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Computing fundamentals

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- probability - Probability is a branch of mathematics that deals with ...
- problem program - Now seldom used, the term problem program is us...
- problems - Here are:Three rules-of-thumb for dealing with Internet probl...
- product - In information technology, a product is something (for example,...
- program - In computing, a program is a specific set of ordered operations...
- Programmed Input/Output - Programmed Input/Output (PIO) i...
- project management - Project management is a methodical approa...
- project plan - Project planning is a discipline for stating how to c...
- project planning - Project planning is a discipline for stating ...
- PROM - Programmable read-only memory (PROM) is read-only memory (ROM) that c...
- prop head - A propeller head (also spelled propellor head, and sometime...
- propagation delay - Propagation delay, symbolized tpd, is the t...
- propeller head - A propeller head (also spelled propellor head, an...
- propeller head (or propellor head, prop head, p...
- propellor head - A propeller head (also spelled propellor head, an...
- proper subset symbol - The proper subset symbol indicates a ...
- prophead - A propeller head (also spelled propellor head, and sometimes ...
- proportion - In general, a ratio is a way of concisely showing the rel...
- proportionality - In mathematics, proportionality indicates that ...
- protocol - In information technology, a protocol (from the Greek protoco...
- prototype - In software development, a prototype is a rudimentary worki...
- PS1 - Playstation is a video game console developed by Sony.
- PS3 - Playstation is a video game console developed by Sony.
- pseudo random number generator - A pseudo-random n...
- pseudo-random number generator - A pseudo-random n...
- pseudo-random number generator (PRNG) - A p...
- public domain software - Programs that are uncopyrighted b...
- public sector - The public sector is that portion of society contro...
- public switched telephone network - PSTN (publi...
- pulse amplitude modulation - Pulse amplitude modulatio...
- pulse amplitude modulation (PAM) - Pulse amplitu...
- QPS - Queries-per-second (QPS) (or the query-per-second rate) is a measure of...
- quality - In an information technology product or service, quality is som...
- quantum - Quantum is the Latin word for amount and, in modern understandi...
- quantum computer - A quantum computer is a machine, as-yet hypot...
- quantum computing - Quantum computing is the area of study focu...
- quantum indeterminacy - Schrodinger's cat is a famous illus...
- quantum measurement indeterminacy - Schrodinger...
- quantum theory - Quantum theory is the theoretical basis of modern...
- quark - A quark is one of two currently recognized groups of fundamental pa...
- qubit - A qubit is a quantum bit, the counterpart in quantum computing to t...
- queries per second - Queries-per-second (QPS) (or the query-pe...
- queries-per-second - Queries-per-second (QPS) (or the query-pe...
- queries-per-second (QPS) - Queries-per-second (QPS) (or ...
- queue - In general, a queue is a line of people or things waiting to be han...
- queueing theory - In computer science, queueing theory is the stu...
- quiet zone - In barcode technology, a quiet zone is the blank margin o...
- quintessence - Dark energy, also called quintessence, is a mysteriou...
- Quiz: Believe it or Not: Do you speak Geek?
- Quiz: Computer Nostalgia - A quiz about computer history...
- Quiz: Computer Nostalgia 2.0 - A computer history qu...
- Quiz: Short & Sweet! - Test yourself. A WhatIs.com tech voca...
- Quiz: Who Done IT? A Murder Mystery - How t...
- Quizzes - Test yourself. A WhatIs.com tech vocabulary quiz about backup t...
- rad/s - The radian per second (symbolized rad/s or rad/sec) is the Standard...
- rad/sec - The radian per second (symbolized rad/s or rad/sec) is the Stan...
- radian - The radian is the Standard International (SI) unit of plane angul...
- radian per second - The radian per second (symbolized rad/s or ...
- radian per second (rad/s or rad/sec) - The r...
