machine code

简明释义

1. 机器代码; 2. 指令表; 3. 指令码; 4. 计算机代码;

英英释义

例句

1.Each type of CPU has its own unique machine code（机器代码） instructions.

每种类型的CPU都有其独特的机器代码（机器代码）指令。

2.Programmers rarely write machine code（机器代码） directly; they prefer higher-level languages.

程序员很少直接编写机器代码（机器代码）；他们更喜欢使用高级语言。

3.Debugging machine code（机器代码） can be challenging because it is not human-readable.

调试机器代码（机器代码）可能很困难，因为它不易于人类阅读。

4.Operating systems are often written in machine code（机器代码） for performance reasons.

操作系统通常是用机器代码（机器代码）编写的，以提高性能。

5.The compiler translates high-level code into machine code（机器代码） that the CPU can execute.

编译器将高级代码翻译成机器代码（机器代码），以便CPU可以执行。

作文

In the world of computer science, understanding the fundamental building blocks of programming is essential. One such building block is machine code, which serves as the lowest level of code that a computer can understand and execute directly. Unlike high-level programming languages, which are designed to be human-readable and easier to write, machine code consists of binary instructions that correspond to specific operations within the computer's hardware. Each instruction in machine code tells the processor to perform a particular task, such as moving data from one location to another or performing arithmetic calculations.The significance of machine code lies in its role as an intermediary between high-level programming languages and the physical hardware of a computer. When a programmer writes code in a language like Python or Java, that code must be translated into machine code before it can be executed by the computer. This translation process is carried out by a compiler or an interpreter, which converts the high-level instructions into the binary format that the machine can understand.One of the key characteristics of machine code is its dependence on the architecture of the computer's processor. Different processors have different sets of instructions, known as instruction sets. As a result, machine code written for one type of processor may not work on another. This means that software developers must take into account the target architecture when writing programs, often leading to the need for multiple versions of the same application to support various hardware configurations.Despite its complexity and difficulty for humans to read, machine code is crucial for the efficient operation of computers. It allows for rapid execution of instructions, as the processor can directly interpret and perform the commands without any additional translation. This efficiency is particularly important in performance-critical applications, such as video games or real-time simulations, where speed and responsiveness are paramount.Moreover, understanding machine code can provide valuable insights into how computers operate at a fundamental level. For those interested in fields such as systems programming, embedded systems, or cybersecurity, a solid grasp of machine code can enhance their ability to write optimized code, debug complex issues, and develop secure software. Learning about machine code also fosters a deeper appreciation for the intricacies of computing, encouraging programmers to think critically about how their code interacts with hardware.In conclusion, machine code is an integral part of computer programming that underpins the interaction between high-level languages and computer hardware. While it may seem daunting at first, gaining an understanding of machine code can empower programmers to create more efficient and effective software. As technology continues to advance, the relevance of machine code remains steadfast, making it a vital area of study for anyone pursuing a career in computer science.

在计算机科学的世界中，理解编程的基本构建块是至关重要的。其中一个构建块是机器代码，它作为计算机可以直接理解和执行的最低级别的代码。与旨在易于人类阅读和编写的高级编程语言不同，机器代码由二进制指令组成，这些指令对应于计算机硬件内的特定操作。机器代码中的每个指令都告诉处理器执行特定任务，例如将数据从一个位置移动到另一个位置或执行算术计算。机器代码的重要性在于它作为高级编程语言与计算机物理硬件之间的中介作用。当程序员用像Python或Java这样的语言编写代码时，这段代码必须在执行之前转换为机器代码。这个翻译过程是由编译器或解释器完成的，它将高级指令转换为计算机可以理解的二进制格式。机器代码的一个关键特征是它依赖于计算机处理器的架构。不同的处理器有不同的指令集。因此，为一种类型的处理器编写的机器代码可能无法在另一种处理器上工作。这意味着软件开发人员在编写程序时必须考虑目标架构，通常导致同一应用程序需要多个版本以支持各种硬件配置。尽管机器代码复杂且人类难以阅读，但它对于计算机的高效运行至关重要。它允许快速执行指令，因为处理器可以直接解释并执行命令，而无需额外的翻译。这种效率在性能至关重要的应用程序中尤为重要，例如视频游戏或实时模拟，在这些应用中，速度和响应能力至关重要。此外，理解机器代码可以提供对计算机如何在基本层面上运行的宝贵见解。对于那些对系统编程、嵌入式系统或网络安全等领域感兴趣的人来说，扎实掌握机器代码可以增强他们编写优化代码、调试复杂问题和开发安全软件的能力。学习机器代码还培养了对计算机复杂性的更深刻理解，鼓励程序员批判性地思考他们的代码如何与硬件交互。总之，机器代码是计算机编程中不可或缺的一部分，它支撑着高级语言与计算机硬件之间的互动。尽管乍看之下可能令人畏惧，但深入理解机器代码可以使程序员能够创建更高效、更有效的软件。随着技术的不断进步，机器代码的相关性依然坚定，使其成为任何追求计算机科学职业的人的重要研究领域。