What is the meaning for DC?

Answer DC is Direct Current. Meaning the current is regulated to stay the same instead of AC Alternating Current which oscillates like a sine wave. Your outlet uses AC and usually you have a transformer... Read More »

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What is the meaning of USB?

What is the meaning of wi-fi?

It is wireless internet connectionfor example some hotels have Wi-fi which means if you have a laptop that is wi fi enabled you can access the internet from the hotels internet =)

What is the meaning of ray?

The word ray has a variety of meanings, many of which are utilized in the fields of science--botany, astronomy, physics, optics and mathematics.Definition 1A ray can refer to a narrow beam of light... Read More »

What is the meaning of pc?