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File Compression

Authored by Susana Villalon

Computers

9th - 12th Grade

Used 253+ times

File Compression
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______ is reencoding a file in a way that uses fewer bits than the original, but keeps most or all of the information intact.

Encoding

Compression

Expansion

Summarizing

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__________ compression means that the file is identical, bit for bit, to the original uncompressed file.

Lossy

Lossless

Compressed

File

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_________ compression is another technique that changes the original file a little bit.

Lossy

Lossless

Compressed

File

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lossy compression is commonly used for image, video, and audio files because human sight and hearing are imperfect and cannot detect small losses in the data.

TRUE

FALSE

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which kind of file would be hurt most by a lossy compression algorithm?

A text document

An audio file containing music

An audio file containing speech

A digital photograph

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Compressed files consume less storage space and transmit _________ than uncompressed files

much more slowly

much more quickly

larger

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