Textbook Notes (240,855)
CA (162,240)
Western (17,673)
COMPSCI (153)
All (2)
Chapter

Computer Science 1032A/B Chapter Notes -Six Sigma, Potential Flow, Groupon

12 pages108 viewsSpring 2014

Department
Computer Science
Course Code
Computer Science 1032A/B
Professor
All

This preview shows pages 1-3. to view the full 12 pages of the document.
Chapter 1-Information Systems and You
Q1: What is an information system
Information system – group of components that interact to produce information
not all the information system require computerization.
Ex: a public library organized by using the Dewey Decimal System/a calendar posted outside a conference room that is used to organize bookings
information systemnot computerized
but now describe a computerized information system simply an information system
from the simplest (a single person using a smartphone to find out when next bus arrives)
to the most complicated (a high-technology Customer Relationship Management (CRM) system that to predict customer behaviors)
all comprises five component framework – computer hardware, software, data, procedures,
people
these 5 components are often linked together through networks that leverage利 利 the power of connectivity to tie software,
hardware and data together to make information more accessible and powerful.
> eg: Social network: ex: Facebook /Linkdin & group buying system-ex : LivingSocial / Groupon
use the Internet to decrease the effects of distance & to allow people to remain connected and interact in new ways.
Hardware refer to electronic components and associated gadgetry 利 利 利 that constitute a
computer system.(ex: personal computer/a tablet/ smartphone)
Note: not refer to all of the tangible/ physical aspects of a computer system, ex: CDs, other media.
Software refer only to programs/ application that run/operate on computer system.
Data- the basic building base of information ex: facts/observation (ex: students identification
numbers/enrollment dates/answer to the test question )
Procedures- the instructions/ processes that you follow to achieve your desired objective
(ex:how you login on/access/the system you save / submit your work )
—formal& documented policies that are extensive and written down / informal instructions that are less detailed
People- actors who want to achieve a particular outcome by interacting with system
eg: the support system that your university/ college uses to support active learning :
--- people are often the most critical part of an information system
Q2: What is MIS?
Management information system MIS:
The development and use of information systems that help businesses
achieve their goals and
objectives.
Elements:
1. Development and use
2. Information systems
3. Business goals and objectives
Development and use of information system
○ information system are designed $ created by business analysts and system designers at the request
of the senior managers & entrepreneurs to solve a particular problem / meet a perceived need
To have your information system that meets your needs, you need to take an active role in that
system’s development,
> Understand how they are constructed
>Consider the users needs during development
> Learn how to employ the system to accomplish your goals
> Take into account other important functions :
--Security: be responsible for protecting the security of the system and its data
----Backup 利利: you may need to back up data to protect yourself from losing important information,
You're Reading a Preview

Unlock to view full version

Only half of the first page are available for preview. Some parts have been intentionally blurred.

