- PPM
PPM may refer to:
* In music:
** "Please Please Me ", the first album byThe Beatles .
* In computing:
**Perl package manager , a packaging system for distributing precompiled modules for use with the Activestate binary distribution of the Perl programming language
**Portable pixmap , a graphics file format
**Prediction by Partial Matching , a compression algorithm used in computer science
**Probabilistic Packet Marking, an IP Traceback method
**"Processor Power Management", an update ofAdvanced Configuration and Power Interface
**Pulse-position modulation , a form of data transmission
* In media:
**Portable People Meter , created by Arbitron to measure radio broadcast audiences
**Peter, Paul and Mary , a folk music group of the 1960s
* In science:
**Proton precession magnetometer , which measures the strength and/or direction of a magnetic field by measuring the resonance frequency of protons (hydrogen nuclei) in the magnetic field
**Parts per million , a way of quantifying small concentrations
**PPM Star Catalogue An astrometric catalogue of 378,910 stars
** In medicine:
***Permanent pacemaker or artificial pacemaker
***Persistent pupillary membrane , a condition in the eye
* In audio:
**Peak programme meter , a type of audio level meter
* In management:
**Product Portfolio Management , an aspect of Product Management
**Project Portfolio Management , management of a set of programmes as a single portfolio
*Pages per minute , a measure of speed often used to market printers or photocopiers
*Parry People Movers , a British company manufacturing lightweight railbuses
*Partido Popular Monárquico (People's Monarchist Party), Portuguese political party*
Persekutuan Pengakap Malaysia , the Scouts Association of Malaysia
*Planned Preventative Maintenance , a schedule/program for building maintenance
* In finance:
**Private Placement Memorandum , the initial offering document for a private placement
*In radio technology:
**Pulse-position modulation , a form of signal modulation
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