ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
What are information systems?
they are systems which are at the forefront of business innovation and contribute to the
increase in global competition. Firms which embrace the tech end up pulling away from
the competition
the use of IS helps to ...
simplify supply chains and business processes as there is no reliance on agents,
importers, wholesalers and retailers
What is big data?
extremely large and diverse collections of structured, unstructured, and semi-structured
data that continues to grow exponentially over time
Some of the reasons you should care about IS are?
1. information is everywhere and we use it in our personal, social and work life
2. being an informed user helps you and your employer be more efficient
3. there are greater career opportunities
4. IT and IS have a significant effect on society
Why should organisations care?
--> IS are of high strategic value and very expense to acquire, operate and maintain
What is Kogan's strategy?
,IS everywhere, Reduced barriers to enter markets through online trading, Financially
simpler Much less investment in building.
Information Technology (IT) has spread to cover more individuals and organisations and
their activities.-Activities are more and more dependent on it
What is information technology?
technology which can be used to deal with information
--> deal = store, manipulate and communicate
--> sometimes broadened to ICT (information and communication technology)
What is a relevant example of an information system?
eVision and blackboard
What components are in an information system?
--> hardware
--> software
--> databases
--> network
--> people
--> procedures
important thing to remember
an information system is often a lot more complicated than a desktop app
Benefits of IS
--> high speed, high-volume numerical computations
--> fast and accurate communication and collaboration within and among organisations
, --> quick and inexpensive access to vast amounts of information
--> can interpret vast amounts of data quickly and efficiently
Data vs information
Data:
--> raw facts
--> no context
--> meaningless on its own
Information:
--> contextualised data
--> data endowed with meaning and a purpose
Types of information granularity:
1. fine-grained
--> information pertaining to a singular thing, event or concept. operational in nature
--> is aggregated into coarse-grained information
--> important to record as the information is more versatile
2. course-grained information
--> information describing an aggregation of concepts. Is strategic in nature
--> cannot be decomposed into fine-grained information as is non-specific
Pyramid model of an organisation
What is TPS?