45. Which statement describes machine language?
Answer: A
Code expressed in the binary system
Machine language is fundamentally represented in binary code, which consists of sequences of 0s and 1s that the computer's hardware can directly interpret and execute.
A) Code expressed in the binary system
This option is correct as machine language is indeed expressed in binary form. It is the lowest-level programming language, which provides instructions to the computer in a format that the machine can process directly, without the need for translation.
B) Code commands that directly access registers
While machine language can include commands that interact with registers, this statement is too narrow. It does not fully encapsulate the definition of machine language since the term encompasses a broader range of binary instructions beyond just register access.
C) Code that can be run one line at a time
This option is inaccurate as machine language does not operate on the concept of "lines" in the way high-level languages do. Machine language consists of complete binary instructions that are executed in sequence by the processor, rather than being run line by line.
D) Computer code that humans can understand
This statement is incorrect because machine language is not designed to be human-readable. It is a low-level language that requires understanding of binary code, making it challenging for humans to interpret compared to higher-level programming languages.
Conclusion
The correct answer, "Code expressed in the binary system," accurately describes machine language, which is fundamentally composed of binary code that computers use to perform operations. In contrast, the other options either misrepresent the nature of machine language or focus on aspects that do not capture its essential characteristics.