Lossy & Lossless Compression

Flashcard
•
Computers
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Refers to the compression when some of the data from the original file is lost
Back
lossy
2.
FLASHCARD QUESTION
Front
Compression is a process used to reduce the number of bits necessary to represent something.
Back
True
3.
FLASHCARD QUESTION
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
4.
FLASHCARD QUESTION
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
5.
FLASHCARD QUESTION
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.
6.
FLASHCARD QUESTION
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.
7.
FLASHCARD QUESTION
Front
What is lossy compression?
Back
Throwing away some information to save space
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