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Technology Bites (Week 3: E-Commerce :shopping_bags: (The Root of E…
Technology Bites
Week 2
:
Computer Systems
:desktop_computer:
What is a :desktop_computer: ?
A digital electronics device
that combines hardware and software to accept the input of data, process and store the data, and produce some useful output.
Hardware
Hardware refers to
the tangible
components of a
computer system or a
digital device.
Processing
Storage
Input and Output
Key Components
Processor
Memory
Storage
Removable Storage
Video Memory
Networking
Security
Operating System (OS)
Software
Software comprises
the electronic
instructions that
govern the computer
system’s functioning
System Software
• controls the hardware
• runs the computer system
• operating system
• disk management tools
Application System
• programs written to perform tasks
• provides services for people
• word processor, spreadsheets,
database, media players and
games
General Purpose Computers
Can run any number of software.
Supercomputer
Server
Workstation
Personal Computer
Special Purpose Computers
Are designed primarily for
one particular function
Kiosk
Digital Camera
Smart Home Appliance
E-Book Reader
Game Console
Embedded Computer
Week 3
:
E-Commerce
:shopping_bags:
Business-to-Consumer (B2C)
Business-to-Business (B2B)
Consumer-to-Consumer (C2C)
The Root of E-Commerce
Electronic Data Interchange (EDI)
EDI uses private communications networks
called value-added networks (vans) to
transmit standardized transaction between
partners and suppliers.
Transaction
An information system that supports and records
transactions.
Transaction Processing System (TPS)
Two methods of processing transactions
Batch Processing
Transactions are collected over time and processed
together in batches
Online Transaction Processing
Processing takes place at the point of the sale
Week 3
:
Internet & WWW
:earth_asia:
Internet Technology
Peer-to-Peer (P2P)
Port
Client Server
IP Address
TCP/IP
Protocols
Binary Number System
Cable Modem Connection
Dial-Up Connections
Routers
Internet Service Provider (ISP)
Internet Backbone
DSL Connection
DSS Connection
Network Architectures
Client/Server
Client/server technology is
the basis of Internet
services
Peer-to-peer
Participants running P2P
software make a portion of
their file system available
to other participants to
access directly
Do not utilize a central
server but facilitate
communications directly
between clients.
The Internet
:globe_with_meridians:
A global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
World Wide Web (WWW)
:spider_web:
An information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
How Does It Work
A system of interlinked, hypertext documents accessed through the Internet. It enables the retrieval and display of text and media to your computer.
Web Technology
Hyperlink
HTTP
Web Browser
Web Server
HTML
Web Authoring Software
Cookies
Plug-in
Content Streaming