Digital Data

Luna wants to send a large video file to Arjun and Nora. Why should she compress the digital information before sending it?

• To make it easier to store

• To make it easier to send over the internet

• To reduce the amount of space it takes up

• All of the above

Scarlett is working on a project that requires her to compress images. She decides to use lossy compression. What does this mean?

• She will compress the images without losing any details

• She will throw away some information to save space

• She will compress the images using patterns

• None of the above

Charlotte is working on a project and needs to reduce the file size of an image. Which of the following is an example of lossy compression that she can use?

• Compressing the image to a lower resolution

• Compressing a song to a smaller file size

• Compressing a video to a smaller file size

• Compressing text using patterns

Avery is working on a project that requires her to compress a large file without losing any details. What type of compression is she using?

• Lossless compression

• Lossy compression

• Pattern-based compression

• None of the above

Aria, William, and Liam are working on a project to compress text. Which of the following patterns in their text can be compressed?

• Repeating words or phrases

• Repeating letters in a word

• Repeating sentences in a paragraph

• Repeating paragraphs in a document

Zoe is working on a project where she needs to send a large amount of data over the internet. Oliver suggests she should use data compression. What is the goal of Zoe using data compression in this scenario?

• To represent the information she is sending in the smallest format possible

• To eliminate the need for decompression once the data reaches its destination

• To increase the size of the original data she is sending

• To store the information she is sending in a lossy format

Elijah, Grace, and Oliver are working on a project to compress a large dataset. Elijah suggests finding patterns in the data for compression. What would be the advantage of Elijah's suggestion?

• It reduces the size of the compressed data

• It makes the compressed data easier to decompress

• It allows for lossy compression

• It eliminates the need for a dictionary

Evelyn, a budding author, is considering publishing her first e-book on 'Healthy Cooking Recipes' using a Creative Commons license. In which of the following situations would it be better for Evelyn to use a Creative Commons license instead of a traditional copyright?

1. I. Evelyn wants to make the e-book available as a free download for her friends Oliver and Elijah.

2. II. Evelyn wants to prevent people from sharing copies of the e-book on peer-to-peer networks.

3. III. Evelyn wants to allow people permission to use and modify the e-book for their personal use.

• I only

• II only

• I and III

• II and III

Ava reads reviews of Taylor Swift's new album and then downloads the album from the Web site of a licensed online music seller. Which of the following is LEAST likely to be a consequence of this action?

• Advertisements for Taylor Swift's other albums will be displayed when Ava visits a different Web site.

• Album reviews from other people who live nearby will be displayed to Ava.

• Similar artists will be recommended to Ava based on her download selection.

• Ava will be in violation of the Digital Millennium Copyright Act (DMCA).

Scarlett, Lily, and Arjun are forming a band and want to create a song using audio samples. Which of the following actions will minimize the risk of a copyright violation when creating sample-based music for their band?

• Using samples found on popular music-streaming sites

• Using samples published with a no-rights-reserved Creative Commons license

• Using samples from nondigital sound sources (vinyl records, tapes, etc.)

• Using samples found on peer-to-peer networks