SIUE CMIS 342 Exam 2

Bluetooth

- Chip technology that enables short-range connection (data and voice) between wireless devices. - used to create small personal area networks

radio transmission

- Uses radio-wave frequencies to send data directly between transmitters and receivers - good for connecting computer to printers/LAN's INCLUDES: -Bluetooth (short range) -Near-Field Communication (short) -WiFi (medium) -Cell Phone Service (3G, 4G) (wide area)

benefits of social computing - for CONSUMERS

- better and fast vendor responses to complaints (customers can air complaints in public) - customers can assist other customers (forums) - customers' expectations are met more fully and quickly - customers can easily search/link/chat/buy while on a social network

benefits of social computing - for BUSINESSES

- can test new products/ideas quickly & inexpensively - can learn a lot about their customers - identify problems quickly, alleviate customer anger - rapid feedback enables business to learn about customers' experiences - increase sales when customers leave positive reviews - create better marketing campaigns and brand awareness - use low-cost user-generated content in marketing campaigns - free advertising through viral marketing - identify influential brand advocates and reward them

pervasive computing

- every object has processing power and is connected to a network (smart home) - "everywhere computing"

Near-Field Communication (NFC)

- smallest range of any short-range wireless network - embedded in mobile devices such as cell phones and credit cards - range of about 4 inches

3 objectives of networks

- speed - distance - cost

Infrared

- used in remote controls - requires line-of-sight - can't go through walls, but can bounce the IR light off mirrors - signals can travel about 30 feet

Cellular Radio

-3G & 4G cell service -radio wave transmission over a cellular network of base stations (antennas/towers placed in adjacent geographic areas called cells)

satellite radio

-special form of radio transmission media -overcomes 30-40 mile distance limitation by using GEO/LEO satellites to beam the radio waves

Wi-Fi

-wireless fidelity (LAN) -requires an access point (aka hotspot) that transmits the radio waves -up to 800 feet -low cost and easy internet access

Mi-Fi

-wireless router that acts as a mobile hotspot) -wherever you go, you can connect to the internet -range about 10 meters -it connects you to the cellular radio network

Wireless technologies enable...

1. mobile computing 2. M-commerce 3. pervasive computing

3G vs 4G

3G - digital signals transmit voice and data up to 2mbps in one place (384kbps when moving at walking pace, 128kbps moving in a car) - supports video, web browsing, and instant messaging 4G - provides a secure all-IP-based mobile broadband system to all types of mobile devices - 100mbps for high-mobility communications such as cars, 1gpbs for low-mobility communications such as pedestrians

e-business

A broader definition of electronic commerce, including buying and selling of goods and services, and servicing customers, collaborating with business partners, conducting e-learning, and conducting electronic transactions within an organization.

mobile computing

A real-time connection between a mobile device and other computing environments, such as the Internet or an intranet. this mobility and broad reach break barriers of geography and time through: --Ubiquity --Convenience & Instant Connectivity --Personalization & Localization

World Wide Web (WWW)

A system of universally accepted standards for storing, retrieving, formatting, and displaying information through a client/server architecture; it uses the transport functions of the Internet.

social computing

A type of information technology that combines social behavior and information systems (web 2.0 tools) to create value. Makes socially produced info available to all

Microwave/wireless transmission

A wireless system that uses microwaves for high-volume, long-distance, point-to-point communication.

RFID Tags (Radio Frequency Identification)

A wireless technology that allows manufacturers to attach tags with antennas and computer chips on goods and then track their movement through radio signals.

Satellite transmission

A wireless transmission system that uses satellites for broadcast communications. GEO - MEO - LEO

Types of e-commerce

B2B B2C C2C

buy-side marketplace

B2B model in which organizations buy needed products or services from other organizations electronically, often through a reverse auction.

sell-side marketplace

B2B model in which organizations sell to other organizations from their own private e-marketplace or from a third-party site.

Benefits of E-Commerce

Benefits to organizations - Makes national and international markets more accessible - Lowers costs of processing, distributing, and retrieving information Benefits to customers - Can access a vast number of products and services around the clock (24/7/365) Benefits to society - Can more easily and conveniently deliver information, services and products to people in cities, rural areas and developing countries

e-payments

Computer-based systems that allow customers to pay for goods and services electronically, rather than writing a check or using cash. includes credit cards and e-money

C2C

Electronic commerce in which both the buyer and the seller are individuals (not businesses).

B2B

Electronic commerce in which both the sellers and the buyers are business organizations.

B2C

Electronic commerce in which the sellers are organizations and the buyers are individuals; also known as e-tailing.

e-exchanges

Electronic marketplaces in which there are many sellers and many buyers, and entry is open to all; frequently owned and operated by a third party.

