Chronological Order of Initial Date of Operation of Computing Systems
| 最初の稼働時期(Initial Date of Operation) | コンピュータ・システム名称(System) | |
| May 1950 | SEAC | |
| 1950 | WHIRLWIND II | |
| Mar 1951 | SWAC | |
| Mar 1951 | UNIVAC I | |
| 1951 | EDVAC | |
| Mar 1952 | MANIAC I | |
| Mar 1952 | ORDVAC | |
| Sep 1952 | ILLIAC | |
| 1952 | ELECOM 100 | |
| Mar 1955 | LOGISTICS | |
| Apr 1955 | QARAC | |
| May 1953 | IBM 701 | |
| Aug 1953 | MAGNEFILE D | |
| Aug 1953 | UNIVAC 1103 1103 A | |
| Dec 1953 | UDEC I II III | |
| 1953 | IBM 604 | |
| 1953 | NATIONAL 102 A | |
| Feb 1954 | MAGNEFILE B | |
| Mar 1954 | JOHNNIAC | |
| Apr 1954 | DYSEAC | |
| Jun 1954 | ALWAC II | |
| Jun 1954 | CIRCLE | |
| Jul 1954 | MODAC 5011* | |
| Sep 1954 | MODAC 1*04 | |
| 1954 | BENDIX D 12 | |
| 1954 | BURROUGHS 204 | |
| 1954 | BURROUGHS 205 | |
| 1954 | IBM 650 RAMAC TAPES | |
| 1954 | LGP 30 | |
| 1954 | WISC | |
| Feb 1955 | IBM 702 | |
| Feb 1955 | MONROBOT III | |
| Feb 1955 | NORC | |
| Mar 1955 | MINIAC II | |
| Mar 1955 | MONROBOT V | |
| Aug 1955 | UNIVAC 1101 | |
| Nov 1955 | BIZMAC I | |
| 1955 | ALWAC III E | |
| 1955 | BURROUGHS E 101 | |
| 1955 | IBM 705 I II | |
| 1955 | MODAC 410 | |
| 1955 | PENNSTAC | |
| 1955 | UNIVAC 60 | |
| 1955 | UNIVAC 120 | |
| 1955 | UNIVAC 1102 | |
| Feb 1956 | READLX | |
| Apr 1956 | AF/CRC | |
| Apr 1956 | IBM 704 | |
| Oct 1956 | MODAC 414 | |
| 1956 | BENDIX G 15 | |
| 1956 | BIZMAC II | |
| 1956 | ELECOM 50 | |
| 1956 | ELECOM 120 | |
| 1956 | ELECOM 125 125FP | |
| 1956 | IBM 608 | |
| 1956 | LEPRECHAUN | |
| 1956 | MONROBOT MU | |
| 1956 | NAREC | |
| 1956 | PHILCO 1000 | |
| 1956 | RECOMP I CP 266 | |
| 1956 | TELEREGISTER MAGNET INVENT CONT | |
| Sep 1957 | GEORGE | |
| Sep 1957 | UNIVAC FILE 0 | |
| Nov 1957 | AN/FSQ 7 AN/FSQ 8 (SAGE) | |
| 1957 | IBM 709 | |
| 1957 | LINCOLN TX 0 | |
| 1957 | MANIAC II | |
| 1957 | PHILCO 2000 | |
| May 1958 | UNIVAC II | |
| Sep 1958 | AN/MJQ 1 REDSTONE | |
| 1958 | IBM 610 | |
| 1958 | LINCOLN TX 2 | |
| 1958 | WRU SEARCHING SELECTOR | |
| Jan 1959 | RCA 501 | |
| Feb 1959 | BURROUGHS 220 | |
| Feb 1959 | UNIVAC 1105 | |
| Jul 1959 | GE 100 ERMA | |
| Sep 1959 | FOSDIC | |
