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  2. Quantum computing - Wikipedia

    en.wikipedia.org/wiki/Quantum_computing

    Quantum computing. Quantum System One, a quantum computer by IBM from 2019 with 20 superconducting qubits [ 1] A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior using specialized hardware.

  3. Qubit - Wikipedia

    en.wikipedia.org/wiki/Qubit

    qudit ( d -dimensional) v. t. e. The general definition of a qubit as the quantum state of a two- level quantum system. In quantum computing, a qubit ( / ˈkjuːbɪt /) or quantum bit is a basic unit of quantum information —the quantum version of the classic binary bit physically realized with a two-state device.

  4. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...

  5. Server (computing) - Wikipedia

    en.wikipedia.org/wiki/Server_(computing)

    A server is a computer that provides information to other computers called "clients" on computer network. [ 1] This architecture is called the client–server model. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients or performing computations for a client.

  6. Outline of computer engineering - Wikipedia

    en.wikipedia.org/wiki/Outline_of_computer...

    Computer engineers are involved in many hardware and software aspects of computing, from the design of individual microcontrollers, microprocessors, personal computers, and supercomputers, to circuit design. This field of engineering not only focuses on how computer systems themselves work, but also how they integrate into the larger picture.

  7. Pipeline (computing) - Wikipedia

    en.wikipedia.org/wiki/Pipeline_(computing)

    In computing, a pipeline, also known as a data pipeline, is a set of data processing elements connected in series, where the output of one element is the input of the next one. The elements of a pipeline are often executed in parallel or in time-sliced fashion. Some amount of buffer storage is often inserted between elements.

  8. Quantum cryptography - Wikipedia

    en.wikipedia.org/wiki/Quantum_cryptography

    Quantum cryptography. Quantum cryptography is the science of exploiting quantum mechanical properties to perform cryptographic tasks. [ 1][ 2] The best known example of quantum cryptography is quantum key distribution, which offers an information-theoretically secure solution to the key exchange problem.

  9. Computer algebra system - Wikipedia

    en.wikipedia.org/wiki/Computer_algebra_system

    A computer algebra system ( CAS) or symbolic algebra system ( SAS) is any mathematical software with the ability to manipulate mathematical expressions in a way similar to the traditional manual computations of mathematicians and scientists. The development of the computer algebra systems in the second half of the 20th century is part of the ...

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