alpha numeric

简明释义

字母数字的;

英英释义

例句

1.For security reasons, your username should be alpha numeric 字母数字 only.

出于安全原因，您的用户名应仅为字母数字。

2.The software requires an alpha numeric 字母数字 key for installation.

该软件需要一个字母数字密钥才能安装。

3.In the registration form, please provide an alpha numeric 字母数字 ID.

在注册表单中，请提供一个字母数字 ID。

4.The product code must be alpha numeric 字母数字 and consist of at least 10 characters.

产品代码必须是字母数字的，并且至少包含10个字符。

5.Please enter your alpha numeric 字母数字 password to access your account.

请输入您的字母数字密码以访问您的帐户。

作文

In today's digital world, the term alpha numeric refers to a combination of letters and numbers that are often used in various coding systems, passwords, and data entries. Understanding this concept is crucial for anyone who interacts with technology, as it forms the basis of many security protocols and data management systems. The alpha numeric system allows for a broader range of characters than just letters or numbers alone, making it more versatile and secure. For example, when creating a password, using an alpha numeric format can significantly enhance its strength. A password like 'abc123' is much weaker than 'a1B2c3!', as the latter includes both uppercase letters, lowercase letters, numbers, and special characters, which makes it harder for unauthorized users to guess or crack. Moreover, the use of alpha numeric characters is not limited to passwords. It is also prevalent in product codes, serial numbers, and even in the realm of programming. Many programming languages utilize alpha numeric variables to store data efficiently. For instance, a variable name such as 'userID123' is composed of both letters and numbers, allowing developers to create meaningful identifiers that are easy to understand and manage. In the context of databases, alpha numeric strings are often used as keys to access or link records. This is particularly useful in relational databases where unique identifiers are essential for maintaining data integrity. By employing alpha numeric keys, programmers can ensure that each record is distinct and easily retrievable, which ultimately enhances the efficiency of data operations. Furthermore, the alpha numeric system plays a vital role in online transactions. When users enter their credit card information, they often encounter alpha numeric fields that require them to input various types of data. This mix of letters and numbers helps to verify the identity of the user and secures sensitive information against fraud. In summary, the concept of alpha numeric is integral to modern technology and security practices. Its application spans across various fields, from creating robust passwords to managing databases and facilitating online transactions. As we continue to advance in the digital age, understanding and utilizing alpha numeric combinations will remain essential for ensuring safety and efficiency in our interactions with technology. Learning about alpha numeric systems not only enhances our technical skills but also empowers us to navigate the complexities of the digital landscape with confidence.

在当今的数字世界中，术语alpha numeric指的是字母和数字的组合，这种组合通常用于各种编码系统、密码和数据输入。理解这个概念对于任何与技术互动的人来说都是至关重要的，因为它构成了许多安全协议和数据管理系统的基础。alpha numeric系统允许比仅使用字母或数字更广泛的字符范围，使其更加灵活和安全。例如，在创建密码时，使用alpha numeric格式可以显著增强其强度。像'abc123'这样的密码远不如'a1B2c3!'强，因为后者包含大写字母、小写字母、数字和特殊字符，这使得未授权用户更难猜测或破解。此外，alpha numeric字符的使用并不仅限于密码。它在产品代码、序列号甚至编程领域也很常见。许多编程语言利用alpha numeric变量有效地存储数据。例如，变量名'userID123'由字母和数字组成，使开发人员能够创建易于理解和管理的有意义标识符。在数据库的上下文中，alpha numeric字符串通常用作访问或链接记录的键。这在关系数据库中特别有用，因为唯一标识符对于维护数据完整性至关重要。通过使用alpha numeric键，程序员可以确保每条记录都是独特的且易于检索，从而提高数据操作的效率。此外，alpha numeric系统在在线交易中发挥着重要作用。当用户输入他们的信用卡信息时，他们通常会遇到要求输入各种类型数据的alpha numeric字段。这种字母和数字的混合有助于验证用户的身份，并保护敏感信息免受欺诈。总之，alpha numeric的概念是现代技术和安全实践的核心。它的应用跨越多个领域，从创建强大的密码到管理数据库和促进在线交易。随着我们在数字时代的不断进步，理解和利用alpha numeric组合将继续对确保我们与技术互动的安全性和效率至关重要。学习alpha numeric系统不仅增强了我们的技术技能，还使我们能够自信地驾驭数字环境的复杂性。