| Nov 1959 | NATIONAL 304 | |
| 1959 | AN/TYK 6v BASICPAC | |
| 1959 | GENERAL ELECTRIC 210 | |
| 1959 | LIBRASCOPE AIR TRAFFIC | |
| 1959 | LIBRASCOPE ASN 24 | |
| 1959 | RASTAD | |
| 1959 | RFC 9000 | |
| 1959 | BW JOO | |
| 1959 | TRICE | |
| 1959 | UNIVAC SOLID STATE 80/90 | |
| Jan 1960 | CDC 1604 | |
| Jan 1960 | HUGHES BM GUIDANCE | |
| Jan 1960 | UNIVERSAL DATA TRANS | |
| Apr 1960 | SYLVANIA UDOFTT | |
| Apr 1960 | UNIVAC LARC | |
| Aug 1960 | BENDDC CUBIC TRACKER | |
| Oct 1960 | BURROUGHS D 209 | |
| 1960 | AMOS IV | |
| 1960 | AN/USQ 20 | |
| 1960 | CUBIC AIR TRAFFIC | |
| 1960 | CUBIC TRACKER | |
| 1960 | DIANA | |
| 1960 | FADAC | |
| 1960 | GENERAL ELECTRIC 225 | |
| 1960 | GENERAL MILLS APSAC | |
| 1960 | GENERAL MILLS AD/ECS | |
| 1960 | GENERAL ELECTRIC 312 | |
| 1960 | HAMPSHIRE TRTDS 9J2 | |
| 1960 | HRB SINGER | |
| 1960 | HONEYWELL SCO | |
| 1960 | HUGHES DIGITAIR | |
| 1960 | INTELEX AIRLINE RESERVATION | |
| 1960 | IBM 1401 | |
| 1960 | IBM 1410 | |
| 1960 | IBM 7070 | |
| 1960 | IBM 7080 | |
| 1960 | IBM 7090 | |
| 1960 | IBM STRETCH | |
| 1960 | LEEDS NORTHROP 3000 | |
| 1960 | LIBRASCOPE MK 130 | |
| 1960 | LIBRASCOPE 407 | |
| 1960 | LIBRATROL 1000 | |
| 1960 | LITTON DATA ASSESSOR | |
| 1960 | MANIAC III | |
| 1960 | MERLIN | |
| 1960 | MOBIDIC A | |
| 1960 | MOBIDIC B | |
| 1960 | MOBIDIC C D & 7A | |
| 1960 | NATIONAL 315 | |
| 1960 | NATIONAL 390 | |
| 1960 | NORDEN VOTE TALLY | |
| 1960 | ORACLE | |
| 1960 | PACKARD BELL 250 | |
| 1960 | PERK I II | |
| 1960 | PHILCO 3000 | |
| 1960 | PROGRAMMED DATA PROCESSOR | |
| 1960 | RCA 200 | |
| 1960 | RCA 300 | |
| 1960 | RFC 4000 | |
| 1960 | RASTAC | |
| 1960 | RW 400 | |
| 1960 | REPAC | |
| 1960 | SCRIBE | |
| 1960 | SPEC | |
| 1960 | STORED PROGRAM DBA | |
| 1960 | SYLVANIA S 9400 | |
| 1960 | TARGET INTERCEPT | |
| 1960 | UNIVAC III | |
| 1960 | UNIVAC STEP | |
| 1960 | WESTINGHOUSE AIRBORNE | |
| Apr 1961 | BRLESC | |
| Jul 1961 | RCA 601 | |
| Kov 1961 | UNIVAC 490 | |
| 1961 | AN/TYK 7v INFORMER | |
| 1961 | IBM 7074 | |
| 1961 | ITT BANK LN PROC | |
| 1961 | ITT SPES 025 | |
| 1961 | OKLAHOMA UNIV | |
| 1961 | RCA 110 | |
| 1961 | RICE UNIVERSITY | |
| 1962 | UNIVAC 1107 |