TuteSpark week 3

The Tutespark for week 3 is to find at least 3 (three) examples of digital devices that are not electronic.

digital:

Digital describes electronic technology that generates, stores, and processes data in terms of two states: positive and non-positive. Positive is expressed or represented by the number 1 and non-positive by the number 0. Thus, data transmitted or stored with digital technology is expressed as a string of 0's and 1's. Each of these state digits is referred to as a bit (and a string of bits that a computer can address individually as a group is a byte).

Reference from: http://searchcio-midmarket.techtarget.com/sDefinition/0,,sid183_gci211948,00.html


analogue:

As humans, we perceive the world in analog. Everything we see and hear is a continuous transmission of information to our senses. This continuous stream is what defines analog data. Digital information, on the other hand, estimates analog data using only ones and zeros.

For example, a turntable (or record player) is an analog device, while a CD player is digital. This is because a turntable reads bumps and grooves from a record as a continuous signal, while a CD player only reads a series of ones and zeros.

Reference from: http://www.techterms.com/definition/analog

communication:

Communication is the process of exchanging information usually via a common system of symbols. "Communication" is the academic discipline which studies communication.

Reference from: http://www.wordiq.com/definition/Communication


electronic:

Device or technology associated with or employing low voltage current and solid state integrated circuits or components, usually for transmission and/or processing of analog or digital data.


Reference from: http://www.businessdictionary.com/definition/electronic.html#ixzz0zXooSEKH

Three examples of digital devices that are not electronic:

Type-writer

DNA



Cassette-tape