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  2. MIL-STD-1750A - Wikipedia

    en.wikipedia.org/wiki/MIL-STD-1750A

    Bound copy, from the 1980s, of the MIL-STD-1750A specification document. The 1750A supports 2 16 16-bit words of memory for the core standard. The standard defines an optional memory management unit that allows 2 20 16-bit words of memory using 512 page mapping registers (in the I/O space), defining separate instruction and data spaces, and keyed memory access control.

  3. Lever House - Wikipedia

    en.wikipedia.org/wiki/Lever_House

    Lever House is a 307-foot-tall (94 m) office building at 390 Park Avenue in the Midtown Manhattan neighborhood of New York City.Constructed from 1950 to 1952, the building was designed by Gordon Bunshaft and Natalie de Blois of Skidmore, Owings & Merrill (SOM) in the International Style, a 20th-century modern architectural style.

  4. Air Defense Artillery Branch - Wikipedia

    en.wikipedia.org/wiki/Air_Defense_Artillery_Branch

    1–174 Air Defense Artillery (ADA) 174th ADAB Cincinnati, Ohio: Ohio Army National Guard: AN/TWQ-1 Avenger: 2-174 ADA 174th ADAB McConnelsville, Ohio: Ohio Army National Guard AN/TWQ-1 Avenger 1–188 ADA Separate battalion Grand Forks, North Dakota: North Dakota Army National Guard: AN/TWQ-1 Avenger 1–204 ADA Separate battalion Newton ...

  5. Cardano (blockchain platform) - Wikipedia

    en.wikipedia.org/wiki/Cardano_(blockchain_platform)

    Within the Cardano platform, Ada exists on the settlement layer. This layer keeps track of transactions. The second layer is the computation layer and is designed to be similar to Ethereum, enabling smart contracts and applications to run on the platform. [22] Like other cryptocurrencies, Ada (ADA) can be stored on a digital wallet.

  6. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

  7. Derived unique key per transaction - Wikipedia

    en.wikipedia.org/wiki/Derived_unique_key_per...

    The KSN is formed from the device's unique identifier, and an internal transaction counter. The (cryptogram, KSN) pair is forwarded on to the intended recipient, typically the merchant acquirer, where it is decrypted and processed further. Internally, the device does the following: Increments the transaction count (using an internal counter)

  8. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    Íslandsbanki has a lower limit of ISK 4.200. For each transaction over the limit, Chip and PIN are required. Also, a cumulative limit of ISK 10.000 between Chip and PIN uses. India ₹5000(US$61.04) For transactions above ₹5000(US$61.04), a PIN is required. Indonesia: Rp1.000.000: Transactions above Rp1.000.000, must require 6-digits PIN ...

  9. Chip Authentication Program - Wikipedia

    en.wikipedia.org/wiki/Chip_Authentication_Program

    The response displayed by a CAP reader essentially consists of the various parts of the card's response (Application Transaction Counter, MAC, etc.) which is then reduced to specific bits as determined by the Issuer Authentication Indicator (IAI) record stored in the card (this is set on a per-issuer basis, although should an issuer desire, it ...