random access

简明释义

随机存取 ［计算机中的资料］

英英释义

例句

1.CDs and DVDs allow for random access to tracks, unlike cassette tapes.

光盘和DVD允许对曲目进行随机访问，这与磁带不同。

2.The ability to perform random access on a database makes it more efficient for large queries.

在数据库上执行随机访问的能力使其在处理大型查询时更加高效。

3.In programming, using random access arrays can significantly speed up data processing.

在编程中，使用随机访问数组可以显著加快数据处理速度。

4.The random access feature of flash drives enables users to find files quickly.

闪存驱动器的随机访问功能使用户能够快速找到文件。

5.Modern computers use random access memory to quickly retrieve data.

现代计算机使用随机访问内存来快速检索数据。

作文

In the digital age, the concept of random access has become a fundamental aspect of how we interact with technology and information. To understand this term better, we need to delve into its implications in computing and data management. Random access, or 随机访问, refers to the ability to access data at any location in a storage medium without having to sequentially go through other data. This capability is essential for efficient data retrieval and manipulation, particularly in environments where speed and performance are critical.One of the most common examples of random access can be found in computer memory systems, such as RAM (Random Access Memory). Unlike traditional storage media like tapes, which require data to be read in a specific order, RAM allows the CPU to access any byte of data directly. This direct access significantly speeds up processing times, enabling computers to perform complex calculations and execute multiple tasks simultaneously. The efficiency gained from random access is one of the reasons why modern computing devices can run advanced applications and handle large datasets.Furthermore, random access plays a crucial role in programming and software development. Developers often utilize data structures that support random access, such as arrays and hash tables, to optimize the performance of their applications. For instance, when a program needs to retrieve a specific piece of information, using an array allows the program to jump directly to the required index instead of searching through each element sequentially. This not only saves time but also enhances the overall user experience by providing quick responses.The importance of random access extends beyond just computing; it is also relevant in various fields such as databases and file systems. In database management systems, random access enables efficient querying of large datasets. When a user requests specific information, the database can quickly locate the relevant data without scanning through every record. This capability is vital for applications that require real-time data processing, such as financial transactions and online shopping platforms.Moreover, the advent of solid-state drives (SSDs) has further highlighted the advantages of random access. Unlike traditional hard disk drives (HDDs), which rely on mechanical parts to read and write data, SSDs use flash memory that allows for instantaneous random access. This results in faster boot times, quicker file transfers, and an overall smoother computing experience. As technology continues to evolve, the significance of random access will likely increase, driving innovations in data storage and retrieval methods.In conclusion, the concept of random access is integral to modern computing and data management. Its ability to facilitate quick and efficient data retrieval has transformed the way we interact with technology. As we continue to rely on digital devices for various tasks, understanding and leveraging the benefits of random access will be crucial for both users and developers alike. The future of technology will undoubtedly be shaped by advancements in random access capabilities, making it a key area of focus for ongoing research and development.

在数字时代，随机访问的概念已成为我们与技术和信息互动的基本方面。要更好地理解这个术语，我们需要深入探讨它在计算和数据管理中的影响。随机访问指的是能够在存储介质中的任何位置访问数据，而无需按顺序浏览其他数据。这种能力对于有效的数据检索和处理至关重要，特别是在速度和性能至关重要的环境中。随机访问最常见的例子之一可以在计算机内存系统中找到，例如随机存取存储器（RAM）。与传统的存储介质（如磁带）不同，后者要求以特定顺序读取数据，RAM允许CPU直接访问任何字节的数据。这种直接访问显著加快了处理时间，使计算机能够同时执行复杂的计算和多个任务。随机访问所获得的效率是现代计算设备能够运行高级应用程序和处理大数据集的原因之一。此外，随机访问在编程和软件开发中也发挥着至关重要的作用。开发人员经常利用支持随机访问的数据结构，如数组和哈希表，以优化其应用程序的性能。例如，当程序需要检索特定信息时，使用数组可以让程序直接跳转到所需的索引，而无需顺序搜索每个元素。这不仅节省了时间，还通过提供快速响应增强了整体用户体验。随机访问的重要性不仅限于计算；它在数据库和文件系统等各个领域也具有相关性。在数据库管理系统中，随机访问使得对大型数据集的高效查询成为可能。当用户请求特定信息时，数据库可以快速定位相关数据，而无需扫描每一条记录。这种能力对于需要实时数据处理的应用程序至关重要，例如金融交易和在线购物平台。此外，固态硬盘（SSD）的出现进一步突显了随机访问的优势。与依赖机械部件来读取和写入数据的传统硬盘驱动器（HDD）不同，SSD使用闪存，允许瞬时的随机访问。这导致更快的启动时间、更快的文件传输以及整体更顺畅的计算体验。随着技术的不断发展，随机访问的重要性可能会增加，推动数据存储和检索方法的创新。总之，随机访问的概念是现代计算和数据管理不可或缺的一部分。其促进快速高效数据检索的能力改变了我们与技术的互动方式。随着我们继续依赖数字设备进行各种任务，理解和利用随机访问的好处对用户和开发人员来说都至关重要。未来的技术无疑将受到随机访问能力进步的影响，使其成为持续研究和发展的关键关注领域。