---Recovery: when system fails, you will have tasks to perform while the system is down& helping restore the system as soon as
possible
Achieving Business goals and objectives --- MIS empowers users to reach goals
there are many important implications to this statement:
1. all organization business
information system can be found in almost every types of enterprise: social organizations/nonprofit organization/in
government of all levels
2. Organizations themselves don’t do anything ..it is the people within an organization/business to sell
/buy/design/produce/finance / account, MIS aids businesses in achieving objectives
Organizations are requiring and developing information
system for wrong reasons
> some ---“every other business has one ”
> convinced by a software vendor’s sales team or a article must
upgrade
Need to be developed for right reason : you need to learn
to look at information sustems & techonologies only though the lens of organizational need
Q3: How does IS differ from IT ?
Information system (IS)
a system of hardware, software, data, procedures, and people that produces information
Information technology (IT) :
---- Methods, inventions, standards.
---- raw technology & concerns only the Hardware / Software/ Data components of an information system, how these are
connected together
◎IT alone will not help an organization achieve goals. It is only when IT must be embedded into an IS to help accomplish
objectives
>> Technology must be combined with people and procedure components
People: the real difference between IS & IT : this impacts how a system is designed & implemented
IS will make IT useful
Successful business people take advantage of crucial differences between IT and IS to improve their systems
Q4: How Important are information systems to our economy ?
The Information and Communications Technology (ICT) sector 利利利利利利利利利
--- it provides products & services that other industries (ex: retail/manufacturing/ insurance/ industries ) rely on to get their
work done , actually is a “hidden industry
----includes companies involved in: software and computer services & cable and other program distributors&
telecommunications services & ICT manufacturing & ICT wholesaling利利
2011—include >32,000 companies: >97% companies had < 100 employees. Only 100 companies had > 500 employees
in 2010, ICT sector collected $ 210/162 billion in revenue –5.3% of the Canadian economic output.
since 2002 , average annual growth = 3.8%, twice as high as the overall economy (1.8%)
ICT sector has accounted for 9.5% of Canada ‘s GDP growth since 2002 ,
the total number of workers in the ICT sector in 2010 = 562,269: most of jobs ----software& computer services industries,
By the contract, employment # in the ICT manufacturing industries had declined by 17,000 workers since 2007
more jobs in the future = service industries : much of revenues based on service
→ ASK QUESTION:
What will a system do for you?
What is the purpose?
What will using it enable us to do?
What goal can we accomplish through its use?
Will it aid us in reaching our objectives?
You're Reading a Preview

Unlock to view full version

Only half of the first page are available for preview. Some parts have been intentionally blurred.

employment in ICT sector: high education---2010: 44.4 % university degree VS Canadian workforce : 24%
--- 53% university degree & 29% college degree--software & computer services industries
employee in ICT sector: high paid: 2010 –average $67225 VS economy-wide average $ 44336
--- -software & computer services industries: $ 71,647 –most highly paid
the information systems are an increasing important part of our economy ,
Q5: How do successful business professionals use the system ?
Today, everyone uses numerous information systems
Some of basic information systems are:
E-mail / Accessing web pages / Using word processors and spreadsheets/ Creating presentations with PowerPoint/
Talking on a cell phone/ Instant messaging and location-based services on their smart phones
essential but doesnt give anyone a competitive advantage in the work place.
competitive advantage:
1. Think creatively about problems, challenges , opportunity
2. Create innovative applications using emerging technologies
3. Business professionals need to expand their knowledge of mobile devices & applications that include project management
software (ex: Microsoft Project / Open Project ), business graphics(ex: MS Visio / Smart Draw ), collaborative systems (ex:
Google Docs).
(ICTC) Communications Technology Council of Canada---21010 report--signals the rather dramatic need for individuals
with a core set of skills, including the following :
Technical skills
Specific technology and industry experience
Satisfactory communication and other business skills
>> by adding a little bit of technical knowledge to your skills portfolio, you increase your ability to work across a wide spectrum
of industries,
what jobs will these skilled individuals do ?
Manager, computer and information systems
Information systems analysts and consultanta
User-support technicians
Successful business professionals recognize that they can gain a competitive advantage and widen their opportunity by
adding some technical knowledge to their business skills,
the line between business and technology is rapidly blurring 利利利, business professionals need to consider IT &
IS when they think about problems and opportunities that confront a department/ organization
to remain productive, organizations in the Canadian economy will have to innovate—most of this innovation will be
driven by IT
to take this advantage of this trend be a part of the changes that are coming , you need to develop your business skills and then
learn to think creatively about challenges , opportunity in your business and organization &
how your can apply new technology and knowledge of information system to addressing
these business needs
Q6: What is the Shape of Things to Come ?
Having an understanding of these ideas is useful to understand how we got where we are and where we may be headed:
1. Technology keeps getting easier to use. (ex: GPS/phone system)
Moore’s Law:
-- the density 密 密 of circuits利 利 on an integrated chip was
doubling approximately every two years or so
--- ppt: predicts “”the # of transistors per square inch
on an integrated chip doubles every 2 year
You're Reading a Preview

Unlock to view full version


Loved by over 2.2 million students

Over 90% improved by at least one letter grade.