Assembly language is a low-level programming language that uses mnemonics to represent machine-level instructions. It is a symbolic representation of the machine code that a computer can execute directly.

In assembly language programming, each instruction represents a specific operation that the computer’s central processing unit (CPU) can execute. Assembly language programs are typically written using a text editor and then converted into machine code using an assembler. The resulting machine code can then be executed by the computer’s CPU.

Assembly language programming provides a level of control over the hardware that high-level programming languages do not. It is often used for system programming, where direct access to the hardware is necessary, as well as for performance-critical applications where the overhead of a high-level language is not acceptable. However, assembly language programming can be more difficult and time-consuming than high-level programming languages, as it requires a deep understanding of the computer’s architecture and instruction set.

Overall, assembly language programming is a powerful tool that can be used to create highly efficient and optimized code for specific hardware platforms.