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Computer engineers typically describe a modern computer's operation in terms of classical electrodynamics.Within these "classical" computers, some components (such as semiconductors and random number generators) may rely on quantum behavior, but these components are not isolated from their environment, so any quantum information quickly decoheres.
Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. [2]: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
Atomic units are chosen to reflect the properties of electrons in atoms, which is particularly clear in the classical Bohr model of the hydrogen atom for the bound electron in its ground state: Mass = 1 a.u. of mass; Charge = −1 a.u. of charge; Orbital radius = 1 a.u. of length; Orbital velocity = 1 a.u. of velocity [44]: 597
Atomicity does not behave completely orthogonally with regard to the other ACID properties of transactions. For example, isolation relies on atomicity to roll back the enclosing transaction in the event of an isolation violation such as a deadlock; consistency also relies on atomicity to roll back the enclosing transaction in the event of a consistency violation by an illegal transaction.
Intel Atom is Intel's line of low-power, low-cost and low-performance x86 and x86-64 microprocessors. Atom, with codenames of Silverthorne and Diamondville, was first announced on March 2, 2008. For nettop and netbook Atom microprocessors after Diamondville, the memory and graphics controller are moved from the northbridge to the CPU.
For classical reversible computation, a constant number O(1) of ancilla bits is necessary and sufficient for universal computation. [2] While additional ancilla bits aren't strictly required, they can provide extra working space, leading to simpler circuit constructions using fewer logic gates.
Atom is a system on a chip (SoC) platform designed for smartphones and tablet computers, launched by Intel in 2012. [1] It is a continuation of the partnership announced by Intel and Google on September 13, 2011 to provide support for the Android operating system on Intel x86 processors. [ 2 ]
Intel Atom N2800. Intel Atom is a direct successor of the Intel A100 and A110 low-power processors (code-named Stealey), which were built on a 90 nm process, had 512 kB L2 cache and ran at 600 MHz/800 MHz with 3 W TDP (Thermal Design Power).