Legal issues with e-commerce

Fraud on the Internet Domain Names Sales Taxes and other Fees Copyright

wireless sensor networks

Interconnected, battery-powered, wireless sensors called "motes" Placed in the physical environment to collect and transmit data

web 2.0

New generation of the WWW. A loose collection of information technologies and applications, plus the websites that use them. Users are now "creators" of info and active participants (social interaction, collaboration, info sharing)

Partial vs Full e-commmerce

PARTIAL EC - click-and-mortar organizations - buy physical book from amazon - iTunes FULL (PURE) EC - virtual organizations - buy e-book from amazon - nordstrom

social networks

Public - Facebook, LinkedIn, YouTube, Hulu, etc Private (enterprise social media) - Application of social networking "inside the firewall" to improve collaboration and communication among members of the organization (Skype)

computer network

System that connects computers and other devices so that data can be transmitted among them

Limitations of E-Commerce

Technological Limitations - Lack of universally accepted security and e-payment standards - Insufficient telecommunications bandwidth, especially in less-developed countries - Accessibility may be expensive in these countries Non-technological Limitations - Perceptions that EC is not secure, has unresolved legal issues, lacks a critical mass of sellers and buyers

barcodes

The oldest type of radio-frequency identification - aka Universal Product Code (UPC) - Requires line of sight to the scanning device

internet backbone

The primary network connections and telecommunications lines that link the nodes (devices). A fiber-optic network operated by large telecom companies.

e-commerce

The process of buying, selling, transferring, or exchanging products, services, or information through computer networks, including the Internet.

Uniform Resource Locator (URL)

The set of letters that identifies the address of a specific resource on the web.

QR codes

These are a step up from Barcodes - Can store more info - Holds any type of data, including URLs - More resistant to damage - Can be read from any angle

Router

a communications processor that routes messages from a LAN to the Internet, across several connected LANs, or across a WAN such as the Internet

internet

a global WAN that connects approximately 1 million organizational computer networks in more than 200 countries on all continents.

intranet

a network that uses Internet protocols so that users can take advantage of familiar applications and work habits

reverse auctions

buyer, usually an organization, seeks to buy a product or a service. sellers (suppliers) submit bids; the lowest bidder wins.

broadcast

communications channel using waves (microwave, satellite, radio, infrared)

Cable

communications channels using wires

extranet

connects parts of the intranets of different organizations

LAN (Local Area Network)

connects two or more devices in a limited geographical region, usually within the same building, so that every device on the network can communicate with every other device

2) coaxial cable

consists of insulated copper wire. Compared with twisted-pair wire, it is much less susceptible to electrical interference, and it can carry much more data. more expensive and difficult to work with

3) fiber optic wire

consists of thousands of very thin filaments of glass fibers that transmit information through pulses of light generated by lasers. are significantly smaller and lighter than traditional cable media. They also can transmit far more data, and they provide greater security from interference and tapping. Most expensive.

e-money

digital cash used to buy goods and services over the internet. **pre-paid cash** - stored-value cards (cougar card) - person-to-person payments (venmo)

cloud computing

distributed computing over the internet 1. Infrastructure as a service 2. Platform as a service 3. Software as a service

4 e-commerce mechanisms

e-catalogs (catalog shows products, pricing) e-storefronts (site represents single store, multiple is e-mall) e-marketplaces (where buyers/sellers come together - B2B) e-auctions (buying/selling via bidding)

Wide Area Network (WAN)

is a network that covers a large geographical area. WANs typically connect multiple LANs. They are generally provided by common carriers such as telephone companies and the international networks of global communications services providers

1) twisted pair wire

is used for almost all business telephone wiring. As the name suggests, it consists of strands of copper wire twisted in pairs. relatively inexpensive to purchase, widely available, and easy to work with

Bandwidth

refers to the transmission capacity of a network; it is stated in bits per second

3 types of B2B business models

sell-side marketplace buy-side marketplace e-exchanges

forward auctions

sellers solicit bids from many potential buyers; the highest bidder wins the items.

Web 2.0 tools

tagging, blogs, and wikis

web 1.0

the original WWW. key developments: the creation of websites and the commercialization of the web. Users typically had minimal interaction with Web 1.0 sites. Rather, they passively received information from those sites

wireless transmission media

transmits signals without wires - microwave/wireless - satellite - radio - infrared

social commerce

using social computing to conduct business activities and transactions

mashups websites

website that takes different content from a number of other websites and mixes them together to create a new kind of content.

wireless vs mobile technologies

wireless - telecommunications with NO wires or cables mobile - changing location over time