Digital Media:Questions and Answers

Question 1)
First off lets see if we can list how many forms of digital media surrond us (you should be able to come up with at least 5.)

1. Digital (Mobile Phone)
   
2. Digital (Laptop)
   
3. Internet
   
4. Digital (Video Game)
   
5. Digital (Watch)
   

Question 2)
What number system is digital data based on? What two digits are used to code all digital data?

Digital data is based on the binary numeral system and the two digits that are used to code all of the digital data is "0" and "1".

Question 3)
What is a Bit? What is a Byte?

A bit is the smallest unit on the computer that can be represented as "0" or "1". A Byte is a sequence that most commonly consists of eight bits

Question 4)
What is sampling rate? Find an image that explains how sampling works.

Sampling rate is said to be the number of samples per second taken from a constant signal which is to make a clear signal.

Analog Signal and resulting sample signal

Question 5)
How does colour depth or bit depth effect the appearance of an image? Find some images that illustrate the effect.

Colour depth is when a number of bits are used to denote the colour of a single pixel which can be in a bitmap image or a video frame buffer.

Question 6) Colour depth effects both stilla and video digital media.Sampling rate only effects video but not still media. Can you explain?

(TROUBLE UNDERSTANDING)