Question

Which of the following techniques is employed for improving transmission efficiency of digital documents?
1) Encryption
2) Compression
3) USB
4) Stenography

Answer 1

Answer:

hjjj

Explanation:

jj

Answer 2

Answer:

Compression

Explanation:

Compression, or "information compression," is used to lessen the dimensions of 1 or extra documents. When a record is compressed, it takes up much less disk area than an uncompressed model and may be transferred to different structures extra quickly. Therefore, compression is frequently used to keep disk area and decrease the time had to switch documents over the Internet.

There are  number one sorts of information compression:

File Compression

Media Compression

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