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.
Answer:
margins
Explanation:
the definition margins are the edges
Answer:
Excel Help
Explanation:
Press F1 key to open the excel help window
Or you can also click the excel help button to launch the help window.
Type for whatever you are seeking help for and you will notice suggestions as you type something. These suggestions include online and offline results. If there are too many results then try searching offline it will narrow down the results.
After typing the text and hitting enter, the excel help returns several related topics on the searched query. You can browse through these topics and get help from excel.
Answer:
An input device is something you connect to a computer that sends information into the computer. An output device is something you connect to a computer that has information sent to it.
Explanation:
This represents Guy <span>Kawasaki Rule for PowerPoint Presentations. Here is what it stands for:
</span><span>10 slides are the optimal number to use in a presentation.
20 minutes is the longest amount of time that you should speak.
<span>30 point font is the smallest font that you should use on slides.
</span></span>
