Which code segments will move the robot to the gray square?

The code segments that allow the robot to move into a gray square.

Which of the following best describes the result of running the program code? Options: The number 0 is displayed, The number 6 is displayed, The number 10 is displayed, Nothing is displayed; the program results in an infinite loop

Nothing is displayed; the program results in an infinite loop

Which of the following is a true statement about data compression? Data compression is only useful for files being transmitted over the Internet , Regardless of the compression technique used, once a data file is compressed, it cannot be restored to its original state , Sending a compressed version of a file ensures that the contents of the file cannot be intercepted by an unauthorized user , There are trade-offs involved in choosing a compression technique for storing and transmitting data

There are trade-offs involved in choosing a compression technique for storing and transmitting data

A student is recording a song on her computer. When the recording is finished, she saves a copy on her computer. The student notices that the saved copy is of lower sound quality than the original recording. Which of the following could be a possible explanation for the difference in sound quality? The song was saved using fewer bits per second than the original song.

The song was saved using fewer bits per second than the original song.

Which of the following school policies is most likely to have a positive impact on the digital divide? A school allows students to bring a graphing calculator from home to complete in-class mathematics assignments. A school allows students to bring a tablet computer to class every day to participate in graded quizzes. A school provides a laptop or tablet computer to all students enrolled at the school. A school recommends that all students purchase a computer with as much processing speed as possible so that projects run faster.

A school provides a laptop or tablet computer to all students enrolled at the school.

An online store uses 6-bit binary sequences to identify each unique item for sale. The store plans to increase the number of items it sells and is considering using 7-bit binary sequences. Which of the following best describes the result of using 7-bit sequences instead of 6-bit sequences?

2 times as many items can be uniquely identified.

Which of the following is true of how computers represent numbers? Options: With a fixed number of bits some numbers are too large to represent in a computer which will lead to overflow errors., Using a fixed but large number of bits can eliminate the possibility of round off error when representing numbers in binary, Using a fixed but large number of bits, for example 128, eliminates the possibility of overflow errors., With a large but fixed number of bits it is possible to eliminate either round-off errors or overflow errors, but not both.

With a fixed number of bits some numbers are too large to represent in a computer which will lead to overflow errors.

Which of the following is true of intellectual property? Options: Information created on a computer is not owned by anyone since only analog information is protected under copyright law., You do not need to cite work created by someone else if both the original work and your use of it are in digital form., Creative Commons enables content creators to freely distribute their otherwise copyrighted work., Creative Commons has severely hindered broad and open access to digital information.

Creative Commons enables content creators to freely distribute their otherwise copyrighted work.

Which statement best describes logic errors?

An error in a program that causes it to produce incorrect outputs but not a crash.

In which instance would a data abstraction be most helpful? - The program includes individual variables to store the names of each student rather than a single list of students. - A program includes multiple comments that could be combined into a single comment. - A program includes repeated programming statements that could be moved inside a loop. - A program includes repeated code that could be moved inside a function.

The program includes individual variables to store the names of each student rather than a single list of students.

What will be displayed in the console when the following program runs? Options: 0 2 4 6, 0 2 4, 2 4 6, The program will result in an infinite loop

The program will result in an infinite loop

Which of the following best describes how computing devices represent information? A computer represents information as bits which contain 8 bytes. A computer represents data as bits which is either a 0 or a 1 A computer will either represent information as bits or bytes but not both A computer represents data as a byte which is either a 0 or a 1

A computer represents data as bits which is either a 0 or a 1

Which of the following is NOT true of how computers represent complex information? Depending on context the same sequence of bits may represent different types of information, Common abstractions that are represented by computing devices include numbers, characters, and color., Computing devices use patterns of bits to represent complex information, Abstraction helps represent complex information by surfacing complexity that might otherwise be hidden.

Abstraction helps represent complex information by surfacing complexity that might otherwise be hidden

When visiting a museum Sue 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

Which of the following is true of how computers represent numbers? Options: Using a fixed but large number of bits, for example 128, eliminates the possibility of overflow errors. With a large but fixed number of bits it is possible to eliminate either round-off errors or overflow errors, but not both. With a fixed number of bits some numbers are too large to represent in a computer which will lead to overflow errors. Using a fixed but large number of bits can eliminate the possibility of round off error when representing numbers in binary

With a fixed number of bits some numbers are too large to represent in a computer which will lead to overflow errors.

Which of the following is true of lossy and lossless compression algorithms? Lossy compression algorithms are used when perfect reconstruction of the original data is important., Lossless compression algorithms are only used to compress text data., Lossless compression algorithms only allow for an approximate reconstruction of the original data., Lossy compression algorithms are typically better than lossless compression algorithms at reducing the number of bits needed to represent a piece of data.

Lossy compression algorithms are typically better than lossless compression algorithms at reducing the number of bits needed to represent a piece of data.

Jorge is sending a large image file to a friend as part of a shared classroom project. Which of the following is most likely true if Jorge opts to compress the image before sending it?

The image will require fewer bits in order to be represented.

Which of the following is true of intellectual property? Information created on a computer is not owned by anyone since only analog information is protected under copyright law., Creative Commons has severely hindered broad and open access to digital information, You do not need to cite work created by someone else if both the original work and your use of it are in digital form., Creative Commons enables content creators to freely distribute their otherwise copyrighted work.

Creative Commons enables content creators to freely distribute their otherwise copyrighted work.

Lucy is completing a project as part of a science class using materials she found online. Which of the following is MOST LIKELY to lead to legal consequences? Modifying a piece of open source software. Failing to publish her work under a Creative Commons license. Using images posted online by another student without permission or citation. Using open access research for which she does not acquire a license.

Using images posted online by another student without permission or citation.

Ryan is designing an app that needs to quickly send low quality photos between users. Most smartphones take much higher quality photos than Ryan needs for his app. Which answer best describes the type of compression Ryan should choose and why?

Lossy compression since it typically results in smaller data sizes.

Who owns the photo when Lisa takes a picture with her smartphone and posts it online, and Allen finds it and posts a copy with a Creative Commons license?

Lisa owns the photo because she was the original creator and did not license the work.

AP CSP - General Questions MidYear Flashcards

Student preview

159 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Which of the following is a reason to use lossy compression? You want the compressed file to be larger than the original. You want the highest quality audio file possible, with no modifications. You want the highest quality image file possible, with no modifications. You want to save space and are not concerned if the file is the highest quality possible.

Back

You want to save space and are not concerned if the file is the highest quality possible.

2.

FLASHCARD QUESTION

Front

Which of the following is irreversible? lossy compression, lossless compression, abstraction, RLI

Back

lossy compression

3.

FLASHCARD QUESTION

Front

Which unit is the smallest? Megabyte, Kilobyte, Gigabyte, Terabyte

Back

Kilobyte

4.

FLASHCARD QUESTION

Front

Which of the file types is an audiofile type? Options: jpg, mp3, png, csv

Back

mp3

5.

FLASHCARD QUESTION

Front

How many bits are needed to represent 8 colors?

Back

3 bits

6.

FLASHCARD QUESTION

Front

If the mixtape .ZIP file takes up 800 MB and the artwork .ZIP file is 300 MB, what size flash drive do you need in order to transfer the files?

Back

2.0 GB

7.

FLASHCARD QUESTION

Front

Which unit is the largest? Megabyte, Terabyte, Gigabyte, Kilobyte

Back

Terabyte

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