Category: Tech Terms Definitions

Definition: Application Performance Engineering Application Performance Engineering (APE) is a discipline within software engineering focused on ensuring applications perform effectively under their expected workload. It involves the proactive analysis, design, and optimization of an application’s performance to meet desired quality standards. This field encompasses both the tools and processes used

Definition: Kubernetes Volume A Kubernetes volume is a storage unit that can be attached to a pod in a Kubernetes cluster, providing a way for containers within the pod to share data and to persist data beyond the lifecycle of individual containers. Unlike temporary container storage that is erased upon

Definition: Dependency Graph A dependency graph is a directed graph that represents the dependencies of several objects towards each other. It is used primarily in computing and mathematics to illustrate the dependencies between various modules, tasks, or events. Each node (vertex) in the graph represents an object, and a directed

Definition: Cryptocurrency Wallet A cryptocurrency wallet is a digital tool that allows users to store, manage, and transact various cryptocurrencies securely. These wallets use cryptographic techniques to provide secure access to digital currencies and are crucial for effectively using cryptocurrency. Introduction to Cryptocurrency Wallets Cryptocurrency wallets do not store physical

Definition: Digital Twins A digital twin is a virtual model designed to accurately reflect a physical object. These digital replicas are used for running simulations, predicting future conditions, and troubleshooting potential problems, all without the risk and expense of testing on actual objects or systems. Digital twins can be created

Definition: Cryptocurrency Cryptocurrency is a type of digital or virtual currency that uses cryptography for security. Unlike traditional currencies issued by governments (fiat currencies), cryptocurrencies operate on decentralized networks based on blockchain technology. A defining feature of cryptocurrencies is that they are generally not issued by any central authority, rendering

Definition: VDSL (Very-High-Bit-Rate Digital Subscriber Line) VDSL (Very-high-bit-rate Digital Subscriber Line) is a type of DSL broadband communications technology used to transmit data over short distances at high speeds over conventional telephone lines. VDSL achieves significantly higher data rates than older DSL technologies like ADSL, offering both upstream and downstream

Definition: Direct Attached Storage (DAS) Direct Attached Storage (DAS) is a digital storage system directly attached to a server or computing device without a network interface, in contrast to network-attached storage (NAS) systems or storage area networks (SAN). DAS can be internal, such as hard drives and solid-state drives inside

Definition: Phase-Shift Keying (PSK) Phase-Shift Keying (PSK) is a digital modulation technique used to transmit data by changing the phase of a reference signal (the carrier wave). In PSK, the phase of the carrier signal is varied in accordance with the digital data signal that is being transmitted. It is

Definition: Exclusive OR (XOR) Exclusive OR (XOR) is a logical operation that outputs true or 1 only when the inputs differ (one is true, the other is false). In binary terms, XOR returns 1 if the number of 1s in the inputs is odd; otherwise, it returns 0. It is

Definition: Digital Certificate A digital certificate is an electronic document used to prove the ownership of a public key. It includes information about the key, the identity of its owner (including name, email, and so forth), and the digital signature of an entity that has verified the certificate’s contents, typically

Definition: Electronic Signature An electronic signature, often known as an e-signature, is a digital form of a handwritten signature that can be used to consent to or approve the contents of a document electronically. It offers a secure and verifiable method for signing documents online, facilitating transactions and agreements in