I designed my own 16-Bit Computer in Microsoft Excel without using Visual Basic scripts, plugins, or anything other than plain Excel. This system on a spreadsheet is based off of a custom Instruction Set Architecture that has a total of 23 instruction mnemonics and 26 opcodes. The main design of the CPU is broken into a fetch unit, control unit, arithmetic logic unit, register file, PC unit, several multiplexers, a memory control unit, a 128KB RAM table, and a 128x128 16-color display. Try it out down below: This video was sponsored by Brilliant computer chip by MITHUN T M from Noun Project Memory by Alvida from Noun project Calculator by Uswa KDT from Noun Project