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===Assembly languages===
Initially, [[machine code]] was the sole method of programming [[Computer|computers]]. [[Assembly language]] (ASM), introduced mnemonics to replace low-level instructions, making it one of the oldest programming languages still used today. Numerous [[Dialect|dialects]] and implementations exist, each tailored to a specific [[computer processor]] [[Instruction set architecture|architecture]]. Assembly languages are [[Low-level programming language|low-level]] and more challenging to use, as they are [[Programming language#Type system|untyped]] and rigid. For educational purposes, simplified dialects of assembly languages have been developed to make coding more accessible to beginners.
Assembly languages are designed for specific processor architectures, and they must be written with the corresponding hardware in mind. Unlike [[High-level programming language|higher-level]] languages, educational assembly languages require a representation of a [[Processor (computing)|processor]] which can be virtual or physical. These languages are often used in educational settings to demonstrate the fundamental operations of a computer processor.[[File:Little Man Computer Simulator LMC.png|alt=This image describes the program Little Man Computer (LMC)'s interface|thumb|An image of Little Man Computer (LMC)'s interface]]
* [[Little man computer|'''Little Man Computer''']] (LMC), (1965) is an instructional model of a simple [[von Neumann architecture]] computer. It includes the basic features of modern computers and can be programmed using machine code (usually in decimal) or assembly. The model simulates a computer environment using a visual metaphor of a person (the "Little Man") in a room with 100 mailboxes ([[Computer memory|memory]]), a calculator (the [[Accumulator (computing)|accumulator]]) and a program counter. LMC is used to help students understand basic processor functions and [[memory management]].
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