- radian per second squared - The radian per second squar...
- random access memory digital-to-analog converter
- random number - Random numbers are numbers that occur in a sequence...
- random numbers - Random numbers are numbers that occur in a sequen...
- range (statistical) - The terms mean, median, mode, and range...
- ratio - In general, a ratio is a way of concisely showing the relationship ...
- rational number - A rational number is a number determined by the...
- raw data - Raw data (sometimes called source data or atomic data) is dat...
- raw data (source data or atomic data) - Raw...
- real number - A real number is any element of the set R, which is the...
- real time - Real time is a level of computer responsiveness that a user...
- real world time - Wall time, also called real-world time or wall-...
- real-time - Real time is a level of computer responsiveness that a user...
- real-world time - Wall time, also called real-world time or wall-...
- Rear Admiral Grace Murray Hopper - Grace Murray ...
- reboot - To reboot is to restart a computer and reload the operating system.
- reboot (warm boot, cold boot) - To reboot is to res...
- rectangular coordinates - Cartesian coordinates, also cal...
- recursive acronym - An acronym (pronounced AK-ruh-nihm, from Gr...
- reduced instruction set computer - RISC (reduced...
- refresh - In a computer display, to refresh is to redraw the image inform...
- REJ - NAK is an abbreviation for negative acknowledgment or not acknowledged.
- reliability - Reliability is an attribute of any computer-related com...
- reload - In computers, to reload is to start a program over again, usually...
- Remote Network Monitoring - RMON (Remote Network Monito...
- remote-control software - Remote-control software is prog...
- replicator - A replicator is an object or organism that can make copie...
- request for quotation - A request for quotation (RFQ) is a ...
- request for quotation (RFQ) - A request for quotation...
- requirements creep - Feature creep (sometimes known as require...
- Reseau Numerique a Integration de Services
- reseller - In information technology, a reseller, also sometimes known a...
- response time - According to the IBM Dictionary of Computing (which...
- restore - In data management, restore is a process that involves copying ...
- return merchandise authorization - An RMA (retur...
- return merchandise authorization (RMA)
- return on investment - For a given use of money in an enterp...
- reverse engineering - Reverse engineering is taking apart an ...
- RFQ - A request for quotation (RFQ) is a document that an organization submit...
- RISC - RISC (reduced instruction set computer) is a microprocessor that is d...
- RISC (reduced instruction set computer)
- Riven - Riven is the sequel to Myst, the best-selling puzzle-and-exploratio...
- RMA - An RMA (return merchandise authorization) is a numbered authorization p...
- Robokoneko - The Robokoneko was a proposed robot kitten (robot + Japan...
- Robokoneko (robot kitten) - The Robokoneko was a propos...
- robot - A robot is a machine designed to execute one or more tasks repeated...
- robot (insect robot, autonomous robot)
- robot kitten - The Robokoneko was a proposed robot kitten (robot + J...
- robotics - Robotics is a branch of engineering that involves the concept...
- rogue - In general, a rogue is someone who strays from the accepted path, i...
- ROI - For a given use of money in an enterprise, the ROI (return on investmen...
- ROI (return on investment) - For a given use of money ...
- ROM - ROM is "built-in" computer memory containing data that normally can onl...
- ROM emulation - ROM emulation is the process of copying data from a...
- run book - In a computer system or network, a run book is a written set ...
- runbook - In a computer system or network, a run book is a written set of...
- runt - In networks, a runt is a packet that is too small.
- s - The second (abbreviation,s or sec) is the Standard International (SI) unit ...
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Security
IT Channel
Financial and HR Applications
Windows Server
Data Center
Consumerization
CIO
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Security

