Architecture
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The Z3
was the replica of the Z1. He consisted of about 2400 relays. The program has been read by a perforated tape reader such as the Z1.
The most important features were the following:
- Dual calculations
- Floating-point numbers
- Control over punched tape
- Convert from dual to decimal and reverse
- Simultaneous processing of multiple instructions
- Parallel addition (about 0.8 seconds)
- Calculation of multiplication , division and square roots in about 3 seconds
- Keyboard input
- Output by a table of lamps
Weaknesses were the not variable program sequences, which did not allow jumps on another code position, and no related commands. This was the main reason why the Z3 represents no universal computer
