here is the answer: http://mathforum.org/library/drmath/view/61130.html
Digital Data is data that is stored in binary, and a Digital Device is any device that works with binary data
A digital voice recorder works by capturing analog audio through a microphone and storing it in digital files. Some digital voice recorders are voice operated.
A codec is used to compress and decompress digital video. There are different kinds of codecs available used for different purposes.
A USB thermometer works in much the same way any digital thermometer works by measuring the temperature of the individual via contact with their skin or mouth. The USB thermometer is then able to be plugged into a computer via the USB to record and chart the findings.
Well, honey, a compass can cost anywhere from a couple of bucks to a couple of hundred bucks, depending on the quality and brand. But let me tell you, the actual cost to make one of those little gadgets is probably just a fraction of what they sell it for. Those companies are making a pretty penny off of our need to not get lost in the woods.
The iPhone's digital compass application works just like any magnetic-needle compass. Launch the application by tapping the "Compass" button on the iPhone's.
LCD screen, digital compass, and flashlight.what
To reset a Bell mirror-mounted digital compass, you can usually press and hold a specific button on the device for a few seconds until the display resets. Refer to the user manual of your specific model for detailed instructions on how to reset the digital compass.
magnetic pull which is what the compass works off of.
A person could purchase a digital compass at any electronics store. Amazon sells digital compasses for between twenty and fifty dollars. You could also go to a local BestBuy and pick one up for around fifty dollars.
The La Crosse XG55 Digital Altimeter Compass Watch is water resistant to thirty feet or nine meters.
it works by the north and south pole in the earth in geography
Leslie Lundquist has written: 'Digital Compass'
No compass can be accurate with steel structures in close vicinity but a GPS will do the trick
They don't, they're usually quite crappy and break easily when left too long out in the sun. If you plan on taking a hike with your digital compass watch, (makes sense, huh?) my advice is, DON'T.
the clock is rotating like the sun and that's how a compass works in physical education.
Get rid of the dial. Trust the digital hygrometer. If you have a large humidor get two.