Historical Computer Engineering

What he used to enter the program?

floppy disks filmstrips punch cards

Which number system was used for the bill?

octal decimal dual

Which number system was used for the input?

decimal dual octal

How many commands could be processed?

four eight ten

How many seconds were needed for an addition.

one two three

What was the biggest change to the Z1?

mechanical elements magnetic drum storage relay

Which new arithmetic operations were implemented?

extracting a root division signum

What disadvantages did the Z3 have in the program schedule?

unreliable fixed random

What could not be used for data input?

mouse keyboard punch cards

What the Z3 still not were?

functional freely programmable universal

In which range the Z4 was introduced in 1955?

mathematics armor research structural engineer

Which computer was the first commercial success of the Zuse KG?

Z5 Z22 Z26

What was first used in the Z23?

pipelining relay transistors

How much time were required for an multiplication with the Z26?

8ns 6µs 3ms

As what the Z64 was used?

drawing table chess computer robot

Konrad Zuse