Isys: chapter 2 cont. Business Info
Systems
Business information systems - correct answer-Dhhcc
Bbh - correct answer-Ffgg
Electronic commerce - correct answer-Business transaction executed electronically between
parties such as companies like business to bus, bus to consumer, consumer to consumer
and both interact with public sector. Convenience, efficiency as less time consuming and can
be applied globally
Discuss why it is important to study and understand information systems - correct
answer--Importance of studying information systems is because it is linked helping you find
your career, promotions and advance in your career.
- the timportance of learning information systems is that it helps you achieve your goals, in
relation to personal and professional aims, increaes in performance and productivity level of
performance.
- informaion systems is core element to ensure businesss functions effectively and efficiency
to achieving set organisational goals.
hence every small scale to large scale organisation continue to rely on information systems
to get things done faster and efficiency, hence it is important to understand how it works so
that we can better adapt to it when entering any work force.
-help organisations carry on daily operations
- enables us how to manage and proritise informations from both personal and professional.
what is data? - correct answer--data is a set of raw data from real world things that contains
limited inherit value on its own.
- there are many types of data: examples are alphanumeric, image, audio and video data.
- real life examples are employees name, numbers of hours worked un a week, inventory
part numbers or sale orders.
what is information? - correct answer-information is a collection of data that have been
arranged in a particular manner to provide useful value for business activities or purposes.
for examples a manger might find the total monthly sales to be more suited to his or her
purpose than the number of sales for individual sales representatives.
what is knowledge? - correct answer-- the acquired understanding of information that is used
to the advantage of the business to increase in productivity levels, strengthen competitive
advantage, and to provide valuable information for marketing and advertising campaigns,
generating further revenue and profit.
characteristics of valuable information... - correct answer-refer to dropbox screenshot
system - correct answer-- set of elements or componenets that interact to accompish goals
, - systems have 4 main conponents : inputs, process, outputs and feedback
- for ecample: an automatic car wash system.
- the inputs are: dirty car, water various cleaning ingredients used (physical) also time,
energy, skill and knowledge are needed
-process mechanisms: selecting type of cleaning options, then communicating that clearly to
the operator.
- output: cleaned car.
- feedback: assessing and evaluating the result of the finished product of the car.
system boundary - correct answer-defines the system and distinguishes it from its
environment
configuration - correct answer-the way the system elements are organised and arranged
- the arrangement of elements dependent on knowledge, and previous experience, to see
the logical relationship between elements to perform a systematic approach so that goal can
be achieved.
- knowing the aim or purpose is first key to knowledge.
system types .... - correct answer-refer to dropbox screenshot
model - correct answer-- abstraction or an approximation thst is used to represent or is an
expection of the reality.
- enable us to explore and gain an improved understanding of real worl situations to make
better decisions
narrative model - correct answer-based on words of logic and not physical
- verbal and written description of reality are considered narrative worss
- reports, documents and conversations concerning system are all important narratives in
org
physical model - correct answer-tangible representstion of reality
computer designed or contructed
allow the decision maker a glimpse of overall appearance and approach of development
schematic model - correct answer-a graphic model is a graphic representstion of reality
- graphs, charts,figures, diagrams, illustrations and pictures are all types of it
used extensively in developing computer programs and systems
ie, electrical wiring diagrams
- show certain tasks or activities that must be completed to stay on schedule and on the right
direction of goal achieving.
mathemathical model - correct answer-arithmetic representation of reality
- using computer excel and other type models to identify all activities effort and time
associated with planning, building and opening a new store so that they can forecast how
long it will take to complete a store
- all models need accuracy in order for accurate result to emerge.
- need to be realistic as possible, avoid assumptions
Systems
Business information systems - correct answer-Dhhcc
Bbh - correct answer-Ffgg
Electronic commerce - correct answer-Business transaction executed electronically between
parties such as companies like business to bus, bus to consumer, consumer to consumer
and both interact with public sector. Convenience, efficiency as less time consuming and can
be applied globally
Discuss why it is important to study and understand information systems - correct
answer--Importance of studying information systems is because it is linked helping you find
your career, promotions and advance in your career.
- the timportance of learning information systems is that it helps you achieve your goals, in
relation to personal and professional aims, increaes in performance and productivity level of
performance.
- informaion systems is core element to ensure businesss functions effectively and efficiency
to achieving set organisational goals.
hence every small scale to large scale organisation continue to rely on information systems
to get things done faster and efficiency, hence it is important to understand how it works so
that we can better adapt to it when entering any work force.
-help organisations carry on daily operations
- enables us how to manage and proritise informations from both personal and professional.
what is data? - correct answer--data is a set of raw data from real world things that contains
limited inherit value on its own.
- there are many types of data: examples are alphanumeric, image, audio and video data.
- real life examples are employees name, numbers of hours worked un a week, inventory
part numbers or sale orders.
what is information? - correct answer-information is a collection of data that have been
arranged in a particular manner to provide useful value for business activities or purposes.
for examples a manger might find the total monthly sales to be more suited to his or her
purpose than the number of sales for individual sales representatives.
what is knowledge? - correct answer-- the acquired understanding of information that is used
to the advantage of the business to increase in productivity levels, strengthen competitive
advantage, and to provide valuable information for marketing and advertising campaigns,
generating further revenue and profit.
characteristics of valuable information... - correct answer-refer to dropbox screenshot
system - correct answer-- set of elements or componenets that interact to accompish goals
, - systems have 4 main conponents : inputs, process, outputs and feedback
- for ecample: an automatic car wash system.
- the inputs are: dirty car, water various cleaning ingredients used (physical) also time,
energy, skill and knowledge are needed
-process mechanisms: selecting type of cleaning options, then communicating that clearly to
the operator.
- output: cleaned car.
- feedback: assessing and evaluating the result of the finished product of the car.
system boundary - correct answer-defines the system and distinguishes it from its
environment
configuration - correct answer-the way the system elements are organised and arranged
- the arrangement of elements dependent on knowledge, and previous experience, to see
the logical relationship between elements to perform a systematic approach so that goal can
be achieved.
- knowing the aim or purpose is first key to knowledge.
system types .... - correct answer-refer to dropbox screenshot
model - correct answer-- abstraction or an approximation thst is used to represent or is an
expection of the reality.
- enable us to explore and gain an improved understanding of real worl situations to make
better decisions
narrative model - correct answer-based on words of logic and not physical
- verbal and written description of reality are considered narrative worss
- reports, documents and conversations concerning system are all important narratives in
org
physical model - correct answer-tangible representstion of reality
computer designed or contructed
allow the decision maker a glimpse of overall appearance and approach of development
schematic model - correct answer-a graphic model is a graphic representstion of reality
- graphs, charts,figures, diagrams, illustrations and pictures are all types of it
used extensively in developing computer programs and systems
ie, electrical wiring diagrams
- show certain tasks or activities that must be completed to stay on schedule and on the right
direction of goal achieving.
mathemathical model - correct answer-arithmetic representation of reality
- using computer excel and other type models to identify all activities effort and time
associated with planning, building and opening a new store so that they can forecast how
long it will take to complete a store
- all models need accuracy in order for accurate result to emerge.
- need to be realistic as possible, avoid assumptions
