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Which type of camera sends signals directly to the production control room?

_ cameras have no recording device. They send signals directly to the production control room.

A temporary control room, usually in a van or trailer, houses the TV monitors, switcher, audio, and other production equipment. ... Several cameras may send their signals directly to videotape recorders, making it possible for the director to call for an instant replay. ... In its infancy television was generally thought of as a medium for the presentation of existing arts rather than as a new art form in and of itself.

i would think b and c