Not exact matches
As they can be designed to open only if more than one key is
used, or with one of a number of keys, they could also be
used as
logic gates in future computers.
The researchers have already
used this idea to build and operate a quantum
logic gate, a building block of a processor.
In 2006, Joanne Macdonald, then at Columbia University, US, and her colleagues created a molecular computer that
uses 32 DNA molecules and 128 DNAzyme -
logic gates to calculate the next move in a game of tic - tac - toe against a human opponent.
Another circuit of 12 DNA - based
logic gates calculates the square root of a four bit binary number
using eight inputs.
The
use of reversible
logic gates and the regularity of the lattice were crucial ingredients in avoiding the phase - transition snag, Mucciolo said.
Next, the researchers
used a circuit design program to arrange the two
logic gates in each of 15 wells of a 384 - well plate.
Endy and his team had their basic biological transistor, and they
used it to implement a variety of Boolean
logic gates, such as AND and OR.
Starting with an ensemble of spin - down nuclei, the researchers
used a specially tuned radio - frequency pulse to make a sort of
logic gate: if the electron's spin is down, the nucleus remains unaffected; if the electron's spin is up, the nuclear spin is flipped up as well.
For example, the group demonstrated the first quantum
logic gate (a CNOT
gate) on individual qubits in 1995
using a single beryllium ion.
A team at the California Institute of Technology, writing in the journal Science, made
use of DNA nanostructures called seesaw
gates to construct
logic circuits analogous to those
used in microprocessors.
Then,
using an exclusive - OR
logic gate and a low - pass filter, the phase delay was subsequently converted into a voltage, which was directly measured.
One need not look to superstars such as Mark Zuckerberg or Bill
Gates to justify reasons for
using code and programming
logic in the classroom.
An introduction to
logic gates which i
used at KS3 and KS4.
This investigation can be
used as a practical introduction to the properties of some
logic gates.
In combination with an external TFT
gate driver, the S1D13541 forms an ideal system, allowing this new display technology from Plastic
Logic to be
used in a broad range of applications, including healthcare and automotive applications, as well as in mobile devices and smart cards.
And in his spare time, he advises engineering students and alumni of Cooper Union, NYU, and NYIT on startups and the general software industry, as well as hacks hardware
using FPGAs and
logic gates.
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Boolean
logic, design of combinational and sequential
logic,
use of programmable
logic, implementation of
logic gates.