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2. Frequency domain - Wikipedia

   en.wikipedia.org/wiki/Frequency_domain

   One of the main reasons for using a frequency-domain representation of a problem is to simplify the mathematical analysis. For mathematical systems governed by linear differential equations, a very important class of systems with many real-world applications, converting the description of the system from the time domain to a frequency domain converts the differential equations to algebraic ...

3. Packet switching - Wikipedia

   en.wikipedia.org/wiki/Packet_switching

   In telecommunications, packet switching is a method of grouping data into short messages in fixed format, i.e. packets, that are transmitted over a digital network.Packets are made of a header and a payload.

4. Digital-to-analog converter - Wikipedia

   en.wikipedia.org/wiki/Digital-to-analog_converter

   8-channel Cirrus Logic CS4382 digital-to-analog converter as used in a sound card.. In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal.

5. images.huffingtonpost.com

   images.huffingtonpost.com/2012-05-14-PA1.pdf

   %PDF-1.4 %âãÏÓ 6 0 obj > endobj xref 6 120 0000000016 00000 n 0000003048 00000 n 0000003161 00000 n 0000003893 00000 n 0000004342 00000 n 0000004557 00000 n 0000004733 00000 n 0000005165 00000 n 0000005587 00000 n 0000005635 00000 n 0000006853 00000 n 0000007332 00000 n 0000008190 00000 n 0000008584 00000 n 0000009570 00000 n 0000010489 00000 n 0000011402 00000 n 0000011640 00000 n ...

6. DC-to-DC converter - Wikipedia

   en.wikipedia.org/wiki/DC-to-DC_converter

   DC-to-DC converters are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily. Such electronic devices often contain several sub-circuits, each with its own voltage level requirement different from that supplied by the battery or an external supply (sometimes higher or lower than the supply voltage).

7. Brownian motion - Wikipedia

   en.wikipedia.org/wiki/Brownian_motion

   2-dimensional random walk of a silver adatom on an Ag(111) surface [1] Simulation of the Brownian motion of a large particle, analogous to a dust particle, that collides with a large set of smaller particles, analogous to molecules of a gas, which move with different velocities in different random directions.