O'Reilly logo

Essentials of Discrete Mathematics, 2nd Edition by Hunter

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 6Thinking ThroughApplications

In the 1970s, music came on vinyl. The best way to get high-fidelity recordings of your favorite tunes was to invest in a good turntable and buy the LP—the “long playing” (33⅓-rpm) record. The grooves in an LP are a copy of the vibrations of the recorded sound; the turntable needle vibrates as it runs over these rising and falling grooves, and these vibrations are amplified and transmitted to the speakers, whose diaphragms vibrate to produce the desired sound waves. This method of recording is called analog because the form of the recording medium (the LP) is analogous to the form of the data (the sound waves). The grooves in an LP are continuous and relatively smooth; their shape matches the changes in ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required