Introduction to information systems - ITISA web. Popular web browsers are Chrome, Edge/IE, Cloud Computing Services
Firefox, Safari, and Opera.
week 1 to week 7 Infrastructure as a service (IaaS)
A search engine, such as Google, is a valuable tool Platform as a service (PaaS)
week 1
that enables you to find information on the web by Software as a service (SaaS)
Networks specifying words that are key to a topic of interest. Information Systems in Perspective
Search engine optimisation (SEO) refers to
techniques that can be used to drive traffic to a Data is raw facts and can be represented as
A computer network refers to the communications
website by improving the website’s ranking in the alphanumeric values, audio, images, or video. Once
media, devices, and software used to connect two
search results. the data is processed, it is information, because it
or more computer systems or devices.
Communications media is any material substance has value beyond the value of the individual facts.
that carries an electronic signal to support The Internet of Things There are different types of information systems,
communications between sending and receiving such as personal information systems that are used
devices. The shape or structure of a network is The internet of things (IoT) is a network of physical predominantly for productivity, group information
known as a network topology. There are many objects or “things” embedded with sensors, systems among members of a group that used for
different types of network topologies like the star, processors, software, and network connectivity collaboration, and enterprise management systems
bus, and mesh network topologies. capability to enable them to exchange data with the that are used for defining structures and standards
manufacturer of the device, device operators, and within the organisation. To ensure an information
other connected devices. Real-world Internet of system is successfully implemented, the following
The Internet and World Wide Web
Things examples range from a smart home that complements need to be considered: well-trained
automatically adjusts heating and lighting to a workers, the availability of system support,
Companies or individuals cannot connect directly to motivating teams to work together, redesigning
smart factory that monitors industrial machines to
the internet. An internet service provider (ISP), such business processes that may be affected by the new
look for problems, then automatically adjusts to
as Telkom, provides internet access to companies system, and assigning the correct access rights to
avoid failures.
and individuals. There are several approaches to users of the new system.
connect to an ISP in order to access the internet e.g.
using a LAN server, telephone lines, high-speed The Internet of Everything (IoE) encompasses not
only machine-to-machine, but also people-to-people Planning, Acquiring, and Building Systems
services, or a wireless network.
and people-to-machine connections. The IoE has
seen rapid, ongoing growth, which is fuelled by the Users can buy off-the-shelf software, develop or
A URL refers to the web address that specifies the
increasing availability of network access and build custom software, or rely on a software service
exact location of a web page by finding the host’s IP
inexpensive smart devices. provider. When software is bought off-the-shelf it
address and location. An IP address is a
can typically be used indefinitely, resold to someone
communications standard that enables computers
Cloud Computing else, etc. Custom applications are typically
to route communications traffic from one network to
developed when an off-the-shelf product does not
another. The internet backbone refers to one of the
Cloud computing refers to a computing environment meet the desired needs of the individual or
internet’s high-speed, long-distance
in which software and storage are provided as an organisation. Software services allow users to use
communications links.
Internet service and accessed by users with their their software on a subscription basis and is
Web browser. Cloud computing can be deployed in available on-demand.
HTML is a language that is used to tell a web
browser how to display the content of a web page. several different ways, including public cloud
computing for example google calendar and Information Systems in Business and Society
This is often used in conjunction with other
languages such as CSS and XML. A web browser is salesforce, private cloud computing, and hybrid
software that allows a user access to the world wide cloud computing which is a combination of the Cybercriminal refers to a hacker who is motivated by
public and private. the potential for monetary gain. Cyberterrorism
, refers to the intimidation of a government or a
civilian population by using information technology of or
emotion
to disable critical national infrastructure. dollars emotion
Cyberterrorists are typically motivated by E-government is the use of information and
ideological, religious, or political beliefs. Length of
Days to Days to Hours to communications technology to simplify the sharing
sales
months weeks days of information, speed formerly paper-based
Different types of perpetrators, and attacks, will be process
processes, and improve the relationship between
discussed later in the module. Internet censorship is citizens and government. Government to-citizen
the control, or suppression, of the publishing or Several (G2C), government-to-business (G2B), and
Number of
accessing of information on the internet. The digital people government to-government (G2G) are all forms of e-
decision One or One or
divide is the gulf between those who do, and those to a government, each with different applications.
makers two two
who do not, have access to modern information and dozen or Week 2
involved
communications technology. Ethics refer to a set of more Mobile and Electronic Applications
beliefs about right and wrong behaviour. Ethical
behaviour conforms to generally accepted social Typically More Some of the advantages of e-commerce and m-
norms. Net neutrality refers to the principle that ,a customis Single commerce include reaching new customers,
Uniformity
internet service providers should be required to treat uniform ed product reduced costs, improved speeds of goods and
of offer
all internet traffic the same, without favouring product product offering information flows, increased accuracy, and
content from sources and/or blocking or throttling offering offering improved customer service. A successful e-
content from others. commerce system must address many stages that
Extremel consumers experience in the sales life cycle. Market
2. An Introduction to Electronic Commerce y segmentation refers to the identification of specific
complex; markets to target them with tailored advertising
Relatively
Electronic commerce (e-commerce) refers to much messages. It may be based on demographical
Relatively simple;
business activities that are conducted room for information such as age or nationality, and/or
simple; limited
electronically over computer networks. negotiati analytical data acquired from the users’ past
limited negotiatio
B2B is a subset of e-commerce in which all the on actions. Mobile ad networks distribute mobile ads to
negotiati n on
participants are organisations. Complexity quantity, publishers such as mobile websites, application
on on payment
B2C is a subset of e-commerce in which of buying quality, developers, and mobile operators. Blind networks,
price, and
customers deal directly with an organisation process options premium blind networks, and premium networks are
payment, delivery
and avoid intermediaries. and examples of mobile advertising networks.
and options;
C2C is a subset of e-commerce that involves features,
delivery negotiatio
electronic transactions between consumers price,
options ns focus
using a third party to facilitate the process. payment, Premium
on price Charact Blind Premium
and Blind
eristic Networks Networks
delivery Networks
Fact options
ors B2B B2C C2C Degree An Most Big brand
Motivation Driven Driven by Driven by to advertiser advertisin advertisers
for sale by a an an which can specify g is can secure
Typical Thousan Tens or Tens of business individual individual advertis country blind, but elite
value of sale ds or hundreds dollars decision consume consumer ers can and for an locations
millions of dollars or need r’s need ’s need or specify content additional on top-tier
