COMPUTER NETWORKING

MULTIMEDIA AND QUALITY OF SERVICE

COMPRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Run-Length Encoding, Dictionary Compression and Variable-Length Encoding are all ____
A
lossy compression
B
lossless compression
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Dictionary-based compression is another lossless technique that relies on finding patterns in data.

Detailed explanation-2: -Lossless data compression mainly supports RAW, BMP, PNG, WAV, FLAC, and ALAC file types. Lossy data compression mainly supports JPEG, GIF, MP3, MP4, MKV, and OGG file types.

Detailed explanation-3: -Examples of lossless compression methods include Run Length Encoding and Dictionary Based Methods. Run Length Encoding replaces repeating pixels or codes. Dictionary Based Methods rely on patterns within a file and are more effective with larger files. Each pattern can has an ID number.

There is 1 question to complete.