getting somewhere finally Flashcards
key elements of the digital era:
Mass to Niche culture
Changes in ICT engagement (PUSH TO PULL MEDIA)
Convergence
Participatory culture
what a personal computer does:
& its killer apps
general purpose machine:
has hardware and software
stores and processes data
business, education, and home user
killer apps: word processing, internet (world wide web, email)
what is the internet?
Global network of ICTs: a network of networks that supports applications via protocols
Distributed network design: circuit and packing switching
protocols
Standard “rules” that allow for communication across devices & networks
Developed by international institutions: edu, private, gov
Example: Domain Name System translates web domains
(amazon.com) into IP addresses (12.132.67)
circuit switching
control centralized switch
packet switching
control distributed across routers
explain the pre-web internet –> three key points
it was a military development (ARPAnet)
there were bulletin board systems (BBS)
there were computer online services (WALLED GARDENS)
ARPAnet
The U.S. Advanced Research Projects Agency Network was the first public packet-switched computer network
ARPANET’s main use was for academic and research purposes
BBS
computerized system used to exchange public messages or files
first “virtual communities”
walled gardens
an organization which keeps its technology, information, and user data to itself, with no intention of sharing it
example: Prodigy, AOL
explain web 1.0 concerning technology (1990s) –> 4 key points
connects documents (www, web browsers with gui, open web vs walled gardens)
Dial-up ISPs
Privatization & Commercialization struggles
Search engines organize the Web
explain web 2.0 concerning technology –> 5 key points
Connects People (participatory culture)
Read-only > Read-write
Broadband > Video
“Big Tech” companies emerge
Surveillance advertising business model
explain web 3.0 concerning technology (2015) –> 4 key points
Connects everything
Internet of Things (IoT)
Semantic Web (Machine readable)
Algorithms and “Artificial Intelligence”