An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current signal.
MediaSphere is a media hub dedicated exclusively to international media services. It specializes in international marketing support, global and local media strategy solutions, international media planning and buying. Established fact that a reader will be distracted by the twitter account link - 5 day ago.
Media theory refers to the complex of social-political-philosophical principles which organize ideas about the relationship between media and society. Within this is a type of theory called `normative theory', which is concerned with what the media ought to be doing in society rather than what they actually do. In general, the dominant ideas about the obligations of mass media will be consistent with other values and arrangements in a given society.