Class D
Encyclopedia
The term Class D may refer to:
- Class D, a planet classification from the fictional Star Trek universe
- Class D, a modern stellar classification
- Class D (baseball), a defunct class in minor league baseball in North America
- Class-D amplifier or switching amplifierSwitching amplifierA class-D amplifier or switching amplifier is an electronic amplifier where all power devices are operated as binary switches. They are either fully on or fully off. Ideally, zero time is spent transitioning between those two states....
- Class D IP addresses on a Classful networkClassful networkA classful network is a network addressing architecture used in the Internet from 1981 until the introduction of Classless Inter-Domain Routing in 1993. The method divides the address space for Internet Protocol Version 4 into five address classes. Each class, coded in the first four bits of the...
- Class D Airspace classAirspace classThe world's navigable airspace is divided into three-dimensional segments, each of which is assigned to a specific class. Most nations adhere to the classification specified by the International Civil Aviation Organization and described below...
as defined by the ICAO - Class D league, a classification of minor league baseball from 1902 to 1962
- Class D, a type of Driver's license in the United StatesDriver's license in the United StatesIn the United States, nearly all driver's licenses are issued by individual states , rather than the federal government. Drivers are normally required to obtain a license from their state of residence, and all states recognize each other's licenses for temporary visitors subject to normal age...
- Class D, on list of North American broadcast station classes
- Class D, also d-segment, car class of large family carLarge family carA large family car, also known as a D-segment car, is a European automobile classification which is larger than a small family car and smaller than an executive car. Multi-purpose vehicles based on a large family car design are often called large MPVs, while similarly-priced models from luxury car...
s which are larger than a small family car (C-Segment) and smaller than an executive carExecutive carExecutive car is a British term that refers to a car's size and is used to describe an automobile larger than a large family car. In official use, the term is adopted by EuroNCAP, a European organisation founded to test car safety.- History :...
(E-Segment) - Class D fire extinguisher