G9 Data Representation
Authored by Feugene Gasnab
Computers
9th Grade
Used 5+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tick all that refer to the use of
Compression techniques
reduce file size
mostly used for sound, image, and video file types
increase file size
Lossy and lossless types
remove error
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
To understand,
Tick all that describe LOSSY Compression
Permanently removes data
Recreates the file using the remaining data and uses algorithm to guess the removed content
Uncompressed data is not the same as the original
Does not remove data
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
To understand and describe,
Tick all how LOSSLESS compression compresses text file
A compression algorithm is used such as RUN LENGTH ENCODING
Repeating words, phrase, patterns are identified
indexed with a number of occurrences with their position.
Text and images are encrypted
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
it happens when the download speed is slower than the playback speed.
(a)
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
To EXPLAIN
The importance of compressing files are the following
Increase download speed
Data allowances are reduced
Voice can be transmitted fast enough to keep up speech
Data
is
increased
reduces space on disk/servers
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