Measurement

/strɪŋ ˈmɛtrɪks/

noun — "quantitative measures of string similarity or difference."

String Metrics are computational methods used to quantify the similarity, difference, or distance between sequences of characters, commonly referred to as strings. They are central in fields such as natural language processing, text mining, computational biology, and information retrieval. String metrics enable algorithms to rank or cluster strings, detect errors, perform fuzzy matching, or compare sequences for alignment purposes.

/oʊm/

noun … “Unit of electrical resistance.”

Ohm is the standard unit used to quantify resistance in an electrical circuit. One ohm (Ω) is defined as the resistance that allows one ampere of current to flow when one volt of voltage is applied across it, according to Ohm’s law (V = I × R).

Key characteristics of Ohm include:

/rɪˈzɪstəns/

noun … “Opposition to the flow of electric current.”

Resistance is a property of a material or component that limits the flow of current when a voltage is applied. It is a fundamental concept in electricity and circuit design, affecting power consumption, heat generation, and signal behavior in electronic systems.

Key characteristics of Resistance include:

/ˈɛnərdʒi/

noun … “Capacity to do work.”

Energy is a fundamental physical quantity that represents the ability of a system to perform work, produce heat, or cause physical change. In electrical systems, energy is the total work done by electric charges moving through a potential difference over time, typically measured in joules (J). Energy can exist in multiple forms, including kinetic, potential, thermal, chemical, and electrical.

Key characteristics of Energy include:

/ˈpaʊər/

noun … “Rate of doing work or transferring energy.”

Power in electrical systems is the rate at which energy is transferred or converted by an electrical circuit. It is determined by the product of voltage and current, representing how much work is being done per unit time. Power is a critical measure for sizing circuits, selecting components, and understanding energy consumption.

Key characteristics of Power include:

/ˈkʌrənt/

noun … “Flow of electric charge.”

Current is the rate at which electric charge flows through a conductor or circuit, typically carried by electrons in metals or ions in electrolytes. It is one of the fundamental concepts in electricity, working alongside voltage and resistance to describe how electrical energy moves and performs work in circuits.

Key characteristics of Current include:

/ˈvoʊltɪdʒ/

noun … “Electrical potential difference between two points.”

Voltage is the measure of electric potential energy per unit charge between two points in a circuit. It represents the force that drives electric charges to move through a conductor, creating current. Voltage is fundamental to understanding and designing electrical and electronic systems.

Key characteristics of Voltage include:

/ɡeɪn/

noun … “Measure of how effectively an antenna radiates or receives energy.”

/ˈweɪvˌlɛŋkθ/

noun … “Distance over which a wave repeats its shape.”

/ˈproʊfaɪlɪŋ/

noun … “Measuring code to find performance bottlenecks.”

Profiling is the process of analyzing a program’s execution to collect data about its runtime behavior, resource usage, and performance characteristics. It is used to identify bottlenecks, inefficient algorithms, memory leaks, or excessive I/O operations. Profiling can be applied to CPU-bound, memory-bound, or I/O-bound code and is essential for optimization in software development.