Machine and Assembly languages | eSource Technology

Machine language is a low-level programming language. Machine language can only be represented by 0s and 1s. In earlier when we must create a picture or show data on the screen of the computer. then it is very difficult to draw using only binary digits (0s and 1s). For example: To write 120 in the computer system its representation is 1111000. So, it is very difficult to learn. To overcome this problem the assembly language is invented. Assembly language is more than low-level and less than high-level language. so it is an intermediary language. Assembly languages use numbers, symbols, and abbreviations instead of 0s and 1s. For example: For addition, subtraction, and multiplications. it uses symbols likes Add, Sub and Mul, etc

Machine Language	Assembly Language
In machine language data only represented with the help of binary format (0s and 1s), hexadecimal and octal decimal. Machine language is very difficult to understand by the human beings. Modifications and error fixing cannot be done in machine language. Machine language is very difficult to memorize so it is not possible to learn the machine language.	In assembly language data can be represented with the help of mnemonics such as Mov, Add, Sub, End etc. Assembly language is easy to understand by the human being as compared to machine language. Modifications and error fixing can be done in assembly language. Easy to memorize the assembly language because some alphabets and mnemonics are used.

Types of Assembly Languages
Assembly language closely tied to processor architecture At least four main types:
✓ CISC: Complex Instruction-Set Computer RISC:
✓ Reduced Instruction-Set Computer DSP:
✓ Digital Signal Processor VLIW:
✓ Very Long Instruction Word

Machine language, or machine code, is a low-level language. comprised of binary digits (ones and zeros). High-level languages, such as Swift and C++ must be compiled into machine language. before the code is run on a computer.
Since computers are digital devices, they only recognize binary data. Every program, video, image, and character of text is represented in binary. This binary data, or machine code, is processed as input by the CPU. The resulting output is sent to the operating system or an application, which displays the data visually. For example, the ASCII value for the letter “A” is 01000001 in machine code, but this data is displayed as “A” on the screen. An image may have thousands or even millions of binary values that determine the color of each pixel.

While machine code is comprised of 1s and 0s, different processor architectures use different machine code. For example. a PowerPC processor, which has a RISC architecture. requires different code than an Intel x86 processor, which has a CISC architecture. A compiler must compile high-level source code for the correct processor architecture. in order for a program to run correctly.

Machine Language vs Assembly Language

Machine language and assembly language are both low-level languages. but machine code is below assembly in the hierarchy of computer languages. Assembly language includes human-readable commands. such as mov, add, and sub, while machine language does not contain any words or even letters. Some developers manually write assembly language to optimize a program. but they do not write machine code. Only developers who write software compilers need to worry about machine language.

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