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A passenger name record (PNR) is a record in the database of a computer reservation system (CRS) that contains the itinerary for a passenger or a group of passengers travelling together. The concept of a PNR was first introduced by airlines that needed to exchange reservation information in case passengers required flights of multiple airlines ...
The Philippine National Railways (PNR) (Filipino: Pambansang Daambakal ng Pilipinas; Spanish: Ferrocarril Nacional de Filipinas) is a state-owned railway company in the Philippines which operates one commuter rail service between Laguna and Quezon, and local services between Sipocot, Naga and Legazpi in the Bicol Region. [5]
The PNR Metro Commuter Line was a commuter rail line operated by the Philippine National Railways. It was first inaugurated as the Metro Manila Commuter Service in 1970, and originally served the North Main Line and the South Main Lines, as well as the defunct Carmona and Guadalupe branch lines.
ixigo (pronounced "ik-si-go") is an Indian online travel portal headquartered in Gurgaon.Launched in 2007, ixigo aggregates real-time travel information, prices and availability for flights, trains, buses, and hotels, and allows ticket booking through its associate websites and apps.
While managing R&D projects for the Army and later at GE, Putnam noticed software staffing profiles followed the Rayleigh distribution. [2]Putnam used his observations about productivity levels to derive the software equation:
Branch prediction attempts to guess whether a conditional jump will be taken or not. Branch target prediction attempts to guess the target of a taken conditional or unconditional jump before it is computed by decoding and executing the instruction itself. Branch prediction and branch target prediction are often combined into the same circuitry.
Prediction tools are usually conservative and thus predict lower availability than that actually encountered in flight to provide protection for the lowest end receiver models. Because RAIM operates autonomously, that is without the assistance of external signals, it requires redundant pseudorange measurements.
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons.The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spins excited are those of the electrons instead of the atomic nuclei.