Browse Definitions :

Browse Definitions by Alphabet

Q - QUI

  • Q format - Q (number) format is a fixed-point method of coding fractional and whole integers for processing by a computer’s CPU or a digital signal processor (DSP).
  • Q signaling - Q signaling (abbreviated QSIG), a protocol for Integrated Services Digital Network (ISDN) communications based on the Q.
  • Q signaling (QSIG) - Q signaling (abbreviated QSIG), a protocol for Integrated Services Digital Network (ISDN) communications based on the Q.
  • Q.931 - Q.931 (also called Q93 is a signaling protocol for Integrated Services Digital Network (ISDN) communications that is used in voice over IP (VoIP).
  • Q931 - Q.931 (also called Q93 is a signaling protocol for Integrated Services Digital Network (ISDN) communications that is used in voice over IP (VoIP).
  • QA - Quality assurance (QA) is any systematic process of determining whether a product or service meets specified requirements.
  • QA/QC - Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.
  • QAM - QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single channel, thereby doubling the effective bandwidth.
  • QAM (quadrature amplitude modulation) - QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single channel, thereby doubling the effective bandwidth.
  • QBE - Query by Example (QBE) is a method of query creation that allows the user to search for documents based on an example in the form of a selected text string or in the form of a document name or a list of documents.
  • QC - Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.
  • QDOS - QDOS was the forerunner of DOS (Disk Operating System), the first widely-used personal computer operating system.
  • QDOS (86-DOS) - QDOS was the forerunner of DOS (Disk Operating System), the first widely-used personal computer operating system.
  • QFE - Quad FastEthernet (QFE) is a network interface card (NIC) manufactured by Sun Microsystems that is designed to enhance the bandwidth of a Peripheral Component Interconnect (PCI)-based server using Sun Microsystem's Solaris 8 or later operating environment.
  • QFE - Quick Fix Engineering (QFE) is a Microsoft term for the delivery of individual service updates to its operating systems and application programs such as Word.
  • QHD (quad high definition) - QHD (Quad High Definition) is a resolution standard for high-end monitors, televisions and mobile devices.
  • qHD (quarter high definition) - qHD (quarter high definition) is a resolution standard for mobile devices.
  • Qi (Wireless Power Consortium) - Qi (pronounced CHEE) is a manufacturer-agnostic standard for wirelessly charging battery-powered devices.
  • Qik - Qik is an online video streaming service that allows anyone with a strong wireless Internet connection and a video camera-equipped smartphone to broadcast live events.
  • QIX - QIX (NASDAQ Information Exchange protocol) is a proprietary specification intended to streamline automated trading in the financial industry.
  • QIX (NASDAQ Information Exchange protocol) - QIX (NASDAQ Information Exchange protocol) is a proprietary specification intended to streamline automated trading in the financial industry.
  • Qlik - Qlik is a software vendor specializing in data visualization, executive dashboards and self-service business intelligence products.
  • QNAP Systems Inc. (Quality Network Appliance Provider Systems Inc.) - QNAP Systems Inc.
  • QNX - QNX is a mobile operating system that was originally developed for embedded systems.
  • QoE - Quality of Experience (QoE or QoX) is a measure of the overall level of customer satisfaction with a vendor.
  • QoS - Quality of service (QoS) refers to any technology that manages data traffic to reduce packet loss, latency and jitter on the network.
  • QoS (quality of service) - Quality of service (QoS) refers to any technology that manages data traffic to reduce packet loss, latency and jitter on the network.
  • QoX - Quality of Experience (QoE or QoX) is a measure of the overall level of customer satisfaction with a vendor.
  • QPS - Queries-per-second (QPS) (or the query-per-second rate) is a measure of how much traffic a particular query server is handling at a given time.
  • QR code - A QR code (quick response code) is a type of 2D bar code that is used to provide easy access to information through a smartphone.
  • QR code (quick response code) - A QR code (quick response code) is a type of 2D bar code that is used to provide easy access to information through a smartphone.
  • QSA - A Qualified Security Assessor (QSA) is a person who has been certified by the PCI Security Standards Council to audit merchants for Payment Card Industry Data Security Standard (PCI DSS) compliance.
