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AP CSP Unit 1 Test Questions and answers, rated A+
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AP CSP Unit 1 Test Questions and answers, rated A+ Best describe how computing devices represent information - A computer represents data as bits which is either a 0 or a 1 What is NOT true of how computers represent complex information? - Abstraction helps represent complex information by ...

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  • August 12, 2023
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  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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AP CSP Unit 1 Test Questions and
answers, rated A+

Best describe how computing devices represent information - ✔✔A computer represents data as bits
which is either a 0 or a 1



What is NOT true of how computers represent complex information? - ✔✔Abstraction helps represent
complex information by surfacing complexity that might otherwise be hidden



When visiting a museum Lian takes a photo of a painting with a smartphone which stores the photo as
an image file. Which of the following best describes the differences between the painting itself and the
photo of the painting stored on the smartphone? - ✔✔The photo is a digital representation of the
analog painting



our computer uses 4 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the
SMALLEST number for which an overflow error occur? - ✔✔16 (4 to the second power= 4x4=16)



How do computers represent numbers? - ✔✔With a fixed number of bits some numbers are too large to
represent in a computer which will lead to overflow errors.



Convert the binary (base-2) number 1001 to decimal (base-10). - ✔✔9



Convert the decimal (base-10) number 20 to binary (base-2). - ✔✔10100



Which of the following binary (base-2) numbers is LARGEST?

A. 11000000

B. 01111111

C. 00000001

D. 10111111 - ✔✔A. 11000000

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