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- computer forensics (cyber forensics)
  
  Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a court of law.
- multifactor authentication (MFA)
  
  Multifactor authentication (MFA) is a security system in which more than one form of authentication is implemented to verify the legitimacy of a transaction... (Continued)
- security information and event management (SIEM)
  
  Security information and event management (SIEM) is an approach to security management that seeks to provide a holistic view of organization’s information technology (IT) security.
IT Channel

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- Apple Authorized Service Provider (Apple ASP)
  
  An Apple Authorized Service Provider (Apple ASP) is an individual or organization that can legally service Apple products although their warranties are held by other entities. Service by anyone other than an authorized service provider (ASP) will render a product's warranty void.
- authorized service provider (ASP)
  
  An authorized service provider (ASP) is an individual or an organization that is permitted to service products that are covered by warranties held by another entity. Service conducted by anyone other than an authorized service provider will generally render a warranty void.
- hosted services
  
  Hosted services are outsourced information technology (IT) systems and functions. A hosted service provider owns and oversees infrastructure, software and administrative tasks and makes the system available to clients, usually over the Internet.
Financial and HR Applications

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- Automatic Data Processing Inc. (ADP)
  
  Automatic Data Processing Inc. (ADP) is a global business outsourcing services provider headquartered in Roseland, N.J.
- Kronos Inc.
  
  Kronos Inc. is a provider of workforce management software and associated services headquartered in Chelmsford, Mass.
- BPaaS (Business Process as a Service)
  
  Business Process as a Service (BPaaS) is a form of business process outsourcing (BPO) that employs a cloud computing service model.
Windows Server

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- Microsoft FIM (Microsoft Forefront Identity Manager)
  
  Microsoft Forefront Identity Manager (FIM) is a self-service identity management software suite.
- Microsoft Software Assurance (SA)
  
  Microsoft Assurance Software is a program that was introduced in 2002 to help users with the maintenance of Microsoft Windows, Microsoft Office and applications for the server and desktop.
- DCPromo (Domain Controller Promoter)
  
  DCPromo (Domain Controller Promoter) is a tool in Active Directory that installs and removes Active Directory Domain Services and promotes domain controllers.
Data Center

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- Opscode Chef
  
  Chef is an open-source systems management and cloud infrastructure automation framework created by Opscode. Devops can use Chef to deploy and manage servers and applications in-house and in the cloud.
- Zabbix
  
  Zabbix is an open-source tool designed to monitor networks, servers, appliances and other hardware through a Linux-based server, which communicates to the native agents that are available for many operating systems, including Linux, UNIX and Windows.
- bare-metal provisioning
  
  Bare-metal provisioning is the process of installing an operating system (OS) or Type 1 hypervisor directly on a computer's hardware.
Consumerization

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- SoMoClo (social, mobile and cloud)
  
  SoMoClo (social, mobile and cloud) is the convergence of collaborative, on-the-go technologies that allow users to access data and applications from anywhere at any time.
- SoLoMo (social, local and mobile)
  
  SoLoMo (social, local and mobile) is a term representing the convergence of collaborative, location-based and on-the-go technologies, primarily used for marketing and discovery purposes.
- Samsung Galaxy Note (Samsung GN)
  
  Samsung Galaxy Note is a large Android smartphone with a touchscreen and stylus that is manufactured by Samsung Electronics.
CIO

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- Vine (Vine app)
  
  Vine is a free mobile application that enables users to record and share an unlimited number of short, looping video clips with a maximum length of six seconds.
- Google Wallet
  
  Google Wallet is a mobile payment system developed by Google that allows smartphone users to store debit and credit card information for online and in-store purchases.
- sunk cost (SC)
  
  A sunk cost is money that has already been spent and cannot be recovered. Logic dictates that because sunk costs will not change -- no matter what actions are taken -- they should not play a role in decision-making. Emotionally, however, the more someone invests time, effort and money on something, the harder it becomes to leave it and move on.
Storage

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- I/O contention (input/output contention)
  
  I/O contention (input/output contention), occurs when virtual machines compete for I/O resources because there is a limited storage bandwidth.
- erasure coding
  
  Erasure coding (EC) is a method of data protection in which data is broken into fragments, expanded and encoded with redundant data pieces, and stored across a set of different locations, such as disks, storage nodes or geographic locations.
- pNFS (Parallel NFS)
  
  The Parallel Network File System (pNFS) is part of the NFS v4.1 protocol that allows compute clients to access storage devices directly and in parallel.

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