An AC adapter, AC/DC adapter, or AC/DC converter is a type of external power supply, often enclosed in a case similar to an AC plug.Other common names include plug pack, plug-in adapter, adapter block, domestic mains adapter, line power adapter, wall wart, power brick, and power adapter.Adapters for battery-powered equipment may be described as chargers or rechargers (see also battery charger).ther common names include plug pack, plug-in adapter, adapter block, domestic mains adapter, line power adapter, wall wart, power brick, and power adapter. Adapters for battery-powered equipment may be described as chargers or rechargers (see also battery charger).
How are a PhD and Professional Doctorate Different? In a PhD program, you'll focus your research on contributing new knowledge and theory to the body of knowledge in your field. In a professional doctorate program, you'll focus your research on the practical application of knowledge and theory that already exists within your field.
A doctorate (from Latin docere, to teach) or doctor's degree (from Latin doctor, teacher) or doctoral degree is an academic degree (Ph.D. or Ed.D.) awarded by universities that, in most countries, qualifies the holder to teach at the university level in the degree's field, or to work in a specific profession.he first professional doctorate to be offered in the United States was the M.D. at the College of Philadelphia (now the University of Pennsylvania) in 1765, with the first doctoral degrees conferred in 1771., nearly one hundred years before the first Ph.D. was awarded in the U.S. in 1861.