| 1. The first mechanical calculator was the ___. 2. Pascal designed the first adding machine for ___. 3. The Step Reckoner invented by Leibniz could be used for ___. 4. The Jacquard loom was invented for automatic ___. 5. The ___ tables of the 19th century were full of mistakes. 6. The Difference Engine could ___ equations and led to another ___, the Analytical Engine, which included the key parts of a computer system: an input device, a ___, a control unit, a memory, and an output device. 7. Ada Lovelace helped to develop instructions for carrying out ___ on Babbage machine. | a) computations b) logarithm c) processor d) calculating machine e) weaving of cloth f) calculating taxes g) abacus h) extracting square roots |