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Final

Computer Science 1033A/B Study Guide - Final Guide: Jerky, Filezilla, Lossless Compression


Department
Computer Science
Course Code
COMPSCI 1033A/B
Professor
Vivi Tryphonopolous
Study Guide
Final

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CS 1033B – Final Exam Notes Page 1
Compsci 1033B – Final Exam Notes
MULTIMEDIA AND COMMUNICATION
- 7-15 seconds to make a good first impression, 4 min for someone to decide to go beyond first impression
COMMUNICATION: Effectively communicate a Message: clear, exact, professional, make an impression
-The five senses are the mechanisms to communicate with others and our environment
MULTIMEDIA: everything you can hear or see; Media include texts, books, pictures, music, sounds, CDs, videos, DVDs, MP3
players, iPods, records films etc
- Text, Images, Animation, Sound, Video ****
MULTIMEDIA (technical): Describes any application or technology that can be used to present: Text, images, sound, animation
video ****
Software applications Delivery on the Internet Via Website Combined into an application to inform, educate,
entertain (sell/run businesses)
-Internet – fast, cheap, and accessible (reaches people all over the world)
o# million – Asia 389, Europe 313, North America 232 (??)
o More users in Asia, but greater percentage of population in North America (78.3% vs 23.8%)
oLeast in Africa (11.4%)
oPenetration Rate- the % of the population using internet
MULTIMEDIA USES
-To Inform
-To Educate
- To Sell and Run Businesses
-To Entertain
The World Wide Web (way of communicating) offers:
-Accessibility
-Is Fast
-Directly see people (Webcam)
-Is Cheap
Multimedia History Quiz
-When was the first motion picture ever recorded? Between 1880 & 1890
- What was the first full length movie with synchronized dialogue? The Jazz Singer
- What was one of the first full length movies to use colour? The Wizard of Oz
-What was the name of the predecessor to the Internet? Arpanet in 1969
-Who invented the World Wide Web? Tim Berners-Lee in 1991
- What was the very first graphical browser for the World Wide Web? Mosaic
- What was the first band to give a concert over the Internet? The Rolling Stones in 1994
- What was the first full length feature film that was completely computer generated? Toy Story in 1995

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CS 1033B – Final Exam Notes Page 2
-What application revolutionized/irritated the music industry in 1999? Napster
- When did digital cameras become fairly accessible and affordable to the public? 1996
Multimedia History
-1969: NETWORK TECHNOLOGY INTRODUCED: ARPANET***
oARPANET: Advanced Research Projects Agency Network, 1969
o First packet switching network and predecessor to the internet (discussed in 1962)
o Objective: a network technology to allow researchers at various locations across the country to share
information
o 4 locations in 1969 – UCLA, Stanford, UC Santa Barbara, University of Utah
o1970 – East coast
-1977: Apple starts to dominate PC market
-1991: WORLD WIDE WEB debuts - Information is accessed over the internet not via webpages (Tim Berners-Lee)
-1992: MS Windows 3.1 is released
HTML debuts – Basis for Website development
-1993: Mosaic – First graphical browser (web pages with images), by Marc Andreesen, Erin Brina, and Tim Clark
(transformed internet from research to household)
-1998: GOOGLE search engine operates by Larry Page & Sergey Brin
-1999: Napster debuts, allowing users to download and share MP3s
-2000s: Integration of computer, memory storage, digital data, camcorders, MP3 players, Ipods, speakers, telephones
HD TV and other technologies
-Future: multimedia will continue to grow into more than 1 $100 billion industry with top three applications
#1 – Entertainment $15 billion
#2 – Publishing $7 billion
#3 – Education/Training $7 billion
o E-leaning, iTV (interactive TV)
o Web 2.0 (sharing between users) – trend in web design, development, can refer to second generation of web-
based communities and hosted services (social networking, wikis, blogs) which aim to facilitate creativity,
collaboration, and sharing between users
o Laptops becoming smaller, thinner, more powerful
oLegal issues – copyright, rights management, piracy problematic since rapid technology changes
o Better skills – strong understanding of media and moving images as well as traditional IT and programming
skills
o2001 – Apple introduces ipod/itunes
o2005 – Youtube.com launches
o 2007 – Google takes over Microsoft as the biggest internet brand
Multimedia features
1. INTERACTIVITY
oUSER CONTROL over the application

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CS 1033B – Final Exam Notes Page 3
o Experience ACTIVE rather than passive as with television
o Examples: clicking on links on the internet, on-line computer-based exam, driving simulation
2. HYPERLINKING
oINDEX allows for “jumping” around sections
oVs Sequential: start at beginning and move to the end (books, movies, videos)
HTML has features that allows you to build hyperlinks to other webpages or location on the same
page
TEXT
-Used to serve 2 purposes:
oConvey Information
oVisual impact (graphical element)
- Use of text in multimedia applications varies on:
oThe type of application – educational, entertainment, business
oAudience – children, teens, adults, elderly, ESL (less text for children vs adults)
- Changing the look of webpage by changing:
oText attributes*** – colour, size, font type
oDesign/layout/placement of text – bullets, alignment, text in groups, placement, layout, design
- Emphasis can be added by varying text attributes
oFont type Arial, Times New Roman, Comic Sans
oStyle – regular, bold, italics - In Word-processing it is OK to underline
oKerning – adjusting the distance between pairs of letters
Helps align multiple lines
oTracki ng – adjusting the distance between all the letters -> positive spacing. (AVI in photoshop) This is
measured in Ems (emphasis)
Loose Track**- More space between all characters
“Tight Track” - Less space between all characters
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