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  2. Parallel Peripheral Interface - Wikipedia

    en.wikipedia.org/wiki/Parallel_Peripheral_Interface

    The Parallel Peripheral Interface (PPI) is a peripheral found on the Blackfin embedded processor. The PPI is a half-duplex , bi-directional port that is designed to connect directly to LCDs , CMOS sensors , CCDs , video encoders (video DACs ), video decoders (video ADCs ) or any generic high speed, parallel device.

  3. Pixel density - Wikipedia

    en.wikipedia.org/wiki/Pixel_density

    The dot pitch of a computer display determines the absolute limit of possible pixel density. Typical circa-2000 cathode-ray tube or LCD computer displays range from 67 to 130 PPI, though desktop monitors have exceeded 200 PPI, and certain smartphone manufacturers' flagship mobile device models have been exceeding 500 PPI since 2014.

  4. Intel 8255 - Wikipedia

    en.wikipedia.org/wiki/Intel_8255

    The 8255 has a similar function to the Motorola 6820 PIA (Peripheral Interface Adapter) from the Motorola 6800 family, also originally packaged as 40-pin DIL. The 8255 provides 24 I/O pins with four programmable direction bits: one for Port A(7:0) (i.e., all pins in the port), one for Port B(7:0), one for Port C(3:0) and one for Port C(7:4).

  5. Proton-pump inhibitor - Wikipedia

    en.wikipedia.org/wiki/Proton-pump_inhibitor

    As described above, the active form will covalently and irreversibly bind to the gastric proton pump, deactivating it. In H. pylori eradication, PPIs help by increasing the stomach pH, causing the bacterium to shift out of its coccoid form which is resistant to both acids and antibiotics. PPIs also show some weaker additional effects in ...

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    2NF—Second Normal Form; 3GL—Third-Generation Programming Language; 3GPP—3rd Generation Partnership Project – 3G comms; 3GPP2—3rd Generation Partnership Project 2; 3NF—Third Normal Form; 386—Intel 80386 processor; 486—Intel 80486 processor; 4B5BLF—4-bit 5-bit Local Fiber; 4GL—Fourth-Generation Programming Language; 4NF ...

  7. PPI - Wikipedia

    en.wikipedia.org/wiki/PPI

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  8. 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!

  9. Plan position indicator - Wikipedia

    en.wikipedia.org/wiki/Plan_position_indicator

    A plan position indicator (PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial trace on the PPI sweeps in unison with it about the center point. It is the most common type of radar ...