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3.This device was invented by Charles Xavier Thomas de Colmar
4.This device was invented by Alexander Graham Bell
6.The first generation computers were made up of _____________.
11.He invented the stepped reckoner
13.one of the creator of ENIAC
14.This device was considered the first calculator with keys
15.This device was developed in Babylonia but was popularized in China
Down
1.The slide rule is his masterpiece
2.He used punched card in making an automatic weaving loom
5.His work was adapted by the US government for the tabulation of Census
7.He was considered the Father of the Modern Computer
8.The second generation computers were made mostly of these devices
9.A way of communicating by using symbols and carvings during the olden times
10.His greatest contribution was the AppleCompany
12.She was the secretary of Charles Babbage and became the first computer programmer

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