There is a super-simplified assembly that is often used for teaching called the Little Man Computer[1] Playing with this is a good way to get a feel for how assembly and machine code work. On the Wikipedia page, there are a number of simulators you can try.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Little_man_computer" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Little_man_computer</a>