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A pseudo-noise code (PN code) or pseudo-random-noise code (PRN code) is one that has a spectrum similar to a random sequence of bits but is deterministically generated. The most commonly used sequences in direct-sequence spread spectrum systems are maximal length sequences , Gold codes , Kasami codes , and Barker codes .
JumpStart Adventures 3rd Grade: Mystery Mountain is a personal computer game in Knowledge Adventure's JumpStart series of educational software. As the title suggests, the game is intended to teach a third grade curriculum. This is the only version of this game created and, unusually for Knowledge Adventure, was still being sold over fifteen ...
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The Online Books Page was the second substantial effort to catalog online texts, but the first to do so with the rigors required by library science. It first appeared on the Web in the summer of 1993. The Internet Public Library came shortly thereafter. The web site was named one of the best free reference web sites in 2003 by the Machine ...
1 is read off as "one 1" or 11. 11 is read off as "two 1s" or 21. 21 is read off as "one 2, one 1" or 1211. 1211 is read off as "one 1, one 2, two 1s" or 111221. 111221 is read off as "three 1s, two 2s, one 1" or 312211. The look-and-say sequence was analyzed by John Conway [1] after he was introduced to it by one of his students at a party. [2 ...
Janet and John is a series of early reading books for children, originally published in the UK by James Nisbet and Co in four volumes in 1949–50, and one of the first to make use of the "look and say" approach. Further volumes appeared later, and the series became a sales success in the 1950s and 60s, both in the UK and in New Zealand.
STAR Reading, STAR Early Literacy and STAR Math are standardized, computer-adaptive assessments created by Renaissance Learning, Inc., for use in K–12 education. Each is a " Tier 2 " assessment of a skill (reading practice, math practice, and early literacy, respectively that can be used any number of times due to item-bank technology.
Many of the company's quizzes are available in an optional recorded voice format for primary-level book in which the quiz questions and answers are read to the student taking the quiz. These quizzes are designed to help emerge English and Spanish readers to take the quizzes without additional assistance.