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  2. Field-programmable analog array - Wikipedia

    en.wikipedia.org/wiki/Field-programmable_analog...

    For voltage mode devices, each block usually contains an operational amplifier in combination with programmable configuration of passive components. The blocks can, for example, act as summers or integrators. FPAAs usually operate in one of two modes: continuous time and discrete time. Discrete-time devices possess a system sample clock.

  3. Block design - Wikipedia

    en.wikipedia.org/wiki/Block_design

    A partially balanced incomplete block design with n associate classes (PBIBD(n)) is a block design based on a v-set X with b blocks each of size k and with each element appearing in r blocks, such that there is an association scheme with n classes defined on X where, if elements x and y are ith associates, 1 ≤ i ≤ n, then they are together ...

  4. Switch statement - Wikipedia

    en.wikipedia.org/wiki/Switch_statement

    Switch statements come in two main variants: a structured switch, as in Pascal, which takes exactly one branch, and an unstructured switch, as in C, which functions as a type of goto. The main reasons for using a switch include improving clarity, by reducing otherwise repetitive coding, and (if the heuristics permit) also offering the potential ...

  5. Block - Wikipedia

    en.wikipedia.org/wiki/Block

    Block (Internet), technical measures to restrict users' access to certain internet resources Blocking access to certain websites is one form of internet censorship; Block or subnet of the Internet, a subset of the internet in a set of contiguous IP addresses; Block (programming), a group of declarations and statements treated as a unit

  6. Wikipedia : Guide to appealing blocks

    en.wikipedia.org/wiki/Wikipedia:Guide_to...

    The only way such a block can be lifted is if it can be determined that it is no longer an open proxy, or was erroneously identified as one. If you believe this to be the case, say so in your unblock request and the administrator will refer it to the open proxies project , where verified users can determine if it is indeed an open proxy.

  7. Aufbau principle - Wikipedia

    en.wikipedia.org/wiki/Aufbau_principle

    For example, in copper 29 Cu, according to the Madelung rule, the 4s subshell (n + l = 4 + 0 = 4) is occupied before the 3d subshell (n + l = 3 + 2 = 5). The rule then predicts the electron configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 4s 2, abbreviated [Ar] 3d 9 4s 2 where [Ar] denotes the configuration of argon, the preceding noble gas.

  8. Enclosed Alphanumerics - Wikipedia

    en.wikipedia.org/wiki/Enclosed_alphanumerics

    Enclosed Alphanumerics is a Unicode block of typographical symbols of an alphanumeric within a circle, a bracket or other not-closed enclosure, or ending in a full stop. It is currently fully allocated. Within the Basic Multilingual Plane, a few additional enclosed numerals are in the Dingbats and the Enclosed CJK Letters and Months blocks.

  9. List of email subject abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_email_subject...

    The email client will typically check for an existing "Re:" when deciding whether or not to add one in front of the subject. However, clients may use different abbreviations if the computer is set up for a non-English language, e.g. "AW:" for German, and this can mean that a conversation between two participants can build up convoluted subject ...