The internet and web:
Internet Service Provider
Cable modem connection
Binary number system
Client/server technology is
the basis of Internet
services such as e-mail
and the Web and uses
server computers to
distribute data to client
applications such as
Do not utilize a central
server but facilitate
Participants running P2P
software make a portion of
their file system available
to other participants to
Web authoring software
E-Commerce refers to systems that support electronically
executed business transactions
3 E-Commerce trends you need to know for a profitable 2015
One third of e-commerce sales are now happening on mobile
Social ‘discovery commerce ‘ is on the rise.
Roots of E-Commerce:
Electronic Data Interchange (EDI)
Transaction Processing System (TPS)
Electronic Data Interchange
EDI uses private communications networks
called value-added networks (vans) to
transmit standardized transaction between
partners and suppliers.
:A transaction is an exchange or transfer
of goods, services, or funds A Transaction Processing System (TPS) is an information system that supports and records transactions. Data collected in Transaction Processing Systems feeds into more sophisticated Management Information Systems(MIS) to provide useful information.
Two methods of processing transactions:
Online Transaction Processing
Transactions are collected over time and processed
together in batches
Online Transaction Processing
Processing takes place at the point of the sale
Types of E-commerce
Web sites can help
Marketing and advertising
Benefits and Challenges
Farmyard Nurseries -
Taking the business online
expanded its market from
primarily local customers to
customers all around the
Kodak changed its
image from a film
company to a
picture company by
and tools for digital
There are challenges to e-commerce too.
Established businesses that wish to expand to
the Internet need to alter systems and business
practices to accommodate the new method of
There are also issues of security and privacy.
There are social concerns. Not everyone has
equal access to the technology of e-commerce
Sometimes called a chip or just a processor, combines microscopic electronic components on a single integrated circuit that processes information according to software instructions.
Also known as Central Processing Unit (CPU)
CPU speed how quickly it can carry out such tasks as loading a program, opening a file, and writing to a CD.
CPU Clock speed is usually measured in gigahertz (GHz)
The Bit (binary digit)
Bits are the 1’s and 0’s that allow us to represent, store, and manipulate data
8 Bits = 1 Byte
Bytes can represent any collection of items using a “look-up table” approach
ASCII is used to represent characters
A flash memory card is a chip that, unlike RAM, is nonvolatile and keeps its memory without the need for electricity.
USB Flash Drives use flash memory to provide high capacity storage through the USB port.
Key components : processor,
An input device assists in capturing and entering raw data into the computer system.
An output device allows you to observe the results of computer processing with one or more of your senses
Keyboard, Mouse, Trackball
Touch screen, stylus, kiosks
Microphone, speech recognition
Gamepad, other game-centered devices
Key components: processor,memory,storage.video storage,video memory,networking,security,os
Multitasking is the ability of the OS to run several programs or tasks at the same time
Any device that connects to a computer includes associated software called the device driver that must be installed in order for the operating system to recognize and communicate with the device.
Programs designed to assist the machine in running smoothly, securely, and efficiently:
Spam and Pop-up blockers
Adware & Spyware protection
Programs that assist us in maintaining and manipulating system resources:
File Compression (WinZip)
File and Disk Management & Backup