Personal to Networked Computing

Question 1

Digital Era (~1950s/80s):

Answer 1

● Mass to Niche culture
● Changes in ICT engagement
○ Appointment viewing to on-demand
○ Push to pull media
● Convergence
● Participatory Culture

Question 2

Personal Computer as ICT Commodity

Answer 2

General purpose machine
○ Hardware + Software
○ Stores and processes data
○ Business, education, home users

Question 3

Examples of PC killer apps

Answer 3

○ Word processing
○ Internet
■ Email
■ World Wide Web

Question 4

Global network of ICTs

Answer 4

○ A network of networks
○ that connects a huge number of devices
and communications infrastructures
○ and supports a wide range of applications
○ via standard protocols

Question 5

Protocols

Answer 5

Standard “rules” that allow for communication across devices & networks
○ Work like common languages
○ Collaboratively developed by international institutions: edu, private, gov
○ TCP / IP one of many

Question 6

Example of protocol

Answer 6

Domain Name System translates web domains
(amazon.com) into IP addresses (12.132.67)

Question 7

Distributed Network Design (types of switching)

Answer 7

Socially constructed
Circuit Switching
- Control centralized in switch

Packet Switching
- Control distributed across routers