Exam 7: Representing Information Digitally

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A coding scheme that uses 8-bit symbols has ________ possible combinations .

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256

________ refers to whether a number is even or odd .

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B

The PandA unit is known as a bit .

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True

Using even parity, a normal byte, such as 1010 0011, would

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________ is information that describes the properties of other information .

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A(n) ________ sequence is an ordering for a set of symbols used to sort them, such as alphabetical ordering .

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________ is a way to represent Unicode using variable-length codes .

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The 7-bit ASCII codes are part of UTF-8 .

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The byte is the standard unit for computer memory .

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Which of the following places information in order by using non-digit symbols?

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Four bits is known as a(n) ________ .

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The Hawaiian alphabet has 18 symbols . How many bits are needed to represent just these symbols?

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The original version of ASCII used

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Although ASCII and its variations are widely used, ________ is a more complete representation . It uses up to four bytes to encode about 100,000 symbols .

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A key property of the Presence and Absence (PandA) representation is that it is discrete . Either a phenomenon is present or it is not; either the logic is true or false .

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A bit is larger than a byte .

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Extended ASCII is a 9-bit code .

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________ is the property of binary numbers in which the number of 1-bits is even .

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The tag characters included with the content characters of the digitized Oxford English Dictionary increase the size of the file compared with plain text .

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The PandA system

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