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2. Low-density parity-check code - Wikipedia

   en.wikipedia.org/wiki/Low-density_parity-check_code

   Step 1: H. Step 2: Row 1 is added to row 3. Step 3: Row 2 and 3 are swapped. Step 4: Row 1 is added to row 3. From this, the generator matrix G can be obtained as [|] (noting that in the special case of this being a binary code =), or specifically:

3. Elektronika MK-52 - Wikipedia

   en.wikipedia.org/wiki/Elektronika_MK-52

   Its system clock speed is approximately 75 kHz (derived from a К745ГФ3-2 four-phase clock generator chip [5]), and it weighs approximately 400 grams. The MK-52 is the first Soviet micro-calculator with non-volatile memory; this is provided by a КР1601РР1 EEPROM , [ 5 ] with a capacity of 4 kilobits and capable of 10,000 rewrites ...

4. Induction generator - Wikipedia

   en.wikipedia.org/wiki/Induction_generator

   C = 1 / (2*π*f*Xc) = 1 / (2 * 3.141 * 60 * 127) = 21 μF. If the load also absorbs reactive power, capacitor bank must be increased in size to compensate. Prime mover speed should be used to generate frequency of 60 Hz: Typically, slip should be similar to full-load value when machine is running as motor, but negative (generator operation):

5. Boost converter - Wikipedia

   en.wikipedia.org/wiki/Boost_converter

   A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input to its output . It is a class of switched-mode power supply (SMPS) containing at least two semiconductors, a diode and a transistor , and at least one energy storage element: a capacitor , inductor , or the two in ...

6. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   The first American-made pocket-sized calculator, the Bowmar 901B (popularly termed The Bowmar Brain), measuring 5.2 by 3.0 by 1.5 inches (132 mm × 76 mm × 38 mm), came out in the Autumn of 1971, with four functions and an eight-digit red LED display, for US$240, while in August 1972 the four-function Sinclair Executive became the first ...

7. Linear congruential generator - Wikipedia

   en.wikipedia.org/wiki/Linear_congruential_generator

   The second row is the same generator with a seed of 3, which produces a cycle of length 2. Using a = 4 and c = 1 (bottom row) gives a cycle length of 9 with any seed in [0, 8]. A linear congruential generator ( LCG ) is an algorithm that yields a sequence of pseudo-randomized numbers calculated with a discontinuous piecewise linear equation .

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. NEMA size - Wikipedia

   en.wikipedia.org/wiki/NEMA_size

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