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Educational technology is an inclusive term for both the material tools, processes, and the theoretical foundations for supporting learning and teaching.Educational technology is not restricted to high technology but is anything that enhances classroom learning in the utilization of blended, face to face, or online learning.
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude of a signal applied to its input terminals, producing a proportionally greater amplitude signal at its output.
Chronology. The study of Indonesian etymology and loan words reflects its historical and social context. Examples include the early Sanskrit borrowings, probably during the Srivijaya period, the borrowings from Arabic and Persian, especially during the time of the establishment of Islam, and words borrowed from Dutch during the colonial period.