P2 crossword 3.0 / 5 based on 2 ratings ? SciencePhysicsGCSEAll boards Created by: Kat NCreated on: 07-10-14 20:36 10297451368 Across 1. signals are carried through optical fibres by light waves and _____ rays (8) 4. Digital Radio recciver clean up signals to remove _____ (5) 6. digital radio recevivers pick up pulses and _____ them to make a copy of the orginal sound wave (6) 8. Light and infrared carry infomation along _____ fibres (7) 9. the more _____ is stored, the better the quality of an image or sound (10) Down 2. the signal carried by FM waves is called an _____ signal (8) 3. signals are carried through space and the Earth's atmosphere by microwaves and _____ waves (5) 5. Sound waves can be converted into a _____ code made up of two signals (7) 7. A radio _____ decoads a radio waves's pattern of variation to reproduce the original sound (8) 10. Analogue and digital signals pick up random unwanted signals as they travel. this is called _____or noise (12)
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