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2. Sampling (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(signal_processing)

   In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or space; this definition differs from the term's usage in statistics, which refers to a set of such values.

3. Form 4473 - Wikipedia

   en.wikipedia.org/wiki/Form_4473

   Form 4473. A Firearms Transaction Record, or ATF Form 4473, is a seven-page form prescribed by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) required to be completed when a person proposes to purchase a firearm from a Federal Firearms License (FFL) holder, such as a gun dealer. [1]

4. Product sample - Wikipedia

   en.wikipedia.org/wiki/Product_sample

   A free sample or "freebie" is a portion of food or other product (for example beauty products) given to consumers in shopping malls, supermarkets, retail stores, or through other channels (such as via the Internet). [1] Sometimes samples of non-perishable items are included in direct marketing mailings. The purpose of a free sample is to ...

5. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

6. Zero-order hold - Wikipedia

   en.wikipedia.org/wiki/Zero-order_hold

   Zero-order hold. The zero-order hold ( ZOH) is a mathematical model of the practical signal reconstruction done by a conventional digital-to-analog converter (DAC). [ 1] That is, it describes the effect of converting a discrete-time signal to a continuous-time signal by holding each sample value for one sample interval.

7. Simple random sample - Wikipedia

   en.wikipedia.org/wiki/Simple_random_sample

   In statistics, a simple random sample (or SRS) is a subset of individuals (a sample) chosen from a larger set (a population) in which a subset of individuals are chosen randomly, all with the same probability. It is a process of selecting a sample in a random way. In SRS, each subset of k individuals has the same probability of being chosen for ...