TAGS
MOV DL, 3h ; Load DL with immediate value 3
Assemblers were already available in the 50s, since they don’t require much code analysis: most of the times they simply take the instructions and translate them directly into their corresponding executable values. As a programmer, you had to think like the underlying machine or architecture.
Assembly language is still used on electronic equipment with limited resources, and before high-level languages and libraries get loaded (ex., hardware firmware).
In the 70s and 80s assembly language was fairly common. For instance, all game consoles used assembly language, as the amount of memory available could be as little as a few kilobytes. Lots of code in the original 1984 Macintosh was written in assembly language to save resources.
By this time, a lot of research had been done in high-level programming languages (meaning anything more abstract than assembly).
Fortran was originally developed by in the 50s.
At the time, languages were created to be specialized to solve a specific set of problems: Fortran was intended for scientific processing, and it became the dominant language within this field right away, and enjoyed an enormous amount of success during the following 50 years.
It is still one of the most popular languages in the area of high-performance computing and is the language used for programs that benchmark and rank the world’s fastest supercomputers (see ).
Fortran established the convention of using the asterisk for multiplication, which is still used today in virtually all languages.
This is how it looks:
Program Hello
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