Compression Techniques Quiz

Quiz
•
Computers
•
10th Grade
•
Medium

M Ellis
Used 36+ times
FREE Resource
37 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is lossy compression?
A type of compression that does not lose any data.
A type of compression that results in a loss of data.
A type of compression that increases the size of data.
A type of compression that only affects video files.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a file type that uses lossy compression?
PNG
ZIP
MP3
TXT
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is lossless compression?
A type of compression that results in a loss of data.
A type of compression that only affects audio files.
A type of compression that does not lose any data.
A type of compression that increases the size of data.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Run length encoding?
A type of lossy compression.
A method for finding patterns in text.
A common type of lossless compression.
A technique for increasing file size.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does Run length encoding work?
By finding 'runs' of repeated bit patterns and replacing them with a double instance of the pattern.
By finding 'runs' of repeated bit patterns and replacing them with a single instance of the pattern and a number that specifies how many times the pattern is not repeated.
By encrypting the data using a special algorithm.
By finding 'runs' of repeated bit patterns and replacing them with a single instance of the pattern and a number that specifies how many times the pattern is repeated.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In run length encoding, how are black pixels represented?
A) 10
B) 01
C) 00
D) 11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In run length encoding, how are white pixels represented?
A) 00
B) 10
C) 01
D) 11
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