Click here to start

Table of contents

Slide 1

Layers of a Computing System

Slide 3

Slide 4

Data and Computers

The ASCII Character Set

Slide 7

Slide 8

Slide 9

Slide 10

The Unicode Character Set

Slide 12

Text Compression

Keyword Encoding

Slide 15

Slide 16

Slide 17

Run-Length Encoding

Slide 19

Claude Shannon (1916 - )

Claude Shannon

English Redundancy

Letter Frequency In the English Language

Huffman Encoding

Slide 25

Slide 26

Slide 27

Representing Audio Information

Slide 29

Slide 30

Slide 31

Slide 32

Audio Formats

Representing Images and Graphics

Slide 35

Slide 36

Slide 37

Slide 38

Indexed Color

Digitized Images and Graphics

Slide 41

Slide 42

Vector Graphics

Slide 44

Representing Video

Slide 46

Slide 47

Slide 48

Slide 49

Author: Vincent Costa

E-mail: vcosta@optonline.net