Lossy & Lossless Compression

Front

Refers to the compression when some of the data from the original file is lost

Back

lossy

Front

Compression is a process used to reduce the number of bits necessary to represent something.

Back

True

Front

Computers store information in bits, or binary digits. Which of the following could be represented in bits? Numbers, Text, Images, Sounds, All of the above

Back

All of the above

Front

Which form of compression would you use to save data when you transmit text messages and you don't want to lose information?

Back

Lossless Compression

Front

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?

Back

Lossy compression since it typically results in smaller data sizes.

Front

What is the purpose of compressing digital information?

Back

To make it easier to store, to make it easier to send over the internet, and to reduce the amount of space it takes up.

Front

What is lossy compression?

Back

Throwing away some information to save space

Front

What is lossless compression?

Back

Compressing data without losing any details

Front

What is the goal of data compression algorithms?

Back

To represent information in the smallest format possible

Front

Which compression technique guarantees no loss of data?

Back

Lossless compression