Some refer to computers as "machines", but is this correct? A machine is a mechanical device like a "washing machine" or an "adding machine", right?
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Are computers machines?
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definition argument....go!
or
http://www.google.com/search?hl=en&...&oi=glossary_definition&ct=title&ved=0CAYQkAE
or
http://www.google.com/search?hl=en&...&oi=glossary_definition&ct=title&ved=0CAYQkAE
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It is all a matter of definition. A modern washing machine is as much of a mechanical device as it is an electronic device.
The mechanical machines have been around for far longer than the electronic ones and so when we think of a "machine", we think of gears, pulleys, wheels, combustion...and what have you. It is only our mental definition of what a machine is that need updating.
So yes, the computers are nothing more, and nothing less, than machines.
The mechanical machines have been around for far longer than the electronic ones and so when we think of a "machine", we think of gears, pulleys, wheels, combustion...and what have you. It is only our mental definition of what a machine is that need updating.
So yes, the computers are nothing more, and nothing less, than machines.
The original computers looked a lot more like machines than those of today. Their gears and pulleys have transformed from physical devices to nearly all electronic devices, but some traditional machines have followed similar paths also with their reduction in moving parts.
All depends on the line you want to draw the line since computers use energy to transform data ... instead of using energy to perform physical work, store energy, or transform energy/work into different forms.
All depends on the line you want to draw the line since computers use energy to transform data ... instead of using energy to perform physical work, store energy, or transform energy/work into different forms.
According to some definitions, yes.
Personally, I draw the line at automation. Electronic devices that embody automation in some form are machines. Electronic devices that don't embody automation are not. Even that's not a perfectly clear line, though.
A radio receiver that automatically tunes different frequencies, depending on its location, say, I would call automated. Or one that turns itself on at a given time (e.g. clock radio).
However, a radio receiver that uses a microcontroller for sensing input keys and driving its display, I would not call automated, hence not a machine, even though it might have more computational power at its disposal than a clock radio.
Also, the term "machine" has a historical element. Finite State Machines (or Finite State Automata) are a class of computational devices. Another term is Turing Machine. You can look those up on Wikipedia for more info.
My radio is most certainly a machine too.
it looks like a pokemon ball that needs a hug.