1a : the
wireless transmission and reception
of electric impulses or signals by means of electromagnetic waves. b : the use of these waves for the wireless transmission of electric impulses into which sound is converted. 2 : a radio message. 3 : a radio receiving set. 4a : a radio transmitting station.
What is a radio simple definition?
1a : the
wireless transmission and reception
of electric impulses or signals by means of electromagnetic waves. b : the use of these waves for the wireless transmission of electric impulses into which sound is converted. 2 : a radio message. 3 : a radio receiving set. 4a : a radio transmitting station.
What's the full meaning of radio?
The full form of Radio is
Orginated from wireless telegraphy
. It's used on Technology ,Instruments & Devices in Worldwide. Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light.
What is this word radio?
noun, plural ra·di·os.
wireless telegraphy or telephony
: speeches broadcast by radio. an apparatus for receiving or transmitting radio broadcasts. a message transmitted by radio. … to transmit a message, music, etc., by radio.
What is radio communication definition?
1.
is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light
. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space.
Why is it called a radio?
Originally, scientists used
the prefix radio to indicate radiant or radiation
—hence the designation of “radio-activity” for the alpha, beta, gamma and x-rays emitted by decaying atoms. Between 1886 and 1888, Hertz demonstrated how electromagnetic, or radio, waves radiated across the “ether” at the speed of light.
What is an example of radio?
An example of radio is how people listen to music in their cars on their way to work. Radio means to communicate over a device that uses electromagnetic waves. An example of radio is
to broadcast an important community announcement over the local music station
.
What is the importance of radio?
In addition to serving as
the lifeblood of emergency communication
, they also provide jobs and play a day-to-day role in the lives their communities. There is every reason to support radio stations' continued existence rather than put them in jeopardy, especially in the wake of a recession and natural disasters.
What is the use of radio?
The prime purpose of radio is
to convey information from one place to another through the intervening media
(i.e., air, space, nonconducting materials) without wires. Besides being used for transmitting sound and television signals, radio is used for the transmission of data in coded form.
What are the types of radio?
- AM Radio. AM radio stands for amplitude modulation, and it's one of the oldest types of wireless broadcasting. …
- FM Radio. Many people who listen to the radio in their car listen to FM radio. …
- Shortwave Radio. …
- Satellite Radio. …
- Ham Radio. …
- Walkie-Talkie.
What are the characteristics of radio?
- Radio makes pictures: While listening to the commentary of a cricket match or republic day period in radio, you visualize all those scenes in your mind. …
- The speed of the radio: Radio is the fastest medium. …
- Simplicity of radio: It needs very simple equipment and technology.
What is the other name of radio?
| hi-fi radio set | transistor transmission | wireless Marconi | radiotelegraph radiotelegraphy | radiotelephone receiver |
|---|
What words can I spell with radio?
- arid.
- orad.
- raid.
- road.
What are the basic principles of radio?
- Frequency. A Frequency forms the base of any radio communication. …
- Channels. A Channel is a preprogrammed channel on a radio device that allows for rapid switching to preprogrammed networks. …
- Network. …
- Radio. …
- Transmission. …
- Message. …
- Call Sign.
Why do we need radio communication?
Radio
can mitigate loss of life
, facilitating immediate requests of medical response, alerting soldiers to danger, and implementing rescue operations. Likewise, radios aid in strategy and communication within units. … When things don't go as planned, communication is vital.
How does a radio work?
Radio
works by transmitting and receiving electromagnetic waves
. The radio signal is an electronic current moving back and forth very quickly. A transmitter radiates this field outward via an antenna; a receiver then picks up the field and translates it to the sounds heard through the radio.
