Computing and IT terminology · MLC-0101

Computing and IT terms: P (121)

• P2PA distributed application architecture that partitions tasks or workloads among peers, which are equally...
• PaaSA cloud computing service model that provides a platform allowing customers to develop, run, and manage...
• PacketA small block of data transmitted over a network, forming the fundamental unit of communication in...
• Page faultAn event that occurs when a program attempts to access a memory page that is not currently loaded into the...
• Page layoutThe organization of text, images, and other objects on a page for print or digital media. This process...
• Page orientationThe direction in which a document or image is displayed or printed on a page. The two primary settings are...
• PageviewAn instance of a web page being loaded or reloaded in a user's browser. This metric is used in web analytics...
• PANA computer network for interconnecting electronic devices within an individual's personal workspace. A...
• Parallel portAn interface on a computer that sends multiple bits of data simultaneously over separate wires. This...
• ParameterA special kind of variable used in a function or method definition to receive input values. It acts as a...
• ParityThe property of an integer being either even or odd. In data transmission and storage, it is used as a simple...
• Parity bitAn extra bit added to a binary data stream to detect errors during data transmission or storage. It is set to...
• Parked domainA registered domain name that is not associated with any unique online service such as a website or email...
• ParseTo analyze a string of symbols, such as text or code, according to the rules of a formal grammar. This...
• PartitionA logical division of a physical storage device, such as a hard disk drive, into independent sections. Each...
• PasscodeA sequence of characters, often numeric, used to authenticate a user's identity or grant access to a system...
• Passive-matrixA display technology where individual pixels are addressed by row and column lines, with each pixel retaining...
• PasskeyA cryptographic credential that allows users to sign in to websites and applications without needing a...
• PassphraseA sequence of words or other characters used for authenticating a user to a system, similar to a password but...
• PassthroughA mechanism that allows a device or system to directly access hardware resources that are normally managed by...
• PasswordA secret string of characters used for user authentication to verify identity and grant access to a computer...
• Password managerA software application designed to store and manage user credentials for multiple websites and services in an...
• PasteTo insert data that has been previously copied or cut from another location into a new position within a...
• PatchA piece of software code designed to be inserted into an existing program to update, fix, or improve it...
• PathA string of characters that uniquely identifies the location of a file or directory within a file system. It...
• PayloadThe actual data being transmitted over a network or stored in a data packet, excluding any header or metadata...
• PBXA private telephone network used within a company or organization. It allows internal calls between users on...
• PCA personal computer, a general-purpose computer whose size, capabilities, and original sale price make it...
• PCAPA file format used to store network packet data captured by a packet sniffer or network analyzer. It contains...
• PCBA printed circuit board, which mechanically supports and electrically connects electronic components using...
• PCIA local computer bus for attaching hardware devices in a computer. It allows for the connection of expansion...
• PCI ExpressA high-speed serial computer expansion bus standard designed to replace the older PCI and PCI-X buses. It...
• PCI-XAn extension of the Peripheral Component Interconnect bus standard that increased speed and performance for...
• PCMCIAAn organization that developed standards for expansion cards for laptop computers, originally known as PC...
• PDAA personal digital assistant, a mobile device that functions as a personal information manager. PDAs were...
• PDUProtocol Data Unit, a single unit of information transmitted between peer entities of a computer network. It...
• PebibyteA unit of digital information storage, abbreviated as PiB, representing 2 to the power of 50 bytes. This is...
• PeoplewareThe human element in computing, focusing on aspects such as developer productivity, team dynamics, and...
• PeripheralAn auxiliary device connected to a computer to expand its capabilities, but not part of the core computing...
• PerlA high-level, interpreted, general-purpose programming language created by Larry Wall in 1987. It is...
• PermalinkA uniform resource locator (URL) that remains unchanged over time, pointing to a specific web page, blog...
• PermissionsA set of rules assigned to a user, group, or process that dictates the actions they can perform on a system...
• Personal URLA unique web address assigned to an individual, often used for marketing or networking purposes to direct...
• PetabyteA unit of digital information storage equal to one quadrillion (10^15) bytes, represented by the symbol PB...
• PetaflopsA measure of a computer's processing speed, representing one quadrillion (10^15) floating-point operations...
• PharmingA cyberattack technique that redirects users from legitimate websites to fraudulent ones without their...
• PhishingA fraudulent attempt to obtain sensitive information such as usernames, passwords, and credit card details by...
• PHPA widely-used open source general-purpose scripting language especially suited for web development and can be...
• PhreakingThe act of exploring, experimenting with, or exploiting telecommunication systems, particularly telephone...
• PiconetA small, ad-hoc network formed by Bluetooth-enabled devices, where one device acts as the master and up to...
• PIMA category of software that functions as an electronic organizer to record, track, and manage information for...
• PingA computer network administration software utility used to test the reachability of a host on an Internet...
• PinterestA social media service designed to enable users to discover and save visual content, known as 'pins,' to...
• PipelineA technique in computer architecture that allows multiple instructions to be processed concurrently in...
• PiracyThe unauthorized copying, distribution, or use of software in violation of its copyright and licensing...
• PixelThe smallest individual unit of a digital image or display, typically represented as a tiny square dot. Each...
• PlagiarismThe act of presenting someone else's work or ideas as one's own without proper attribution. This includes...
• Plain textUnformatted computer text that consists only of character data, without any special formatting such as...
• PlatformThe underlying hardware architecture and software framework on which applications can be run. A platform...
• PlotterA computer output device that prints vector graphics by drawing continuous lines with a pen, rather than...
• Plug and playA capability of computer systems that allows a new hardware device to be connected and configured...
