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  2. Class-5 telephone switch - Wikipedia

    en.wikipedia.org/wiki/Class-5_telephone_switch

    A Class-5 telephone switch is a telephone exchange in the public switched telephone network (PSTN) that directly serves subscribers and manages subscriber calling features. Class-5 services include basic dial-tone , calling features , and additional digital and data services to subscribers connected to a local loop .

  3. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  4. University of North Carolina at Chapel Hill - Wikipedia

    en.wikipedia.org/wiki/University_of_North...

    For the Class of 2025 (enrolled fall 2021), UNC-Chapel Hill received 53,776 applications and accepted 10,347 (19.2%). Of those accepted, 4,689 enrolled, a yield rate (the percentage of accepted students who choose to attend the university) of 45.3%. UNC-Chapel Hill's freshman retention rate is 96.5%, with 91.9% going on to graduate within six ...

  5. P versus NP problem - Wikipedia

    en.wikipedia.org/wiki/P_versus_NP_problem

    Just as the class P is defined in terms of polynomial running time, the class EXPTIME is the set of all decision problems that have exponential running time. In other words, any problem in EXPTIME is solvable by a deterministic Turing machine in O (2 p ( n ) ) time, where p ( n ) is a polynomial function of n .

  6. List of Kamala Harris 2024 presidential campaign endorsements ...

    en.wikipedia.org/wiki/List_of_Kamala_Harris_2024...

    Joe Biden, 46th President of the United States (2021–present) (under whom Harris serves as vice president), 47th Vice President of the United States (2009–2017), U.S. Senator from Delaware (1973–2009), former 2024 Democratic presidential candidate [3]

  7. History of the function concept - Wikipedia

    en.wikipedia.org/wiki/History_of_the_function...

    To demonstrate the notion of a relation in extension Russell now embraced the notion of ordered couple: "We may regard a relation ... as a class of couples ... the relation determined by φ(x, y) is the class of couples (x, y) for which φ(x, y) is true". [82] In a footnote he clarified his notion and arrived at this definition:

  8. California - Wikipedia

    en.wikipedia.org/wiki/California

    California is a state in the Western United States, lying on the American Pacific Coast.It borders Oregon to the north, Nevada and Arizona to the east, and an international border with the Mexican state of Baja California to the south.

  9. World Wide Web - Wikipedia

    en.wikipedia.org/wiki/World_Wide_Web

    A web page from Wikipedia displayed in Google Chrome. The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1]