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  2. P system - Wikipedia

    en.wikipedia.org/wiki/P_system

    A P system is a computational model in the field of computer science that performs calculations using a biologically inspired process. They are based upon the structure of biological cells , abstracting from the way in which chemicals interact and cross cell membranes .

  3. Public address system - Wikipedia

    en.wikipedia.org/wiki/Public_address_system

    A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.

  4. Membrane computing - Wikipedia

    en.wikipedia.org/wiki/Membrane_computing

    The P systems may trade space and time complexities and less often use models to explain natural processes in living cells. The studies devise models that may at least theoretically be implemented on hardware. To date, the P systems are nearly all theoretical models that have never been reduced to practice, although a practical system is given ...

  5. Photovoltaic system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system

    A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics.It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and ...

  6. Pi-system - Wikipedia

    en.wikipedia.org/wiki/Pi-system

    In mathematics, a π-system (or pi-system) on a set is a collection of certain subsets of , such that . is non-empty.; If , then .; That is, is a non-empty family of subsets of that is closed under non-empty finite intersections.

  7. p-adic number - Wikipedia

    en.wikipedia.org/wiki/P-adic_number

    The 3-adic integers, with selected corresponding characters on their Pontryagin dual group. In number theory, given a prime number p, [note 1] the p-adic numbers form an extension of the rational numbers which is distinct from the real numbers, though with some similar properties; p-adic numbers can be written in a form similar to (possibly infinite) decimals, but with digits based on a prime ...

  8. High-yield savings rates for March 7, 2025 - AOL

    www.aol.com/finance/savings-interest-rates-today...

    The Federal Reserve — or Fed — is the central bank of the United States and the anchor of the financial system. Its Board of Governors is appointed by the president and confirmed by the Senate ...

  9. UCSD Pascal - Wikipedia

    en.wikipedia.org/wiki/UCSD_Pascal

    UCSD Pascal is a Pascal programming language system that runs on the UCSD p-System, a portable, highly machine-independent operating system. UCSD Pascal was first ...