Modern computer systems have evolved to use Unicode, which has millions of code points, but the first 128 of these are the same as the ASCII set.
mˈɑːdɚn kəmpjˈuːɾɚ sˈɪstəmz hæv ɪvˈɑːlvd tə jˈuːz jˈuːnɪkˌoʊd, wˌɪtʃ hɐz mˈɪliənz ʌv kˈoʊd pˈɔɪnts, bˌʌt ðə fˈɜːst wˈʌnhˈʌndɹɪd twˈɛnti ˈeɪt ʌv ðiːz ɑːɹ ðə sˈeɪm æz ðɪ ˈæski sˈɛt.