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What are 2 ways that I can read time?
digital and analog
What is an analog clock?
An analog clock is a clock with numbers in a circle and a minute and hour hand to tell the time.
What does the sampling theorem tell us concerning the rate or sampling required for an analog signal?
You must sample at 2 x the rate of the analog signal (2 x the analog signal frequency).
What is analog meter?
An analog meter is a device which represents the value of a measurement by a point or similar indicator. A digital meter indicates the measure by actual displaying the number representing the value. For example, an analog thermometer shows a temperature of 25 degrees by pointing halfway between the 20 and 30 while a digital one displays the digits of the number 25.
How did the analog clock get its name?
Originally all clocks were analog clocks that showed the passage of time by the change of something measurable. When digital clocks which displayed only numbers to show the time came into use, the phrase analog clock was used to refer to older types of clocks.