  • QSIG - Q signaling (abbreviated QSIG), a protocol for Integrated Services Digital Network (ISDN) communications based on the Q.
  • quad - A quad (pronounced KWAHD) is a unit in a set of something that comes in four units.
  • Quad FastEthernet - Quad FastEthernet (QFE) is a network interface card (NIC) manufactured by Sun Microsystems that is designed to enhance the bandwidth of a Peripheral Component Interconnect (PCI)-based server using Sun Microsystem's Solaris 8 or later operating environment.
  • Quad FastEthernet (QFE) - Quad FastEthernet (QFE) is a network interface card (NIC) manufactured by Sun Microsystems that is designed to enhance the bandwidth of a Peripheral Component Interconnect (PCI)-based server using Sun Microsystem's Solaris 8 or later operating environment.
  • quad gate - A quad gate is an IC (integrated circuit or chip) containing four logic gates.
  • quad tree - A quad tree is a method of placing and locating files (called records or keys) in a database.
  • quad-core processor - A quad-core processor is a chip with four independent units called cores that read and execute central processing unit (CPU) instructions such as add, move data, and branch.
  • quadbit - A quadbit, sometimes called a nibble, is one of 16 possible four-bit combinations used in some communication signals.
  • quadbit (nibble) - A quadbit, sometimes called a nibble, is one of 16 possible four-bit combinations used in some communication signals.
  • quadrature amplitude modulation - QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single channel, thereby doubling the effective bandwidth.
  • quadruple-play network - A quadruple-play network is one that offers mobility in addition to the voice, data and video provided by a triple play network.
  • Quagga - Quagga is an open source suite of applications for the management of routing protocols.
  • Qualified Security Assessor - A Qualified Security Assessor (QSA) is a person who has been certified by the PCI Security Standards Council to audit merchants for Payment Card Industry Data Security Standard (PCI DSS) compliance.
  • Qualified Security Assessor (QSA) - A Qualified Security Assessor (QSA) is a person who has been certified by the PCI Security Standards Council to audit merchants for Payment Card Industry Data Security Standard (PCI DSS) compliance.
  • quality - In an information technology product or service, quality is sometimes defined as "meeting the requirements of the customer.
  • quality assurance - Quality assurance (QA) is any systematic process of determining whether a product or service meets specified requirements.
  • quality assurance (QA) - Quality assurance (QA) is any systematic process of determining whether a product or service meets specified requirements.
  • quality control - Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.
  • quality control (QC) - Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer.
  • quality function deployment - Quality function deployment (QFD) is the translation of user requirements or requests into designs.
  • quality gate - A quality gate is a milestone in an IT project that requires that predefined criteria be met before the project can proceed to the next phase.
  • Quality of Experience - Quality of Experience (QoE or QoX) is a measure of the overall level of customer satisfaction with a vendor.
  • Quality of Experience (QoE or QoX) - Quality of Experience (QoE or QoX) is a measure of the overall level of customer satisfaction with a vendor.
  • Quality of Service - Quality of service (QoS) refers to any technology that manages data traffic to reduce packet loss, latency and jitter on the network.
  • quant (quantitative analyst) - A quant (quantitative analyst) is a financial services professional whose qualifications also include advanced mathematics and and computer skills.
  • quantum - Quantum is the Latin word for amount and, in modern understanding, means the smallest possible discrete unit of any physical property such as energy or matter.
  • quantum as a service (QaaS) - Quantum as a service (QaaS) is the offering of quantum compute facilities as an on demand service.
  • quantum computer - A quantum computer is a machine, as-yet hypothetical, that performs calculations based on the behavior of particles at the sub-atomic level.
  • quantum computing - Quantum computing is the area of study focused on developing computer technology based on the principles of quantum theory, which explains the nature and behavior of energy and matter on the quantum (atomic and subatomic) level.
  • quantum cryptography - Quantum cryptography uses our current knowledge of physics to develop a cryptosystem that is not able to be defeated - that is, one that is completely secure against being compromised without knowledge of the sender or the receiver of the messages.
  • quantum dot - A quantum dot is a particle of matter so small that the addition or removal of an electron changes its properties in some useful way.
