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  2. 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 ...

  3. PPM - Wikipedia

    en.wikipedia.org/wiki/PPM

    Perl package manager, for software packages; Planted partition model, a special case of Stochastic block model; Portable pixmap format, a Netpbm format; Prediction by partial matching, a data compression technique

  4. Parts-per notation - Wikipedia

    en.wikipedia.org/wiki/Parts-per_notation

    At 10 000 ppm the solution is a deep red colour. As the concentration decreases the colour becomes orange, then a vibrant yellow, with the final 1 ppm sample a very pale yellow. In science and engineering , the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities , e.g. mole fraction or ...

  5. Peak programme meter - Wikipedia

    en.wikipedia.org/wiki/Peak_programme_meter

    A typical British quasi-PPM. Each division between '1' and '7' is exactly four decibels and '6' is the intended maximum level. A peak programme meter (PPM) is an instrument used in professional audio that indicates the level of an audio signal. Different kinds of PPM fall into broad categories: True peak programme meter. This shows the peak ...

  6. Intergraph - Wikipedia

    en.wikipedia.org/wiki/Intergraph

    Intergraph Corporation was an American software development and services company, which now forms part of Hexagon AB.It provides enterprise engineering and geospatially powered software to businesses, governments, and organizations around the world, and operates through three divisions: Hexagon Asset Lifecycle Intelligence (ALI, formerly PPM), Hexagon Safety & Infrastructure, and Hexagon ...

  7. Pulse-position modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-position_modulation

    Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of possible required time shifts. [ 1 ] [ 2 ] This is repeated every T seconds, such that the transmitted bit rate is M / T {\displaystyle M/T} bits per second.

  8. Project management - Wikipedia

    en.wikipedia.org/wiki/Project_management

    An increasing number of organizations are using what is referred to as project portfolio management (PPM) as a means of selecting the right projects and then using project management techniques [81] as the means for delivering the outcomes in the form of benefits to the performing public, private or not-for-profit organization.

  9. Devanagari - Wikipedia

    en.wikipedia.org/wiki/Devanagari

    It was developed and in regular use by the 8th century CE [7] and achieved its modern form by 1000 CE. [10] The Devanāgarī script, composed of 48 primary characters, including 14 vowels and 34 consonants, [ 11 ] is the fourth most widely adopted writing system in the world, [ 12 ] [ 13 ] being used for over 120 languages, the most popular of ...