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What is a Computer?
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References Roger Penrose: –“The Emperor's New Mind”, Oxford Univ Press (89). –“The Large, the small & the Human Mind”, Cambridge Univ Press (97) J.P.Uyemura: –“A 1st Course in Digital Systems Design: an Integrated Approach”, –Brooks / Cole Publ (2000) A.Margolis: –“Troubleshooting & Repairing Personal Computers”, 2 nd ed., –McGraw Hill (91)
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Algorithm Abou Ja’far Mohammed ibn Musa al- Khowarizm, –“Kitab al jabr w’al-muqabala”(~825 AD ) Euclid’s algorithm for HCF
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Boolean Algebra –
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Turing Machine
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Artificial Intelligence Expert Systems The Turing Test Grey Walter’s Tortoise (1953) K.M.Colby’s Psychotherapist (1960s) Chess Program Pain-Pleasure Strong AI Roger Schank & Hamburger (1977) John Searle’s Chinese Room (1980)
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Implementation
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Hierarchical Design
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Components of a Computer Central Processing Unit –Mathematical Processor –Controller Memory –Transient –Permanent Input Output
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Hardware
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Hierarchy
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Integrated Circuits
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CMOS Circuits
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Logic Gates
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Logic Units
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System
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System Primitives Clock Logic Gates Memory Registers
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Microprocessors
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8088/808
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80386
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