# How does TV broadcasting work?

**Sommaire de notre article**

### How does TV broadcasting work?

Broadcast It is according to this principle that **broadcast works** of traditional television: A transmitter simultaneously supplies a virtually unlimited number of receivers with the same signal. No return signal flow from different receivers to the transmitter is necessary.

### How to calculate the frequency of a value?

To calculate the **frequency** of a value: Check the correct answer. we divide the total number by the number of this value. we multiply the number of this value by itself. okay. we divide the frequency of this value by the total frequency. b. Mathieu had during this term, on 24 notes, 5 times the note 12.

### How to calculate frequencies?

Calculate frequencies. Frequencies are often given as a percentage: each result is then multiplied by 100. Thus: 0, = 26. 26% of families in the city own 2 motorized vehicles. The sum of the frequencies in percentage is equal to 100.

### What are radio frequencies?

The radio frequencies (of GHz) belong to the public domain of the State. In France, the Post and Electronic Communications Code entrusts frequency management to the National Frequency Agency (ANFr), in consultation with the administrations and authorities allocating radio frequencies.

### How to calculate the frequency of an array?

Frequency of ÷ 250 = 0.60. Frequency of 2: = 0.26. Frequency of 3: = 0.04. The table can be completed with a “Frequency” line: 0.10; 0.60; 0.26; 0.04. 0.10 + 0.60 + 0.26 + 0.04 = 1. The sum of all frequencies is always 1.