The most significant design legacy of the Manchester Mark 1 was perhaps its incorporation of index registers, the patent for which was taken out in the names of Williams, Kilburn, Tootill, and Newman.
Cea importantă moștenire a designului lui Manchester Mark 1 a fost, probabil, includerea registrelor de indexare, brevet înregistrat pe numele lui Williams, Kilburn, Tootill, și Newman.