AP Computer Science Principles Unit 3 Review

Front

According to ASCII character encoding, which letter is represented by the binary (base 2) number 1010100?

Back

T

Front

Which decimal (base-10) value is equivalent to the binary (base-2) value 101001?

Back

41

Front

What value does the above code segment display?

Back

53

Front

Which dichotomous questions will successfully narrow down the entire state space of “flipping a coin and rolling a normal six-sided die” to just 1 outcome? Options: Did the coin land on tails? Is the value on the die less than 3? Is the value on the die even? Is the value on the die 4, 5 or 6?, Is the value on the die even? Did the coin land on heads? When the value on the die is multiplied by 4, is it even? Does the value on the die equal 1, 2 or 3?, Did the coin land on heads? Is the value on the die odd? Is the value on the die more than 3? Does the value on the die equal 1, 2, 5 or 6?, None of these will narrow down the state space to just one outcome.

Back

Did the coin land on heads? Is the value on the die odd? Is the value on the die more than 3? Does the value on the die equal 1, 2, 5 or 6?

Front

Which of the following would be a legal use of digital media? You download an app on your smartphone that allows you to ‘strip’ the audio from any YouTube music video and permanently keep that audio in your music collection., You make an MP3 copy of a song because the CD you bought expressly permits you to do so, and then you put your MP3 copy on the Internet, using a file-sharing network, so that millions of other people can download it., You have a computer with a CD burner, which you use to burn copies of music you have downloaded onto writable CDs for all of your friends., You download a song from iTunes and sync it to the cloud so that it is accessible on all of your devices.

Back

You download a song from iTunes and sync it to the cloud so that it is accessible on all of your devices.

Front

If the user types in True True False True as their answers for four questions on a quiz, what should their overall score be?

Back

75%

Front

Which ASCII character is represented by the binary (base 2) number 1000001?

Back

A

Front

Sort the following numbers, that are written in different bases, in numerical order from smallest to largest: 2548, AE16, 101011012

Back