Compression Flashcards

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1
Q

Data Compression

A

Make file size smaller

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2
Q

Uses of compressing data files;

A

Take up less storage
Streaming + downloading files from Internet is quicker (take up less bandwidth)
Email Services have restrictions on file size

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3
Q

Name two types of Compression

A

Lossy

Lossless

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4
Q

What is lossy compression?

A

Permanently removes data from the file -> limits the number of bits the file needs

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5
Q

What is lossless compression?

A

Makes the file smaller -> temporarily removes data and restores it when the file is opened

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6
Q

Lossy file types

A

MP3 (audio)

JPEG (image)

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7
Q

Lossless file types

A

PNG (image)

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