Answer:
The answer is "black and white".
Explanation:
During this period of live TV output in the United States, from the late 1940s to late 1950, the era between the 1940s and 1950s is often regarded as the first Golden Age of Television.
It is the monochrome broadcast tv signal transmission and reception system. At the end of the 1940s, in 50 major cities, there were 98 commercial tv channels. TV sets costs also reduced by 1949.
I'm going to ask this are you asking us how long we see ourselves saving files or what?
C) Authenticity
Authenticity refers to the ability to identify the person or entity whom you are dealing on the internet.
Answer:
Is longer and repeats key points.
Explanation:
When you start a live broadcast, viewers are received every second, and those who join the broadcast long after it starts may have no idea what you're talking about if you don't repeat the key points every so often.
The duration of the broadcast is also important, the longer it lasts, the more likely it is to receive more viewers and you can include more content to keep them entertained.
