Computer Science: Reflections On The Field, Reflections From by National Research Council, Division on Engineering and

By National Research Council, Division on Engineering and Physical Sciences, Computer Science and Telecommunications Board, Committee on the Fundamentals of Computer Science: Challenges and Opportunities

Computing device technology: Reflections at the box, Reflections from the sector offers a concise characterization of key rules that lie on the center of computing device technology (CS) learn. The publication bargains an outline of CS examine spotting the richness and variety of the sphere. It brings jointly dozen essays on diversified points of CS study, their motivation and effects. by means of describing in obtainable shape desktop science’s highbrow personality, and by means of conveying a feeling of its vibrancy via a suite of examples, the publication goals to arrange readers for what the longer term could carry and support to encourage CS researchers in its construction.

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It is precisely this approach that we wish to apply to computation in general. But moving from this example to a fully general model of computation 38 COMPUTER SCIENCE: REFLECTIONS requires some further fundamental ideas, because the notion of a “formula”—a straight-line recipe of arithmetic operations—omits two of the crucial properties of general-purpose computation. First, computation can be repetitive; we should be able to perform some action over and over until a certain stopping condition is satisfied.

Turing’s entry in this field is particularly compelling, not so much because of its mathematical elegance but because of its basic, commonsensical motivation and power. He sought a streamlined mathematical description of what goes on when a person is performing calculations in a large notebook: he or she writes down and erases symbols, turns the pages left or right, keeps a limited number of symbols in his or her memory. The computing device Turing proposed—the Turing machine— has access to an infinite sequence of “pages,” each of which can hold only one symbol.

THE ESSENTIAL CHARACTER OF COMPUTER SCIENCE 15 approach problems? what methods do they use? ). The discussion below elucidates seven major themes without attempting to fully enumerate all the research subfields within computer science, to prescribe a research agenda, or to define the boundaries of computer science. SALIENT CHARACTERISTICS OF COMPUTER SCIENCE RESEARCH The character of a research field arises from the phenomena it seeks to understand and manipulate together with the types of questions the discipline seeks to answer about these phenomena.

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