Z2 (computer)
Punch cards | |
| Power | 1000 watts |
|---|---|
| Mass | 300 kg (660 lb) |
| Predecessor | Z1 |
| Successor | Z3 |
The Z2 was an
digital computer that was completed by Konrad Zuse in 1940.[1][2][3] It was an improvement on the Z1 Zuse built in his parents' home, which used the same mechanical memory. In the Z2, he replaced the arithmetic and control logic with 600 electrical relay
circuits, weighing over 600 pounds.
The Z2 could read 64
floating point
.
Zuse presented the Z2 in 1940 to members of the DVL[1][2][3] (today DLR) and member Alfred Teichmann, whose support helped fund the successor model Z3.[5]
Specifications
| Frequency | Ca. 5 Hertz |
| Arithmetic Unit | Fixed point arithmetic unit with 16 bit word length |
| Average calculation Speed | 0.8 sec for addition operation |
| Number of Relays | 600 |
| Memory | 64 words (same as Z1) |
| Power Consumption | 1000 watts |
| Weight | 300 kg (660 lb) |
See also
References
- ^ ISSN 1058-6180.(NB. Z1 and Z2.)
- ^ ISBN 978-0-13389917-7. Retrieved 2022-07-10. (NB. Also search the book for Luftfahrt - further part.)
- ^ a b De Mol, Liesbeth (2007). "Chapter 4.1.3 Zuse's Z1, Z2, Z3, Z4 and Plankalkül". Tracing Unsolvability. A Mathematical, Historical and Philosophical Analysis with a Special Focus on Tag Systems (PDF). p. 212. Archived (PDF) from the original on 2022-03-16. Retrieved 2018-05-12. [1] (xii+679 pages)
- ^ Zuse, Horst (2000). "Konrad Zuse's Z1 and Z3 Computers". The Life and Work of Konrad Zuse. EPE Online. Archived from the original on 2008-06-01. Retrieved 2008-06-17.
- ISBN 3-540-00217-0.
- ^ Zuse, Horst (2015). "Z2 Data Sheet". Archived from the original on 2022-02-22. Retrieved 2015-02-09.
Further reading
- from the original on 2022-06-25. Retrieved 2008-07-26.
External links
- Z2 via Horst Zuse (son) web page
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