  • Quantum Extended Graphics Array - QXGA (Quantum Extended Graphics Array) is a display mode in which the resolution is 2048 pixels horizontally by 1536 pixels vertically (2048 x 1536).
  • quantum indeterminacy - Schrödinger's cat is a famous hypothetical experiment designed to point out a flaw in the Copenhagen interpretation of superposition as it applies to quantum theory.
  • quantum interference - Quantum interference is one of the most challenging principles of quantum theory.
  • quantum internet - The quantum internet is a theoretical system of interconnected quantum computers that uses quantum signals to send information rather than radio waves.
  • quantum measurement indeterminacy - Schrödinger's cat is a famous hypothetical experiment designed to point out a flaw in the Copenhagen interpretation of superposition as it applies to quantum theory.
  • quantum microphone - A quantum microphone is an extremely device that detects the smallest particles of sound, such as packets of vibrational energy called phonons.
  • quantum mirage - The term quantum mirage refers to a phenomenon that may make it possible to transfer data without conventional electrical wiring.
  • quantum theory - Quantum theory is the theoretical basis of modern physics explaining the nature and behavior of matter and energy on the atomic and subatomic level, sometimes called quantum mechanics or quantum physics.
  • quark - A quark is one of two currently recognized groups of fundamental particles, which are subatomic, indivisible (at least as far as we know today) particles that represent the smallest known units of matter.
  • Quarter Video Graphics Array - QVGA (Quarter Video Graphics Array) is a small-screen display mode in which the resolution is 320 pixels horizontally by 240 pixels vertically (320 x 240).
  • Quarter Video Graphics Array (QVGA) - QVGA (Quarter Video Graphics Array) is a small-screen display mode in which the resolution is 320 pixels horizontally by 240 pixels vertically (320 x 240).
  • qubit - A qubit is a quantum bit, the counterpart in quantum computing to the binary digit or bit of classical computing.
  • queries per second - Queries-per-second (QPS) (or the query-per-second rate) is a measure of how much traffic a particular query server is handling at a given time.
  • queries-per-second - Queries-per-second (QPS) (or the query-per-second rate) is a measure of how much traffic a particular query server is handling at a given time.
  • queries-per-second (QPS) - Queries-per-second (QPS) (or the query-per-second rate) is a measure of how much traffic a particular query server is handling at a given time.
  • query - A query is a question, often expressed in a formal way.
  • Query by Example - Query by Example (QBE) is a method of query creation that allows the user to search for documents based on an example in the form of a selected text string or in the form of a document name or a list of documents.
  • Query by Example (QBE) - Query by Example (QBE) is a method of query creation that allows the user to search for documents based on an example in the form of a selected text string or in the form of a document name or a list of documents.
  • querystring - A querystring is a set of characters input to a computer or Web browser and sent to a query program to recover specific information from a database.
  • Question 1 - Test yourself.
  • Question 10 - Test yourself.
  • Question 2 - Test yourself.
  • Question 3 - Test yourself.
  • Question 4 - Test yourself.
  • Question 5 - Test yourself.
  • Question 6 - Test yourself.
  • Question 7 - Test yourself.
  • Question 8 - Test yourself.
  • Question 9 - Test yourself.
  • queue - In general, a queue is a line of people or things waiting to be handled, usually in sequential order starting at the beginning or top of the line or sequence.
  • queue depth - Queue depth, in storage, is the number of pending input/output (I/O) requests for a volume.
  • queueing theory - In computer science, queueing theory is the study of queues as a technique for managing processes and objects in a computer.
  • Quick Fix Engineering - Quick Fix Engineering (QFE) is a Microsoft term for the delivery of individual service updates to its operating systems and application programs such as Word.
  • Quick Fix Engineering (QFE) - Quick Fix Engineering (QFE) is a Microsoft term for the delivery of individual service updates to its operating systems and application programs such as Word.
  • Quick Place - QuickPlace is Lotus's Web-based shared workspace software for real time collaboration among geographically dispersed participants.
  • quick response code - A QR code (quick response code) is a type of 2D bar code that is used to provide easy access to information through a smartphone.
  • Quick Start Glossary: Big data analytics - Print out our glossary of essential terminology related to big data analytics for a quick reference or, online, access links to full definitions and additional resources.

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