The personal computer or microcomputer revolution: In the early 1970s, several innovations and significant improvements in technology, miniaturization, integrated circuits, and semiconductor development led to the emergence of the first personal computers. Notable early personal computer models like MITS Altair, Tandy Corporation TRS-80, Commodore PET, Apple I, Apple II, TRS-80 Color Computer, Atari 400/800 series, Sinclair ZX series, etc. paved the way for more accessible and user-friendly computing experience, shifting the dynamics and democratizing the access to computation and information to wider masses beyond large institutions and specialized fields.