• Plug-inA software component that adds specific features or functionality to an existing computer program without...
• PMUAn integrated circuit responsible for managing the power supply within an electronic device, especially...
• PNGA bitmapped image format that supports lossless data compression. It was created as an improved, non-patented...
• PodcastA digital audio or video file series distributed over the internet for playback on personal media players and...
• PoEA technology that allows network cables to carry electrical power along with data to powered devices. This...
• PONA fiber-optic telecommunications technology that delivers broadband network access to end-users. It uses a...
• POP3A standard application-layer protocol for retrieving email from a remote server over a TCP/IP connection. It...
• Pop-upA small, secondary graphical user interface window that appears automatically on a computer screen, often...
• PortA communication endpoint in a computer network, identified by a number, that allows different applications or...
• Portable softwareA class of computer program that is designed to run on a compatible operating system without being installed...
• PortalA web interface that acts as a single point of access to information and services aggregated from different...
• POSTThe Power-On Self-Test, a diagnostic program that runs automatically when a computer is powered on or reset...
• PostScriptA page description language and programming language for creating vector graphics and typesetting. Developed...
• POTSAn acronym for Plain Old Telephone Service, referring to the traditional analog voice transmission system...
• Power cycleTo completely remove and then restore electrical power to a device or system. This action forces the device...
• Power supplyAn electrical device that converts alternating current (AC) from a wall outlet into direct current (DC) at...
• Power userAn individual who uses advanced features of computer hardware or software that are not accessed by the...
• Powerline networkA type of network that uses a building's existing electrical wiring to transmit data. Adapters plug into wall...
• PowerPointA presentation program developed by Microsoft, used to create and display sequences of slides containing...
• PowerShellA cross-platform command-line shell and scripting language developed by Microsoft. It provides a powerful...
• PPCAn internet advertising model where advertisers pay a fee each time one of their ads is clicked. It is a...
• PPGAA type of integrated circuit packaging used for microprocessors, where the chip is housed in a plastic body...
• PPIAn acronym for Pixels Per Inch, a measurement of the pixel density of an electronic image device, such as a...
• PPMA unit of measurement for the speed of a printer, indicating the number of pages it can produce in one...
• PPPThe Point-to-Point Protocol, a data link layer communication protocol used to establish a direct connection...
• PPPoEA network protocol, Point-to-Point Protocol over Ethernet, for encapsulating PPP frames inside Ethernet...
• PPSAn abbreviation for "packets per second," a unit of measurement used to quantify the rate at which a network...
• PPTPA method for implementing virtual private networks (VPNs) by creating a tunnel between two network points. It...
• PRAMA small amount of non-volatile memory in Apple Macintosh computers that stores system settings and...
• PrebindingA process that resolves the memory addresses of external library functions before an application is launched...
• PrefetchTo load data or instructions into a cache or main memory before they are explicitly requested by the central...
• PretestTo conduct a preliminary test of a system, component, or process before its main or official deployment. This...
• Primary keyA column or set of columns in a relational database table that provides a unique identifier for each row. The...
• Primary memoryThe main memory of a computer system that the central processing unit (CPU) can directly access. It holds...
• PrimitiveA basic, fundamental building block or operation within a programming language or system that cannot be...
• Print serverA device or software application that manages print jobs and allows multiple computers on a network to share...
• PrinterAn output device that produces a hard copy of electronic data, typically by transferring digital information...
• Private IP addressAn Internet Protocol address reserved for use within a private network, such as a home or office local area...
• ProcessAn instance of a computer program that is being executed by a computer's central processing unit. It includes...
• ProcessingThe transformation of data by a computer system through the execution of a sequence of instructions. This...
• ProcessorThe electronic circuitry within a computer that executes instructions from a computer program by performing...
• Processor coreAn individual processing unit within a central processing unit (CPU) that can independently execute...
• ProgramA sequence of instructions written in a programming language that a computer can execute to perform a...
• Programming languageA formal system of notation for writing instructions that can be executed by a computer. It consists of a...
• Progressive scanA method of displaying or transmitting moving images where every line for each frame is rendered sequentially...
• Progressive web appA type of web application that offers capabilities similar to native mobile applications, delivered through...
• ProjectorAn output device that projects an image or video onto a large surface, such as a screen or wall. It takes a...
• PROMA type of non-volatile memory chip that can be written to only once after manufacturing. The data is...
• Proprietary softwareSoftware that is owned by an individual or a company, with restrictions on its use, modification, and...
• ProRAWAn image format developed by Apple that combines the information of a standard RAW format with Apple's...
• ProtocolA set of formal rules and conventions governing how data is formatted, transmitted, and received between...
• Proxy serverA server that acts as an intermediary for requests from clients seeking resources from other servers. It can...
• PS/2A standard for connecting keyboards and mice to a computer, introduced by IBM with its Personal System/2...
• Public domainCreative works, including software, that are not protected by intellectual property laws such as copyright...
• PUK codeA Personal Unblocking Key (PUK) code is an eight-digit code associated with a Subscriber Identity Module...
• PUMAn acronym for Potentially Unwanted Modification, referring to changes made to a computer system's settings...
• PUPA Potentially Unwanted Program (PUP), a class of software that, while not strictly malicious, exhibits...
• PushA communication model where a server initiates the transfer of information to a client without an explicit...
• PXEPreboot eXecution Environment, a standardized client-server interface that allows a computer to boot from a...
• PythonA high-level, interpreted programming language known for its clear syntax and readability, which emphasizes...

121 of 1,553 terms in Computing and IT terminology (MLC-0101). Request the full dataset.