Lecture 19 Digital Media Distribution

Question 0

Name some digital music services

Answer 0

iTunes Amazon Spotify

Question 1

What can a digital newspaper deliver differently than a printed version?

Answer 1

A digital newspaper can have interactive content

It can be updated

Instantly downloaded

Question 2

Name some e-book services

Answer 2

Amazon Kindle, Barnes and Noble, Apple iBooks

Question 3

Name some digital software stores

Answer 3

Windows store, Mac App Store

Question 4

What is environmental advantage in delivering content digitally

Answer 4

No physical media has to be sent to landfill

Less electricity is used in manufacturing

Question 5

What’s different about digital copyright

Answer 5

Digital products much easier to be pirated

Question 6

It illegal to copy a CD for personal use

Answer 6

United States, yes
Many EU countries, yes
United Kingdom, no

Question 7

What is digital rights management

Answer 7

Digital rights management is a way of protecting the rights of the copyright owner by restricting access to downloadable media for certain devices or people, Usually the person who has bought the media

Question 8

What’s the difference between lossless and Lossy compression

Answer 8

Lossless compression is able to create an exact copy without any loss

Lossy compression discards some of the original data to reduce file size

Question 9

Is the zip format lossy or lossless?

Answer 9

Lossless, if looks for redundancy in datasets and replaces common occurrences with short codes

For example a sequence of 2000 zero’s could be replaced by zero and the number 2000 and instead