Answering fundamental questions about what can be computed and what amount of resources are required to perform those computations is the primary focus on the study of the theory of computation. According to Peter J. Denning, "What can be (efficiently) automated?" is the fundamental question underlying computer science. To answer that question, computability theory examines which computational problems are solvable on various theoretical models of computation. The second question is addressed by computational complexity theory. That theory studies the time and space costs associated with different approaches to solving a multitude of

Association for Computing Machinery members serve on the Computing Sciences Accreditation Board (CSAB) (ACM). Areas of computer science that the IEEE Computer Society (IEEE-CS) deems essential to the field are listed below. Programming Methodologies and Languages, Theory of Computation, Computer Elements and Architecture, and Algorithms and Data Structures are the four main topics of study. In addition to computer networking and communication, database systems, artificial intelligence, and computer-human interaction

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In light of the fact that scientific research depends on data and data handling, a Danish scientist has chosen to use the term "Danish scientist." The University of Copenhagen's Department of Datalogy was the first to adopt the word. Peter Naur was the first professor of datalogy at the time of its inception in 1969. CS encompasses a wide range of topics. From the theoretical study of algorithms and the limitations of computation to the practical considerations of computing systems in software and hardware, computer science covers a wide variety of subjects. Association for Computing Machinery members serve on the Computing Sciences Accreditation Board (CSAB) (ACM). Areas of computer science that the IEEE Computer Society (IEEE-CS) deems essential to the field are listed below. Programming Methodologies and Languages, Theory of Computation, Computer Elements and Architecture, and Algorithms and Data Structures are the four main topics of study. In addition to computer networking and communication, database systems, artificial intelligence, and computer-human interaction, the Computing Sciences Accreditation Board (CSAB) recognises additional subjects. Other disciplines of computer science, such as operating systems, parallel computing and computer graphics as well as software engineering and distributed computation, are also highlighted by CSAB. Theory of computing research aims to answer basic concerns regarding what can be computed and how much resources are needed to do so. The basic issue of computer science, according to Peter J. Denning, is "What can be (efficiently) automated?" Computability theory analyzes which computational issues can be solved using different theoretical models of computing in order to answer that question. Computer complexity theory helps answer the second question. This theory investigates the time and space costs associated with various techniques to addressing a wide range of computing problems. This theory. The "P=NP?" topic, one of the Millennium Prize Problems, remains an outstanding question in the theory of computing.