 
 <prompt> Wetin make all electric computers dey see as superior to the z2? Based on the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: Early digital computers na electromechanical; electric switches dey drive mechanical relays to perform the calculation. These devices get low operating speed and dem later pass am give much faster all-electric computers, originally using vacuum tubes. The Z2, wey German engineer Konrad Zuse create for 1939, na one of the earliest examples of an electromechanical relay computer. 