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  2. History of writing - Wikipedia

    en.wikipedia.org/wiki/History_of_writing

    The history of writing traces the development of writing systems [1] and how their use transformed and was transformed by different societies. The use of writing prefigures various social and psychological consequences associated with literacy and literary culture. With each historical invention of writing, true writing systems were preceded by ...

  3. Pager - Wikipedia

    en.wikipedia.org/wiki/Pager

    Pager. A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter. [2]

  4. Memory paging - Wikipedia

    en.wikipedia.org/wiki/Memory_paging

    Memory paging. In computer operating systems, memory paging (or swapping on some Unix-like systems) is a memory management scheme by which a computer stores and retrieves data from secondary storage [a] for use in main memory. [citation needed] In this scheme, the operating system retrieves data from secondary storage in same-size blocks called ...

  5. History of Unix - Wikipedia

    en.wikipedia.org/wiki/History_of_Unix

    Thompson began writing simulations of the new system under Multics, to understand the paging performance of the system. As this appeared promising, Thompson began writing the system for the GE 645, starting with a new custom assembler language. But it soon became clear that the 645 would be gone in some months, and the work was abandoned.

  6. Pagination - Wikipedia

    en.wikipedia.org/wiki/Pagination

    Pagination, also known as paging, is the process of dividing a document into discrete pages, either electronic pages or printed pages.. In reference to books produced without a computer, pagination can mean the consecutive page numbering to indicate the proper order of the pages, which was rarely found in documents pre-dating 1500, and only became common practice c. 1550, when it replaced ...

  7. Al Gross (engineer) - Wikipedia

    en.wikipedia.org/wiki/Al_Gross_(engineer)

    Al Gross (engineer) Irving " Al " Gross ( / ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone. [3]

  8. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    The earliest known writing for record keeping emerged from a system of accounting that used small clay tokens. The earliest artifacts claimed to be tokens are from Tell Abu Hureyra , a site in the Upper Euphrates valley in Syria dated to the 10th millennium BCE, [16] and Ganj-i-Dareh Tepe , a site in the Zagros region of Iran dated to the 9th ...

  9. Writing system - Wikipedia

    en.wikipedia.org/wiki/Writing_system

    v. t. e. A writing system comprises a particular set of symbols, called a script, as well as the rules by which the script represents a particular language. Writing systems can generally be classified according to how symbols function according to these rules, with the most common types being alphabets, syllabaries, and logographies.