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BUSINESS & COMPUTATION APPLICATIONS (E-COMMERCE System that support…
BUSINESS & COMPUTATION APPLICATIONS
COMPUTER
Hardware
Tangible components of a computer system/digital device
STORAGE
Secondary Storage
Store data more permanently
without electricity
Storage media types such as magnetic, optical & solid state storage
System Storage
RAM
ROM
Cache
INPUT & OUTPUT DEVICES
Input Devices
Keyboard, Mouse
Microphone, speech
recognition
Output Devices
Displays Liquid Crystal Display (LCD)
Printers and Plotters
Sound System
CPU
The Bit
Bits are the 1’s and 0’s
Represent, store and manipulate data
Bit & Bytes
Represent any
collection of items using a “look-up table” approach
CPU speed
How quickly it can carry out
tasks
Usually measured in gigahertz (GHz)
Software
Electronic instructions that govern the computer system’s functioning
Application Software
Supports people's functions
Organizations use application software to help people make better decisions, improve service, or increase revenue
Productivity Software
Word Processing
Spreadsheet
Presentation
Database
Personal Information Management
Software Suite
Collection of application software
packages sold together.
Software for Information, Decision
Support, & Specialized Purposes
System Software
Controls the hardware
Runs the computer system
Operating system
Risk management tools
The Operating System
Controls the computer hardware
Acts as an interface between application software and hardware.
Multitasking
Ability of the Operating system to run several programs simultaneously
User Interface-Graphical User Interface
Device Driver
Must be installed in order for operating system to recognize and communicate with the device
Utility Programs
To assist the machine in running smoothly, securely and efficiently such as virus detection
Assist in maintaining and manipulating system resources such as file compression (WinZip)
General Purpose Computer
Can run any number of software
applications
Supercomputer, Server
Special Purpose Computer
Designed primarily for
one particular function
Digital camera, E-book reader, Kiosks
E-COMMERCE
System that support electronically
executed business transactions
3 E-Commerce Trends
One third of e-commerce sales are now happening on mobile
devices.
Social ‘discovery commerce ‘ is on the rise.
“Always-on shopping” is now a reality.
Electronic Data Interchange (EDI)
Uses value-added networks
Transmit standardized transaction between partners and suppliers.
Transaction
An exchange or transfer
of goods, services or funds
Transaction Processing System(TPS)
An information system that supports and records transactions.
Data collected in TPS feeds into Management
Information Systems (MIS) to provide useful information
Batch Processing
Online Transaction Processing
Types of E-Commerce
Seller’s Perspective
Market Research
Product/Service Production
Marketing and advertising
Payment support
Delivery
After-sales
support
Buyer's Perspective
6 Stages of Buying Goods
Realizing a need
Researching a product
Selecting a vendor
Providing payment
Accepting Delivery
Using product support
Consumer review Websites help shoppers avoid purchasing mistakes
Business-to-consumer
(B2C)
Business-to-business (B2B)
Consumer-to-consumer
(C2C)
Benefits
Farmyard Nurseries
Expanded its market from
primarily local customers to
customers all around the world
Kodak
Changed its image from a film company to a picture company
Challenges
Issues of security & privacy
Social concerns
Established businesses that wish to use e-commerce need to alter systems and business practices
THE INTERNET & WEB
Internet Technology
Client/Server
Basis of Internet
services such as e-mail
Uses server computers to
distribute data to client
applications
Peer-to-peer
Do not utilize a central
server
Facilitate communications directly between clients
Internet Backbone
One of the principal data routes between large, strategically interconnected networks and core routers on the Internet
Internet Service Provider
(ISP)
Routers
Dial-up Connection
Cable modem connection
DSL/DSS connection
Binary number system
IP Address
Port
Internet Communications
TCP/IP
Communications protocols
Allow computers to communicate on the Internet.
Transmission Control Protocol (TCP)
Internet Protocol (IP)
Web Technology
Hyperlink
HTTP
Web browser
Web server
HTML
Cookies
Plug-in
Content Streaming
Web Application
Web Authoring Software
A system that allows Web pages to be visually created
It generates the required HTML code for the pages
Able to switch back and forth between the page layout and HTML