Lossy and Lossless Compression

What is the purpose of compressing digital information?

• 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

What is lossy compression?

• Compressing data without losing any details

• Throwing away some information to save space

• Compressing data using patterns

• None of the above

What is an example of lossy compression?

• Compressing an 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

What is lossless compression?

• Compressing data without losing any details

• Throwing away some information to save space

• Compressing data using patterns

• None of the above

How does the text compression widget work?

• It substitutes repeated words with symbols

• It finds patterns in the text to compress

• It compresses the text using lossy compression

• It reduces the size of the dictionary

What is the purpose of the dictionary in text compression?

• To store the compressed text

• To store the patterns found in the text

• To store the original text

• To store the symbols used for compression

What is the goal of data compression algorithms?

• To represent information in the smallest format possible

• To reduce the size of the dictionary

• To increase the amount of space needed for storage

• To remove all patterns from the data

What is a common use of data compression?

• Storing pictures, songs, and movies

• Sending data over the internet

• Compressing web pages

• All of the above

What is the benefit of compressing data?

• Reduced storage space

• Faster transmission over the internet

• Easier sharing of files

• All of the above

What is the main purpose of text compression?

• To reduce the size of the dictionary

• To make text easier to read

• To save space when storing or sending text

• To remove all patterns from the text