machine word

简明释义

计算机字

英英释义

例句

1.When programming in assembly language, you must understand how to manipulate a machine word effectively.

在汇编语言编程时，您必须了解如何有效地操作机器字。

2.The size of a machine word can vary between different computer architectures, affecting performance.

不同计算机架构之间的机器字大小可能有所不同，从而影响性能。

3.A 32-bit system typically has a machine word size of 4 bytes.

32位系统的机器字大小通常为4字节。

4.In computer architecture, a machine word refers to the standard size of data that a processor can handle at once.

在计算机架构中，机器字指的是处理器一次可以处理的标准数据大小。

5.Understanding the machine word is crucial for optimizing memory usage in software development.

理解机器字对于优化软件开发中的内存使用至关重要。

作文

In the world of computing, the term machine word refers to the standard unit of data used by a particular processor design. It is the size of data that a CPU can handle in one operation, and it is crucial for understanding how computers process information. The machine word size can vary between different architectures, with common sizes being 16, 32, or 64 bits. This variation affects not only the performance of the computer but also the complexity of programming and the efficiency of memory usage.Understanding machine word is essential for software developers and engineers. When writing programs, they must consider the limitations and capabilities of the machine word size. For instance, if a developer is working on a 32-bit system, they need to ensure that their data types do not exceed the limits imposed by the machine word. This includes the maximum value that can be stored in an integer variable, which directly relates to the number of bits in the machine word.Moreover, the choice of machine word size can influence performance optimization. For example, using a 64-bit machine word allows for larger data processing and enhanced performance in applications that require handling large datasets, such as scientific computations or data analysis. On the other hand, 32-bit systems may be more efficient for simpler tasks, where the overhead of managing larger data types is unnecessary.The concept of machine word also plays a significant role in memory addressing. In a system with a 64-bit machine word, the memory addressing capabilities are vastly superior compared to a 32-bit system. This means that a 64-bit processor can access a significantly larger amount of RAM, which is vital for running modern applications that demand high memory capacity.Additionally, the machine word impacts how data is aligned in memory. Data alignment refers to how data is arranged and accessed in memory, and improper alignment can lead to performance penalties. Understanding the machine word helps programmers align data structures correctly, ensuring optimal performance and avoiding unnecessary computational overhead.In conclusion, the term machine word encapsulates a fundamental aspect of computer architecture and programming. It defines the data handling capabilities of a processor, influences performance optimization, and dictates memory addressing techniques. For anyone involved in technology, especially in software development or engineering, a solid grasp of what a machine word is and its implications is indispensable. As technology continues to evolve, so too will the understanding and application of machine word concepts, making them ever more relevant in the digital age.

在计算机的世界中，术语机器字指的是特定处理器设计所使用的数据标准单位。它是CPU可以在一次操作中处理的数据大小，对于理解计算机如何处理信息至关重要。机器字的大小在不同的架构之间可能有所不同，常见的大小为16、32或64位。这种变化不仅影响计算机的性能，还影响编程的复杂性和内存使用的效率。理解机器字对软件开发人员和工程师至关重要。在编写程序时，他们必须考虑到机器字大小带来的限制和能力。例如，如果开发人员在一个32位系统上工作，他们需要确保他们的数据类型不会超过机器字所施加的限制。这包括可以存储在整数变量中的最大值，这直接与机器字中的位数相关。此外，机器字大小的选择可以影响性能优化。例如，使用64位机器字允许更大数据处理，并在需要处理大数据集的应用程序中提高性能，例如科学计算或数据分析。另一方面，32位系统在处理简单任务时可能更高效，因为管理更大数据类型的开销是没有必要的。机器字的概念在内存寻址中也起着重要作用。在具有64位机器字的系统中，内存寻址能力远远优于32位系统。这意味着64位处理器可以访问显著更大的RAM量，这对于运行现代应用程序至关重要，这些应用程序需要高内存容量。此外，机器字影响数据在内存中的对齐方式。数据对齐是指数据在内存中排列和访问的方式，不当的对齐可能导致性能损失。理解机器字有助于程序员正确对齐数据结构，从而确保最佳性能，避免不必要的计算开销。总之，术语机器字概括了计算机架构和编程的一个基本方面。它定义了处理器的数据处理能力，影响性能优化，并决定内存寻址技术。对于任何参与技术工作的人，特别是在软件开发或工程领域，对机器字及其影响有一个坚实的理解是必不可少的。随着技术的不断发展，机器字概念的理解和应用也将不断演变，使其在数字时代变得愈发相关。