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  2. Information technology - Wikipedia

    en.wikipedia.org/wiki/Information_technology

    Information science. Information technology ( IT) is a set of related fields that encompass computer systems, software, programming languages and data and information processing and storage. [1] IT forms part of information and communications technology (ICT). [2] An information technology system ( IT system) is generally an information system ...

  3. Pulse Oximetry: Uses, Readings, and How It Works - Healthline

    www.healthline.com/health/pulse-oximetry

    Pulse oximetry is a noninvasive test that measures the oxygen saturation level of your blood. It can rapidly detect even small changes in oxygen levels. These levels show how efficiently blood is ...

  4. Diffie–Hellman key exchange - Wikipedia

    en.wikipedia.org/wiki/Diffie–Hellman_key_exchange

    With Diffie-Hellman key exchange, two parties arrive at a common secret key, without passing the common secret key across the public channel. Diffie–Hellman (DH) key exchange is a mathematical method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols as conceived by Ralph Merkle and named after Whitfield Diffie and Martin Hellman.

  5. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; the pattern of position detection was found and determined by applying the least-used ratio (1:1:3:1:1) in black ...

  6. Lipozene Review: Does It Work and Is It Safe? - Healthline

    www.healthline.com/nutrition/lipozene-review

    Reduces calorie intake: It may reduce the absorption of other nutrients, such as protein and fat, so you get fewer calories from the food you eat ( 5, 6 ). Promotes gut health: It may indirectly ...

  7. Microsoft 365 - Wikipedia

    en.wikipedia.org/wiki/Microsoft_365

    Microsoft 365 is a product family of productivity software, collaboration and cloud-based services owned by Microsoft.It encompasses online services such as Outlook.com, OneDrive, Microsoft Teams, programs formerly marketed under the name Microsoft Office (including applications such as Word, Excel, PowerPoint, and Outlook on Microsoft Windows, macOS, mobile devices, and on the web ...

  8. Quantum computing - Wikipedia

    en.wikipedia.org/wiki/Quantum_computing

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

  9. Exchange Transfusion: Purpose, Procedure, and Preparation

    www.healthline.com/health/exchange-transfusion

    An exchange transfusion is a medical procedure that’s done by removing and replacing your blood with blood or plasma from a donor. This is done by using a catheter to transport blood into your ...

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