Computer science (or
computing science) is the study and the
science of the theoretical foundations of
information and
computation and their implementation and application in
computer systems.
[1][2][3] Computer science has many sub-fields; some emphasize the computation of specific results (such as
computer graphics), while others relate to properties of
computational problems (such as
computational complexity theory). Still others focus on the challenges in implementing computations. For example,
programming language theory studies approaches to describing computations, while
computer programming applies specific
programming languages to solve specific computational problems. A further subfield,
human-computer interaction, focuses on the challenges in making computers and computations useful, usable and universally accessible to
people.
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