Multimedia Compression Question:

What is the compression? Why is it necessary to compress files?
What is the meaning of multimedia? Give few examples.
Explain Data Compression problem. What are the components of that problem?
What are the system issues & performance criteria that have to be kept in mind?
What do you mean by lossless source coding?
Explain instantaneous variable length codes.
What do you mean by unique decipherability?
Using appropriate diagrams explain Huffman coding.
Information theory plays an important role in field of compression. Define basic concepts of it.
What are non-binary Huffman codes?