用。例如，在一个设备间歇性连接以传输数据的网络中，异步终端可以高效地处理这些偶发的传输，而无需持续的同步。此外，异步终端广泛用于串行通信协议，如RS-232。该协议通常在计算机外设如打印机和调制解调器中发现，数据一个字符一个字符地发送。异步终端的灵活性使其非常适合需要可变数据速率和间歇性数据传输的应用，例如嵌入式系统或远程传感器网络。然而，在使用异步终端时需要考虑一些限制。一项显著的缺点是由起始位和停止位引入的开销。每个传输的字节数据都包含额外的信号位，这可能导致效率低下，尤其是在高速通信场景中。此外，缺乏同步可能导致时序问题，特别是在多个终端同时通信的高负载情况下。尽管存在这些挑战，异步终端的多功能性和易用性使其成为现代计算中的一个重要组成部分。它们为许多应用提供了简单的解决方案，从简单的数据记录设备到复杂的工业自动化系统。随着技术的不断发展，异步终端在促进设备之间通信方面的作用仍然至关重要。总之，理解异步终端的概念对于任何参与计算机科学或信息技术的人来说都是至关重要的。它们独特的特性使得在各种应用中实现高效的数据传输成为可能，使其成为当代通信系统的重要组成部分。随着我们走向一个日益互联的世界，异步终端的重要性将只会增加，为数据通信中的更多创新解决方案铺平道路。