Type in the correct answere from list given below
1.The 2 main areas that computers are used in business are in advertising .
2. is the buffer surrounds the cladding its main function is to strengthen the cable.
3. is the outer covering of the cables
4. Radio waves are directional.
5. has very narrow centre core and therefore the light only take one path through it.
6. fibre has a thicker core than the single mode
7. signals directly from the transmitter station to the receiving station
8.A satellite dish somewhere in the orbit is called a
9. refers to the voltage level in a circuit which represents the flow of data.
10. refers to the voltage level in a circuit which represents the flow of data.
