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Unit: Digital information

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Possible mastery points

Bits and bytes

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Practice

Bits (binary digits)Get 3 of 4 questions to level up!
BytesGet 3 of 4 questions to level up!

Binary numbers

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Practice

Binary numbersGet 3 of 4 questions to level up!

Hexadecimal numbers

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Hexadecimal numbers
(Opens a modal)

Practice

Hexadecimal numbersGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Limitations of storing numbers

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Number limits, overflow, and roundoff
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Practice

Number limits, overflow, and roundoffGet 3 of 4 questions to level up!

Storing text in binary

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Storing text in binary
(Opens a modal)

Practice

Storing text in binaryGet 3 of 4 questions to level up!

Converting analog data to binary

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Converting analog data to binary
(Opens a modal)

Practice

Converting analog data to binaryGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 240 Mastery points

Data compression

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Practice

Lossless file compressionGet 3 of 4 questions to level up!
Lossy vs. lossless compressionGet 3 of 4 questions to level up!

Digital copyright and licenses

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Practice

Digital copyright and licensesGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 240 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1000 Mastery points!

About this unit

This unit explains how computers store information digitally, as binary data. Learn about the binary number system, the conversion of analog to digital data, and data compression strategies.