Analog vs Digital

by Caitlyn Shea

Analog signals

Analog Signals

A signal is something that represents information (It can be a comment, sound, or series of numbers and letters). An analog signal is a signal with properties like frequency and amplitude-they can change continuously depending on the changes in the original format. It is a continuous signal that represents physical measurements and has no breaks or interruptions. Examples of analog signals are a telephone, film camera, and record. A telephone works by an electric current converted into a sound wave by the receiver. The sound is heard almost the same as the sound generated on the other line. A film camera works by a plastic film and light, the photograph that comes out is known as an analogy of a scene. Lastly, a record is an analog signal carved into a grooved dish. All of these are analog because the waves are not changed into numbers- that would be digital.

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Digital Signals

A digital signal is a series of electric pulses that represent the digits of two numbers. They are non-continuous with some breaks and they are sent to a computer then translated. Examples of digital signals are a CD, digital recording, and cellphones. A CD is a sound recorded by digital signals and it stores the signals in a thin layer of aluminum. A digital recording is sampled many times per second, the numbers that are generated are equal to the amplitude of the sound. A cellphone transfers and receives calls by changing the sound of a persons voice into numbers and then sending them in the form of radio waves. All of these are examples of digital signals because they all are being changed from the original format.

What's the Diffirence Between the Two Signals?

The diffirences between analog and digital signals are if they are continuous, how it's represented, and how it's used. All analog signals are infinite/ continuous meaning it's not discrete data. All digital signals are discrete and have a finite range of values. Digital signals are changed into digits and analog signals are kept in waveforms. Analog signals are used in original form and digital is stored and changed.

What's the Diffirence Between the two Technology's?

Analog technology is translated into electric pulses of varying amplitude and it records waveforms as they are. Digital technology is translated into a binary format (2 numbers) where each bit is representative of 2 distinct amplitudes. It changes waveforms into a limited set of numbers. Diffirences between the two are the way it's translated, represented, and changed.

I Would Prefer Digital

I would prefer digital because it's easier to use, there are less errors, and customers like it. Digital is easier to use than analog because it's not as exact; although, that could be a negative thing it also means that it's easier to work with. Think of it this way- if you have the number 43.98876 representing analog and the number 44 representing digital you would choose digital to work with because it's a nice round number. Another reason I would prefer digital is because it doesn't have as much errors as analog. This is a reason that could be explained by its security- the more secure it is the harder it is to damage the data.Analog is not as secure and for example, an example of analog is a record player and every time a record player is used the recordings degrade. Lastly, I would choose digital because people/ costomers obviously like it since they buy Nintendo products. Although it is more expensive than analog you will get your money's worth because we know people will buy it. Another thing about digital is its quality. If you compare a record player (analog) to a CD (digital) you can obviously tell that the CD has better quality, and that's how the game will be-consumers will be able to tell an obvious diffirence that will make your product stand out if you use digital.