This web page is associated with a book called called The Animated Computer
The book can be bought at: https://play.google.com/store/books/details/Dr_Jerome_Heath_THE_EBOOK_ON_COMPUTER_DESIGN?id=WxOTBQAAQBAJ
The book gives excellent explanations for the animated images on this web site. This web page shows the animation of the computer designs in action. The book gives explanations of what the animations are about. Combining the books explanations with the animation provides a well rounded understanding of the animated computer.
The three contexts are: the ALU process; the set of registers related to the ALU; and the program listing.
The Three Contexts Defined
Just a glimpse of how the process looks:
Code Processing in the Standard Computer
The blank screen means we are starting over again. The computer itself runs at an extremely fast pace; many many times as fast as this picture.
Dr. Jerome Heath