AP CS Principles Unit 4 Vocab

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analog data

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8 Terms

1

analog data

values that change smoothly, rather than in discrete intervals, over time

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2

sampling technique

a technique used to measure the values of the analog signal at regular intervals called samples

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3

data compression

a method designed to reduce the size (number of bits) of transmitted or stored data

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4

lossless data compression

compression that has occurred that can reduce the number of bits stored or transmitted while guaranteeing complete reconstruction of the original data

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5

lossy data compression

compression that has occurred that can significantly reduce the number of bits stored or transmitted but only allow reconstruction of an approximation of the original data

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6

Creative Commons

a public copyright license that enables the free distribution of an otherwise copyrighted work

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7

open source

programs that are made freely available and may be redistributed and modified

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8

open access

online research output free of any and all restrictions on access and free of many restrictions on use, such as copyright or license restrictions

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