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The ‘stuff you can touch’. Evolution of Computer Hardware Abacus counting machines Babbage’s difference engine Hollerith’s tabulating machine ABC computer.

Published byNigel Sherman Modified over 7 years ago

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Presentation on theme: "The ‘stuff you can touch’. Evolution of Computer Hardware Abacus counting machines Babbage’s difference engine Hollerith’s tabulating machine ABC computer."— Presentation transcript:

1 The ‘stuff you can touch’

2 Evolution of Computer Hardware Abacus counting machines Babbage’s difference engine Hollerith’s tabulating machine ABC computer ENIAC

3 Categories of Computer Hardware Supercomputers Mainframe computers Minicomputers Server Workstation Microcomputers Desktop Laptop Mobile computers (phones)

4 Differences in categories Hardware Input Process(or) Output Storage Software Systems Applications Users Price Vendors

5 It’s about the network… Sharing resources Sharing data Sharing expertise

6 And who controls it… Centralization Decentralization

7 And the cost CategoryCost SupercomputersMulti-Millions MainframesMillions ServersThousands PC’sHundreds MobileFree?

8 Comparing the types CategoryHardwareSoftwareUsersPriceVendors Supercomputers Mainframes Mini/Servers PC Mobile

9 Key terms Supercomputer Mainframe Minicomputer Server PC Mobile TCO CPU RAM I/O O/S

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