Session 9 Information Technology for Business

8/10/2019 Session 9 Information Technology for Business

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Session 9:

Information Technology for Business

Kyaw Myo Min



IT Basics

• Information Technology (IT)

– The various appliances and devices for creating,

storing, exchanging, and using information in

diverse modes, including visual images, voice,multimedia, and business data

•

E-commerce (Electronic Commerce) – The use of the Internet and other electronic

means for retailing and business-to-business

transactions



IT Impacts

•Creating Portable Offices – Providing remote access to instant information

• Enabling Better Service

– Coordinating remote deliveries

• Creating Leaner, More Efficient Organizations

– Allowing more work and customer satisfaction to be

accomplished with fewer people• Enabling Increased Collaboration

– Using collaboration software and other IT communication

devices



IT Impacts (cont’d)

• Improving Management Processes

– Using enterprise resource planning (ERP) to

change the nature of the management process

• Providing Flexibility for Customization

– Creating new manufacturing capabilities that offer

customers greater variety (mass customization)

and faster delivery cycles



IT Impacts (cont’d)

• Enabling Global Exchange

– Fostering collaboration on a worldwide scale

• Providing New Business Opportunities

– Creating entirely new businesses where none

existed before

• Improving the World and Our Lives

– Advancing medical and diagnostic techniques



Networking for Mass Customization



IT Building Blocks: Business Resources

• Internet

– A gigantic system of more than 100 million

interconnected computers in more than 100

countries

• World Wide Web

– A standardized code for accessing information and

transmitting data over the Internet



IT Building Blocks: Business Resources (cont’d)

• Intranets

– Private internal information networks accessible

only by employees

• Extranets

–

Allow outsiders limited access to internalinformation networks



• Electronic Conferencing

– Allows groups of people to communicate

simultaneously from various locations via email,

phone, or video• Data conferencing

• Video conferencing

• VSAT Satellite Communications

– Satellite-based private network for voice, video,

and data transmissions

IT Building Blocks: Business Resources (cont’d)



Networks: System Architecture

•

Computer Network – A group of two or more computers linked together by

some form of cabling (fiber-optic, coaxial, or twisted wire)

or by wireless technology to share data or resources such

as a printer

• Client-Server Network

– Clients

• The laptop or desktop computers through which users makerequests for information or resources

– Servers

• The computers that provide the services shared by users



Types of Networks

• Wide Area Networks (WANs)

– Computers linked over long distances

• Local Area Networks (LANs)

– Computers linked in a smaller area, such as all of

a firm’s computers within a single building

• Wireless Networks

– Use airborne electronic signals to link computers

and devices

•

Blackberry system



Blackberry Wireless Internet Architecture



Types of Networks (cont’d)

• Wi-Fi (Wireless Fidelity)

– An access point that forms its own small network

• Wireless LAN or WLAN

– A wireless local area network

• WiMax (Worldwide Interoperability for Microwave

Access)



Hardware and Software

• Hardware

– Physical components such as laptops, desktops,

handheld computers, keyboards, monitors, system

units, and printers

• Software

– System software

– Application (productivity) software

– Groupware



Information Systems: Harnessing the

Competitive Power of IT

• Data

– Raw facts and figures

•

Information – The meaningful, useful interpretation of data

• Information System (IS)

–

A system that uses IT resources and enables managers toturn data into information for use in decision-making

– Information system managers operate the systems used

for gathering, organizing, and distributing information



Leveraging Information Resources

• Data Warehousing

– The collection, storage, and retrieval of data in

electronic files

• Data Mining

– The application of electronic technologies for

searching, sifting, and reorganizing pools of data

to uncover useful information



IT Risks and Threats

• Hackers – Cyber criminals who gain unauthorized access to a computer

or network, either to steal information, money, or property

or to tamper with data

• Wireless mooching• Denial of service (DOS) attacks

• Identity Theft

– Stealing of personal information to get loans, credit cards, orother monetary benefits by impersonating the victim

• Phishing

• Pharming



IT Risks and Threats (cont’d)

• Intellectual Property Theft

– Theft of a product of the mind—something produced by

the intellect, with great expenditure of human effort—that

has commercial value

• Computer Viruses, Worms, and Trojan Horses

– Malicious programs that, once installed, can shut down a

computer system

•

Spyware – Software that transmits stolen personal information

• Spam

–

Widely broadcast, unsolicited e-mail



IT Protection Measures

•

Preventing Unauthorized Access – Firewalls

• Security systems with special software or hardware

devices designed to keep computers safe from hackers

– Components for filtering messages:

• Security policy

• Router

• Preventing Viruses

– Anti-virus software



IT Protection Measures (cont’d)

• Protecting Electronic Communications

– Encryption software

• Works by locking an e-mail message to a unique code

number (digital fingerprint) for each computer so onlythat computer can open and read the message

• Avoiding Spam and Spyware

– Anti-spyware software



Any Questions!

Documents

Session 9 Information Technology for Business