bˈɪlt ɪnðɪ ˈiəɹə bᵻfˌoːɹ wˈaɪdspɹɛd ɐvˌeɪləbˈɪlᵻɾi ʌv lˈoʊkˈɔst mˌaɪkɹoʊpɹˈɑːsɛsɚz ɔːɹ sˈɑːlɪdstˈeɪt kəmpjˈuːɾɚ mˈɛmɚɹi, ðə sˈɪstəm jˈuːzd smˈɔːlskˈeɪl ˌɪntᵻɡɹˈeɪʃən tˌiːtˌiːˈɛl dˈɪdʒɪɾəl lˈɑːdʒɪk ænd ʃˈɪft ɹˈɛdʒɪstɚ mˈɛmɚɹi.
Built in the era before widespread availability of low-cost microprocessors or solid-state computer memory, the system used small-scale integration TTL digital logic and shift register memory.