punched card

简明释义

穿孔卡片

英英释义

例句

1.The factory used punched cards to control machinery, where each 打孔卡片 dictated specific operations.

工厂使用打孔卡片来控制机器，每张打孔卡片指示特定的操作。

2.The library used a punched card system to track book loans, where each 打孔卡片 represented a different book.

图书馆使用打孔卡片系统来跟踪图书借阅，每张打孔卡片代表一本不同的书。

3.In computer programming classes, students learned how to read punched cards that contained simple code, with each 打孔卡片 representing a line of code.

在计算机编程课程中，学生们学习如何读取包含简单代码的打孔卡片，每张打孔卡片代表一行代码。

4.During the census, officials collected data using punched cards to facilitate processing, as each 打孔卡片 contained vital statistics.

在普查期间，官员们使用打孔卡片收集数据，以便于处理，因为每张打孔卡片都包含重要统计数据。

5.In the early days of computing, data was stored on a punched card, which is a 打孔卡片 used for inputting information.

在计算机发展的早期，数据存储在一个打孔卡片上，这是一种用于输入信息的打孔卡片。

作文

The history of computing is filled with fascinating developments that have shaped our modern world. One of the most significant innovations in this field was the introduction of the punched card, a method of data storage and processing that revolutionized how information was handled. A punched card (打孔卡) is a piece of stiff paper that contains holes punched in it to represent data. Each hole corresponds to a specific piece of information, allowing machines to read and process the data efficiently.The use of punched cards dates back to the early 19th century when they were first used in mechanical looms. However, it was not until the early 20th century that they became widely adopted in computing. The pioneering work of figures like Herman Hollerith, who developed a system for the 1890 U.S. Census using punched cards, laid the groundwork for modern data processing. His invention led to the establishment of IBM, which became a leader in the production of punched card technology.In the early days of computing, punched cards served as the primary medium for inputting data into computers. Programmers would create stacks of these cards, each representing a line of code or data entry. The cards were then fed into a card reader, which would interpret the holes as binary data. This process allowed for complex calculations and data manipulations that were previously unimaginable.Despite their advantages, punched cards had several limitations. The physical size of the cards made them cumbersome to handle, and the risk of misalignment during reading could lead to errors. Additionally, the capacity of a single punched card was limited, necessitating multiple cards for larger programs or datasets. As technology advanced, alternatives such as magnetic tape and disks emerged, eventually leading to the decline of punched card systems.Nevertheless, the legacy of punched cards is still evident in today's digital world. The concept of encoding information in a physical medium paved the way for modern data storage solutions. Moreover, the principles of programming and data processing that were developed alongside punched card technology continue to influence computer science education and practices.In conclusion, the punched card (打孔卡) played a crucial role in the evolution of computing. It not only facilitated the processing of data but also inspired future innovations that have transformed our interaction with technology. Understanding the importance of punched cards helps us appreciate the advancements we enjoy today and the foundational work that made them possible. As we continue to innovate and develop new technologies, the lessons learned from the era of punched cards remain relevant, reminding us of the importance of efficiency, accuracy, and adaptability in the ever-evolving landscape of computing.

计算机历史充满了迷人的发展，塑造了我们现代的世界。在这个领域中，最重要的创新之一是引入了打孔卡，这是一种数据存储和处理的方法，彻底改变了信息的处理方式。打孔卡（punched card）是一种坚硬的纸片，上面打有孔以表示数据。每个孔对应着一条特定的信息，使得机器能够高效地读取和处理数据。打孔卡的使用可以追溯到19世纪初，当时它们首次用于机械织机。然而，直到20世纪初，它们才被广泛应用于计算机。像赫尔曼·霍勒里斯这样的先驱者的开创性工作，为1890年美国人口普查开发的打孔卡系统奠定了现代数据处理的基础。他的发明导致了IBM的成立，该公司成为打孔卡技术生产的领导者。在计算机发展的早期阶段，打孔卡作为输入数据的主要媒介。程序员会创建这些卡片的堆叠，每张卡片代表一行代码或数据条目。这些卡片随后被送入读卡器，读卡器将孔解读为二进制数据。这个过程使得复杂的计算和数据操作成为可能，这是以前无法想象的。尽管有其优点，打孔卡也存在若干局限性。卡片的物理尺寸使得它们在处理时显得笨重，并且在读取过程中对齐不当可能导致错误。此外，单张打孔卡的容量有限，处理更大程序或数据集时需要多张卡片。随着技术的进步，磁带和磁盘等替代品出现，最终导致了打孔卡系统的衰退。然而，打孔卡的遗产在今天的数字世界中依然显而易见。在物理介质中编码信息的概念为现代数据存储解决方案铺平了道路。此外，与打孔卡技术一起发展的编程和数据处理原则，继续影响着计算机科学的教育和实践。总之，打孔卡（punched card）在计算机演变中发挥了至关重要的作用。它不仅促进了数据处理，还激励了未来的创新，改变了我们与技术的互动方式。理解打孔卡的重要性帮助我们欣赏今天所享受的进步以及使其成为可能的基础工作。当我们继续创新和开发新技术时，从打孔卡时代学到的教训仍然相关，提醒我们在不断发展的计算机环境中效率、准确性和适应性的重要性。