Compression Quiz

Quiz
•
Computers
•
10th - 11th Grade
•
Medium
Oliver Lomax
Used 59+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which type of compression ensures that all of the data is kept?
Lossless
Lossy
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Lossy compression removes data that isn't needed...
True
False
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Compression makes file sizes...
Bigger
Smaller
Keeps them the same
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An advantage of lossless compression is...
All data is lost
The file size stays the same
All of the important data is kept
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A disadvantage of lossless compression is...
There is a big reduction in file size
There is only a slight reduction in file size
There is no reduction in quality
Cannot be used on text or software files
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The correct encoding of the letter C in this tree is...
11
10
01
00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Huffman trees use the _______________ of each character to work out their encoding.
Frequency
Order in ASCII
Number value
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