Convert the binary number 10101 to a decimal number.
21
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15
Which data compression type, lossy or lossless, typically results in more compression and therefore using less bits?
Lossy
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15
In situations where quality or ability to reconstruct the original is maximally important, which compression algorithm should be chosen?
Lossless
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15
A _________ is 8 bits.
byte
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boom
Lose 50 points!
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gift
Win 20 points!
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gift
Win 15 points!
Okay!
baam
Lose 25 points!
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15
Bit is shorthand for __________ ___________ and is either 0 or 1.
binary digit
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15
Keepingonlythepositive numbers from a list, or keeping only students who signed up for band from a record of all the students are examples of __________.
filtering data
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baam
Lose 25 points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
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lifesaver
Give 15 points!
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15
Text is represented digitally using a specific string of bits from the ________ chart.
ASCII
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15
_____________canreducethesize(numberof bits) of transmitted or stored data.
Data compression
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15
True or False: Correlation between variables in data always means a causation between the variables.
False. Correlation does not necessairly mean causation - remember the margarine and maine divorce example.
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15
____________ data compression algorithms can significantlyreducethenumberofbitsstored or transmitted but only allow reconstruction of an approximation of the original data.
Lossy
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15
What would be the outcome of adding 16 plus 18 in a system using only 4 bits.
an overflow error would occur, because 15 is the highest number that can be represented with only 4 bits and 16 + 18 = 34.
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15
What is the smallest piece of information that a computer can store and use for processing?
bit - represented as either a 1 or 0
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15
___________ is the collection of facts and patterns extracted from data.