Flashcards
Information systems for Business
Flashcards do conjunto (10)
- 1Why study info systems- Informed users get more value from technologies they use.
- Benefit from your organisations IT applications because you will understand what is behind those applications.
- Ability to enhance the quality of your organization's IT applications with your input. - 2Moore's Law - rapid change in ISGordon Moore, co-founder of Intel, observed in 1965 that the number of transistors per square inch on integrated circuits had doubled approx every 18 months since the integrated circuit was invented.
- the speed of a computer chip increases in proportion to the density of the transistors
- price/performance ratio of computers has fallen dramatically
- computers are smaller and less expensive
- there will be an end to moores law eventually. - 3Data vs InfoData is a raw fact that represents a person, place, thing or events that may not be meaningful on its own, it could be text, numeric, image or audiovisual.
Information is knowledge derived from data. So data is processed and presented in a meaningful context, data is processed by summing, ordering, averaging, grouping, comparing, or other similar operations.
Info is a difference that makes a difference.
Data - processed - info - knowledge - 4Characteristics of good informationAccuracy:
Correct and complete, crucial for management, cross checking to ensure.
Timely:
Produced in time for intended use
Relevant to both:
Context and subject
Just barely sufficient:
Sufficient for purpose for which it is generated. Don't need too much or extraneous information.
Worth it's cost:
Relationship between cost and value. Info systems cost money to develop, maintain, and use. Must be worth the cost. - 5What is an information system?An information system can be defined as a group of components that interact to produce information.
Information is created when facts/data are put into meaningful and useful context.
Five fundamental components of a computer based info system:
Computer hardware, software, data, procedures and people - 6Business processesThe role of info:
Business processes generate info by giving context to data and has the ability to turn low level info into high level info. Is useful for management and strategy and decisions.
The role of info systems:
Systems designers determine relationship of business process activities to IS, several activities may use one IS, one activity may have its own IS, an activity may use several IS - 7Automating a process activityAutomation of processes:
Transfers work done by people to computers
Procedures done by people can be converted into software instructions and followed by computers??
Sometimes they don't work the way they are supposed to. - 8How does IT impact organizations- IT Reduces the number of middle managers
- IT changes the managers job
- IT Impacts Employees at work, health and safety, and provides opportunities for people with disabilities - 9Ethical issuesThe diversity and ever expanding use of it applications have created a variety of ethical issues. These issues fall into four general categories:
- Privacy issues involve collecting, storing, and disseminating info about individuals
- Accuracg issues involve authenticity, fidelity, and correctness of info that is collected and processed
- property issues involve the ownership and value of information
- Accessibility issues revolve around who should have access to info and whether a few should be paid for this access - 10Property rightsIntellectual property:
Consists of the products of the human mind, tangible or intangible (ideas, design)
We're all tempted by the ease of illegally copying music, games, software etc.
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- FlashCards sobre Information systems for Business, criado por Jordane Dillon em 28-07-2016.
- Criado por
- Jordane Dillon
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