Unit 1 Assessment Review

What is the definition of a bit?

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What does abstraction (in relation to computing) mean?

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What is the difference between an analog image and a digital representation?

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What causes overflow in computer systems?

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What is the difference between overflow and round-off error?

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Convert the binary number 1011 to base-10 (decimal).

• 13

• 3

• 11

• 22

Convert the base-10 (decimal) number 31 to binary.

• 00111

• 10000

• 10101

• 11111

Reorder the following binary numbers from SMALLEST to LARGEST.

• 0000 1111

• 0101 0010

• 1000 0000

• 1100 1000

Know how many total numbers can be represented with a certain number of bits. (E.g. 5 bits allows for how many decimal numbers to be represented?)

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What is the difference between lossless and lossy compression algorithms?

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