Match the beginnings with the endings.
1. A hundred years passed before a machine like the one Babbage conceived… 2. When he designed the Mark I Aiken… 3. He was amazed… 4. The Mark I is the closest thing to the Analytical Engine… · that has ever been built or ever will be. · was actually built. · was not familiar with the Analytical Engine. · to learn how many of his ideas Babbage had anticipated. 5. The Mark I was controlled… 6. it was basically… 7. It was driven… 8. It … · by electricity instead of steam. · by a punched paper tape. · mechanical. · served to transmit information from one part of the machine to another. · was scarcely finished before it was obsolete. 9. What was needed… 10. The speed of operation would be limited… 11. ENIAC… 12. For computing and memory… 13. For control, … 14. After ENIAC, all computers… 15. EDVAC… 16. EDVAC's program… · was a machine whose computing, control, and memory elements were completely electrical. · not by the speed of mechanical moving parts but by the much greater speed of moving electrons. was the machine that rendered the electromechanical computers obsolete. · it used an electrical plug board. · would be electronic. · ENIAC used vacuum tubes. · was 500 times as fast as the best electromechanical computer. · was the first of many computers with acronyms for names. · was by far the more advanced of the two machines. · used binary notation to represent numbers inside the machine. · was stored in the machine's memory, just like the data. 17. Since the programs were stored … 18. Such program-manipulating programs… 19. one program could … 20. the technology used to build computers... 21. Each generation… · manipulate another program as if it were data. · the same way the dataware. · play a crucial role in modern computer systems. · has gone through several revolutions. · use a different technology.
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