Browse Definitions by Alphabet

public data - Public data is information that can be shared, used, reused and redistributed without restriction.
public domain - Public domain is a designation for content that is not protected by any copyright law or other restriction and may be freely copied, shared, altered and republished by anyone.
public key - In cryptography, a public key is a large numerical value that is used to encrypt data.
public key certificate - A public key certificate is a digitally signed document that serves to validate the sender's authorization and name.
Public-Key Cryptography Standards (PKCS) - Public-Key Cryptography Standards (PKCS) are a set of standard protocols, numbered from 1 to 15.
public-private partnership (PPP) - A public-private partnership (PPP) is a funding model for public infrastructure projects and initiatives such as a new telecommunications system, public transportation system, airport or power plant.
pulse - A pulse is a burst of current, voltage, or electromagnetic-field energy.
pulse amplitude modulation (PAM) - Pulse amplitude modulation (PAM) is the transmission of data by varying the amplitudes (voltage or power levels) of the individual pulses in a regularly timed sequence of electrical or electromagnetic pulses.
purchase intent - Purchase intent is the probability that a consumer will buy a product or service.
pure risk - Pure risk refers to risks that are beyond human control and result in a loss or no loss with no possibility of financial gain.
Pure Storage - Pure Storage is a provider of enterprise data flash storage products designed to substitute for electromechanical disk arrays.
purple screen of death (PSOD) - A purple screen of death (PSOD) is a diagnostic screen with white type on a purple background that's displayed when the VMkernel of a VMware ESXi host experiences a critical error, becomes inoperative and terminates any virtual machines (VMs) that are running.
purpose-built backup appliance (PBBA) - A purpose-built backup appliance (PBBA) is a standalone disk-based storage device that is configured and optimized for storing backup data.
push notification - Push notification, also called server push notification, is the delivery of information from a software application to a computing device without a specific request from the client.
Push to Talk (PTT) - Push to talk (PTT), is a means of instantaneous communication commonly employed in wireless cellular phone services that uses a button to switch a device from voice transmission mode to voice reception mode.
Python - Python is a high-level, general-purpose, interpreted object-oriented programming language.
PyTorch - PyTorch is an open source machine learning (ML) framework based on the Python programming language and the Torch library.
software portability - Software portability is a characteristic attributed to a computer program if it can run with minimal rework on operating systems (OSes) other than the one for which it was created.
The Phoenix Project - The Phoenix Project is a best-selling novel about DevOps.
The Phoenix Project book club - Chapters 1 and 2 podcast - This podcast (with transcript) covers the first two chapters of The Phoenix Project, a popular business and technology book about DevOps.
What is a partition in computers? - A partition is a logical division of a hard disk drive (HDD) that's treated as a separate unit by operating systems (OSes) and file systems.
What is a perceptron? - A perceptron is a simple model of a biological neuron used in an artificial neural network.
What is a personal area network (PAN)? - A personal area network (PAN) is a small network that interconnects technology devices within a limited range of just a few meters.
What is a PERT chart? And how to use it, with examples - A PERT chart, sometimes called a PERT diagram, is a project management tool used to schedule, organize and coordinate tasks in a project.
What is a potentially unwanted program (PUP)? - A potentially unwanted program (PUP) is a program that may be unwanted, despite the possibility that users consented to download it.
What is a private cloud? - Private cloud is a type of cloud computing that delivers similar advantages to public cloud, including scalability and self-service, but through a proprietary architecture.
What is a programmable automation controller (PAC)? - Programmable automation controller (PAC) is a term that is loosely used to describe any type of automation controller that incorporates higher-level instructions.
What is a proxy server? - A proxy server is an intermediary between a user and the internet.
What is PaaS? Platform as a service definition and guide - Platform as a service (PaaS) is a cloud computing model where a third-party provider delivers hardware and software tools to users over the internet.
What is parallel processing? - Parallel processing is a method in computing of running two or more processors, or CPUs, to handle separate parts of an overall task.
What is parity in computing? - In computers, parity (from the Latin paritas, meaning "equal or equivalent") is a technique that checks whether data has been lost or written over when it is moved from one place in storage to another or when it is transmitted between computers.
What is Pascal case? - Pascal case is a naming convention in which developers start each new word in a variable with an uppercase letter.
What is passive keyless entry (PKE)? - Passive keyless entry (PKE) is an automotive security system that operates automatically when the user is in proximity to the vehicle, unlocking the door on approach or when the door handle is pulled, and locking it when the user walks away or touches the car on exit.
What is patch management? Lifecycle, benefits and best practices - Patch management is the subset of systems management that involves identifying, acquiring, testing and installing patches, or code changes, that are intended to fix bugs, close security holes or add features.
What is pay for performance (P4P)? - Pay for performance (P4P) in healthcare is a payment model where hospitals, physicians and other healthcare workers are given financial incentives for meeting performance objectives.
What is payroll software? - Payroll software automates the process of paying salaried, hourly and contingent employees.
What is PCI DSS (Payment Card Industry Data Security Standard)? - The Payment Card Industry Data Security Standard (PCI DSS) is a widely accepted set of policies and procedures intended to optimize the security of credit, debit and cash card transactions and protect cardholders against misuse of their personal information.
What is PDCA (Plan, Do, Check, Act)? - PDCA (Plan, Do, Check, Act, sometimes seen as Plan, Do, Check, Adjust) is a repetitive four-stage model for continuous improvement in business process management.
What is PHI (protected or personal health information)? - Protected health information (PHI), also referred to as 'personal health information,' is the demographic information, medical histories, test and laboratory results, physical and mental health conditions, insurance information and other data that a healthcare professional collects to identify an individual and determine appropriate care.
What is picture archiving and communication system (PACS)? - Picture archiving and communication system (PACS) is a medical imaging technology used primarily in healthcare organizations to securely store and digitally transmit electronic images and clinically relevant reports.
What is podcasting? - Podcasting is the preparation and distribution of digital audio files to the computers of subscribed users using Really Simple Syndication (RSS) feeds.
What is PowerShell and how to use it: The ultimate tutorial - PowerShell is an object-oriented automation engine and scripting language with an interactive command-line shell that Microsoft developed to help IT professionals configure systems and automate administrative tasks.
What is predictive analytics? An enterprise guide - Predictive analytics is a form of advanced analytics that uses current and historical data to forecast activity, behavior and trends.
What is professional services automation (PSA)? - Professional services automation (PSA) is a type of software application suite that provides a service business with the functionality it needs to manage core business processes.
What is public cloud? Everything you need to know - A public cloud is a third-party managed platform that uses the standard cloud computing model to make resources and services available to remote users around the world.
What is Wi-Fi Piggybacking? - Piggybacking, in the context of Wi-Fi, is the use of a wireless connection to gain access to the internet without proper authority.