Browse Definitions by Alphabet
Q - QWE
- 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).
- QAM (quadrature amplitude modulation) - QAM (quadrature amplitude modulation) is a method of combining two amplitude modulation (AM) signals into a single channel.
- 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.
- QLC NAND - QLC NAND (quad-level cell NAND) is a form of NAND flash memory that can store up to four bits of data per memory cell.
- 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.
- QR code (quick response code) - A QR code (quick response code) is a type of 2D bar code that provides easy access to information through a smartphone camera.
- 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.
- qualitative data - Qualitative data is information that cannot be counted, measured or easily expressed using numbers.
- quality assurance (QA) - Quality assurance (QA) is any systematic process of determining whether a product or service meets specified requirements.
- 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 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 (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 (QoS) - Quality of service (QoS) refers to any technology that manages data traffic to reduce packet loss, latency and jitter on a network.
- quant (quantitative analyst) - A quant (quantitative analyst) is a financial services professional whose qualifications also include advanced mathematics and and computer skills.
- quantum - A quantum (plural: quanta) is the smallest discrete unit of a phenomenon.
- quantum computing - Quantum computing is an area of study focused on the development of computer technologies based on the principles of quantum theory.
- quantum cryptography - Quantum cryptography is a method of encryption that uses the naturally occurring properties of quantum mechanics to secure and transmit data.
- 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 key distribution (QKD) - Quantum key distribution (QKD) is a secure communication method for exchanging encryption keys only known between shared parties.
- quantum supremacy - Quantum supremacy is the experimental demonstration of a quantum computer's dominance and advantage over classic computers by performing calculations that were previously impossible at unmatched speeds.
- quantum theory - Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level.
- qubit - A qubit is a quantum bit, the counterpart in quantum computing to the binary digit or bit of classical computing.
- 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 or a request for information expressed in a formal manner.
- 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.
- queue depth - Queue depth, in storage, is the number of pending input/output (I/O) requests that a storage resource can handle at any one time.
- quiet period - A quiet period is a measure of time during which corporate insiders are restricted from disclosing information relative to the performance or prospective performance of a company before that information is made public.
- Quiz: Mobile Device Security -- Who else can hear me now? - Mobile device security and compliance regulations can be as hard to pin down as a strong connection for your smartphone.
- Qumulo - Qumulo is a Seattle-based storage vendor that specializes in selling its data-aware storage software application called the Qumulo Core.
- QWERTY keyboard - The QWERTY (pronounced KWEHR-tee) keyboard is the standard typewriter and computer keyboard in countries that use a Latin-based alphabet.