“If an ɑ-machine prints two kinds of symbols, of which the first kind (called figures) consists entirely of 0 and 1 (the others being called symbols of the second kind), then the machine will be called a computing machine.”
On Computable Numbers, with an Application to the Entscheidungsproblem (1936)
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Alan Turing 33
British mathematician, logician, cryptanalyst, and computer… 1912–1954Related quotes
“I am not some kind of computer. Only machines have glib answers for everything.”
Source: A Swiftly Tilting Planet

“The "scanned symbol" is the only one of which the machine is... "directly aware."”
However, by altering its m-configuration the machine can effectively remember some of the symbols which it has "seen" (scanned) previously.
On Computable Numbers, with an Application to the Entscheidungsproblem (1936)

Jerry A. Fodor, and Zenon W. Pylyshyn. "Connectionism and cognitive architecture: A critical analysis." Cognition 28.1-2 (1988): 3-71.
Jerry A. Fodor, and Zenon W. Pylyshyn. "Connectionism and cognitive architecture: A critical analysis." Cognition 28.1-2 (1988): 3-71.
The Desiring Machine
Anti-Oedipus Capitalism and Schizophrenia (1977)
Pask (1972) in: Mary Catherine Bateson Our Own Metaphor: A Personal Account of a Conference on the Effects of Conscious Purpose on Human Adaptation. New York : Alfred A Knopf. Quotes in: Usman Haque (2007) " The Architectural Relevance of Gordon Pask http://www.haque.co.uk/papers/architectural_relevance_of_gordon_pask.pdf" in: Architectural Design. Vol 77, Issue 4, p. 54.