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Ch1 - Chapter 1 1.4 A Computer System o Directs the...

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Chapter 1 1.4: A Computer System o Directs the processing of information and it performs the actual processing of information o Two important themes: Abstraction, and hardware versus software 1.5: Two Very Important Ideas o All computers are capable of computing exactly the same things if they are given enough time and enough memory. o We describe our problems in English or some other language spoken by people. Yet the problems are solved by electrons running around inside the computer. 1.6: Computers as Universal Computational Devices o Analog machines: machines that produced an answer by measuring some physical quantity such as distance or voltage o Digital machines: machines that perform computations by manipulating a fixed finite set of digits or letters. o Universal Computational Device: Anything that can be computed, can be computed by a computer provided it has enough time and memory 1.7: How do we get the electrons to do the work? o
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Ch1 - Chapter 1 1.4 A Computer System o Directs the...

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