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The Atkinson–Shiffrin model (also known as the multi-store model or modal model) is a model of memory proposed in 1968 by Richard Atkinson and Richard Shiffrin. [1] The model asserts that human memory has three separate components: a sensory register, where sensory information enters memory,
On the instruments used in Transistor, Korb stated that "there is a lot of heavily delayed electric guitar and sampled drums, but I also tried to include a number of 'old-world' instruments: accordion, harp, mandolin, etc.". [33] Korb worked with Barrett once again on Transistor, as she voiced Red, the game's protagonist. [34]
DRAM chips during the early 1970s had three-transistor cells, before single-transistor cells became standard since the mid-1970s. [17] [15] CMOS memory was commercialized by RCA, which launched a 288-bit CMOS SRAM memory chip in 1968. [23] CMOS memory was initially slower than NMOS memory, which was more widely used by computers in the 1970s. [24]
The memtransistor (a blend word from Memory Transfer Resistor) is an experimental multi-terminal passive electronic component that might be used in the construction of artificial neural networks. [1] It is a combination of the memristor and transistor technology. [ 2 ]
The Oscillator Based Associative Recall (OSCAR) Model was proposed by Browne, Preece and Hulme in 2000 [7] The OSCAR Model is another cue driven model of memory. In this model, the cues work as a pointer to a memory’s position in the mind. Memories themselves are stored as context vectors on what Brown calls the oscillator part of the theory.
In a semiconductor memory chip, each bit of binary data is stored in a tiny circuit called a memory cell consisting of one to several transistors. The memory cells are laid out in rectangular arrays on the surface of the chip. The 1-bit memory cells are grouped in small units called words which are
The HAM model was later expanded into the first version of the ACT theory. [37] This was the first time the procedural memory was added to the original declarative memory system, introducing a computational dichotomy that was later proved to hold in human brain. [38] The theory was then further extended into the ACT* model of human cognition. [39]
A compact model was developed, [3] and these organic synapstors were used to demonstrate an associative memory, which can be trained to present a pavlovian response. [4] A recent report showed that these organic synapse-transistors (synapstor) are working at 1 volt and with a plasticity typical response time in the range 100-200 ms. [5]