is the zuse z3 computing system the same as the zuse z4?
no
col : name | first operational | numeral system | computing mechanism | programming | turing complete row 1 : zuse z3 (germany) | may 1941 | binary floating point | electro-mechanical | program-controlled by punched 35 mm film stock (but no condition | in theory (1998) row 2 : atanasoff–berry computer (us) | 1942 | binary | electronic | not programmable—single purpose | no row 3 : colossus mark 1 (uk) | february 1944 | binary | electronic | program-controlled by patch cables and switches | no row 4 : harvard mark i – ibm ascc (us) | may 1944 | decimal | electro-mechanical | program-controlled by 24-channel punched paper tape (but no conditional | debatable row 5 : colossus mark 2 (uk) | june 1944 | binary | electronic | program-controlled by patch cables and switches | in theory (2011) row 6 : zuse z4 (germany) | march 1945 | binary floating point | electro-mechanical | program-controlled by punched 35 mm film stock | yes row 7 : eniac (us) | july 1946 | decimal | electronic | program-controlled by patch cables and switches | yes row 8 : manchester small-scale experimental machine (baby) (uk | june 1948 | binary | electronic | stored-program in williams cathode ray tube memory | yes row 9 : modified eniac (us) | september 1948 | decimal | electronic | read-only stored programming mechanism using the function tables as program rom | yes row 10 : manchester mark 1 (uk) | april 1949 | binary | electronic | stored-program in williams cathode ray tube memory | yes row 11 : edsac (uk) | may 1949 | binary | electronic | stored-program in mercury delay line memory | yes row 12 : csirac (australia) | november 1949 | binary | electronic | stored-program in mercury delay line memory | yes
is the zuse z3 computing system the same as the zuse z4?
Name First operational Numeral system Computing mechanism Programming Turing complete
Zuse Z3 (Germany) May 1941 Binary floating point Electro-mechanical Program-controlled by punched 35 mm film stock (but no conditional branch) In theory (1998)
Atanasoff–Berry Computer (US) 1942 Binary Electronic Not programmable—single purpose No
Colossus Mark 1 (UK) February 1944 Binary Electronic Program-controlled by patch cables and switches No
Harvard Mark I – IBM ASCC (US) May 1944 Decimal Electro-mechanical Program-controlled by 24-channel punched paper tape (but no conditional branch) Debatable
Colossus Mark 2 (UK) June 1944 Binary Electronic Program-controlled by patch cables and switches In theory (2011)
Zuse Z4 (Germany) March 1945 Binary floating point Electro-mechanical Program-controlled by punched 35 mm film stock Yes
ENIAC (US) July 1946 Decimal Electronic Program-controlled by patch cables and switches Yes
Manchester Small-Scale Experimental Machine (Baby) (UK) June 1948 Binary Electronic Stored-program in Williams cathode ray tube memory Yes
Modified ENIAC (US) September 1948 Decimal Electronic Read-only stored programming mechanism using the Function Tables as program ROM Yes
Manchester Mark 1 (UK) April 1949 Binary Electronic Stored-program in Williams cathode ray tube memory and magnetic drum memory Yes
EDSAC (UK) May 1949 Binary Electronic Stored-program in mercury delay line memory Yes
CSIRAC (Australia) November 1949 Binary Electronic Stored-program in mercury delay line memory Yes
no