What is assembly language programming in microprocessor

How do I write a machine code in assembly language?

Assembly language for the 8086 family provides the mnemonic MOV (an abbreviation of move) for instructions such as :
This
So the machine code above can be written as follows in assembly languageComplete with an explanatory comment if required
After the semicolon. This is much easier to read and to remember.

Why did microcomputers use assembly languages?

Microcomputers relied heavily on hand-coded assembly languages in their early stages. It was due to a lack of high-level language compilers designed to operate on microcomputers. Another reason for the assembly language set at the time was that they had many advantages, such as small size, high speed, low overhead, and high reliability.

An assembly language is a low-level programming language for microprocessors and other programmable devices. It is not just a single language, but rather a group of languages. An assembly language implements a symbolic representation of the machine code needed to program a given CPU architecture.An assembly language is a low-level programming language for a computer, or other programmable device, in which there is a very strong (generally one-to-one) correspondence between the language and the architecture’s machine code instructions.

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