Huffman Coding
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Medium
O Hawkridge
Used 9+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Compression makes file sizes...
Bigger
Smaller
The same
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Huffman coding uses the ________ of each character to work out their encodings.
Frequency
Order in ASCII
Number value
Binary value
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How do you move through a Huffman tree?
0 = right 1 = left
0 = left 1 = right
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of bits in a body of text in ASCII?
Number of characters (no spaces) * 7
Number of characters (including spaces) * 7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Huffman coding?
A lossy compression method
A lossless compression method
A programming language
A type of encryption algorithm
Answer explanation
Huffman coding is a lossless compression method that efficiently encodes data by assigning shorter codes to more frequent characters.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is often compressed using Huffman coding?
Video files
Audio files
Text documents
Executable files
Answer explanation
Huffman coding is often used to compress text documents efficiently, making them the correct choice in this case.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many characters does the phrase 'Peter Piper picked a pepper' contain, including spaces?
26
27
25
28
Answer explanation
The phrase 'Peter Piper picked a pepper' contains 27 characters, including spaces. Therefore, the correct answer is 27.
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