Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
|
Data and information are two distinct concepts. Which best explains this?
|
A)DATA REPRESENTS INDIVIDUAL FACTS ABOUT THE WORLD WEHREAS INFORMATION REPRESETNS SUMMARISED DATA.
|
|
|
Which of the following is not a typical characteristic of good quality real world data?
|
a)timely
b)relevant C)INEXPENSIVE d) cosistent e)accessible |
|
|
The concept of business intelligence. Which of the following statements best describes this concept as it was presented in lectures?
|
B)COLLECTIVE INFORMATION THAT HAS BEEN INTEGRATED, PROCESSED AND CATERGORISED TO ASSIST IN MAKING GOOD BUSINESS DECISIONS
|
|
|
The concept of information passing between equivalent departments of an organisation is
|
A)HORIZONTAL INFORMATION FLOW
|
|
|
The concept of information passing two departments is an example of
|
B)VARTICAL INFORMATION FLOW
|
|
|
Information used to document an idividual sales transaction is bests classified as
|
a)subjective inforamtion
b)transetn information C)FINE GRAINED INFORMATION d)coarse grain information |
|
|
Information presented in the end of year annual report is what?
|
D)COARSE GRAINED INFORMATION
|
|
|
Wich of the following is not a desirable trait of an information literate person?
|
D)THEY ALWAYS TRUST INFORMATION SYSTEMS TO GIVE THEM THE CORRECT INFORMATION
|
|
|
In the diagram process of transforming data into information which best describes the process in which data is transformed into information?
|
D)PRECESSING AND CONTEXT
|
|
|
In the from data to decisions, which best describes process of transforming information into business intelligence?
|
A)ANALYSE AND SUMMARISE
|
|
|
Which of the following is not a necessary component of an information system?
|
These all are: People, computer hardware, processing, procedures?
|
|
|
Which system is most likely best for building business intelligence?
|
A)A TRANSACTION PROCESSIGN SYSTEM
b)a management information system c)a decision support system d)a geographic information system e)enterprise information systems |
|
|
Poor communication has financial costs to an organisation. Which of the following a typical consequence of poor communication?
|
These are all examples of poor communication:
a)the interpretation of the communication means workers will be less productive b)the orginal communication will require revision which was effort c)the communication may cause confusion within the organisation leading to poor decision making d)the delays caused by poor communication may lead to missed opportunities. |
|
|
Effective communication must be:
|
a)convey the intentions of the creator
b)have an impact on the consumer D)MUST BE COMPLETE CONCISE AND CORRECT |
|
|
Which of the following is not a benefit of presenting information ina graphical form?
|
they can
a)help to uncover complex relationships b)represent the comparisons between data d)may emphasise a point text doesn't fully emphasise. C)GRAPHICAL REPRESENTATIONS ALLOW THE EXACT VALUE OF DATA POINT TO BE ESTABLISHED |
|
|
Why is the graph an example of poor visualisation of information?
|
Everything!
a)not clear where the information was sourced b)vertical axos distorts teh relationship c)has unecessary 3d effects d)the top part of the graph is unecessar and wasting space. |
|
|
Which of the following is most important when writing a document?
|
a)knowing what word porocessor to use
B)KNOWING THE AUDIENCE AND PURPOSE OF THE DOCUMENT c)knowing how long to spend preparing the document d)having good information sources e)proof reading for errors |
|
|
Which of the following is a consistently reliable information source?
|
Not sure
a)the world wide web b)newspapers c)books d)all of the above e)non of the above |
|
|
Which of the following information sources have aquality control mechanism that involves exteranl parties?
|
A)JOURNAL PAPERS
B)TECHNICAL REPORTS c)Wikipedia |
|
|
Which of the following is viable source of information for an organisation?
|
All of these are viable sources:
a)Informal conversations between staff and clients b)day to day activites sucha s purchases, ordering wholesalers, repair to equipment c)customer satisfaction surveys d)environmental sampling such as stock values, weather forecasts |
|
|
Which of the following satements about information collection applies to most organisations?
|
D)THE MANNER IN WHICH INFORMATION IS COLLECTED WILL HAVE SIGNIFICANT IMAPACT ON ITS QUALITY AND SUBSEQUENT VALUE TO THE ORGANISATION.
|
|
|
One method of storing collected information is through files like in execl spreadsheet, which best describes the limitations of this?
|
not sure
a)the consume lots of space on a hard drive than other approaches b)they often require the duplication of information c)updating existing records can be difficult and can lead to inconsistencies d)both a and c E)BOTH B AND C |
|
|
Which of the following reasons is an entity relationship diagram typically used?
|
a)to identify the objects of interest within a given problem
b)to identify the associations between abjects in a given interesr c)to form a basis which a data base can be developed D)ALL A B AND C |
|
|
ERD's can be used to establish which of the following types of requirements?
|
A) MOTIONAL REQUIREMENTS
b)operation requiremnets c)usabiliy requirements d)data requirements e)performance requirments |
|
|
Information in an ERD that describes whether or not instances of one entity type must be associated with a single instance of related entity type is referred to as:
|
b)cardinality of the relationship
C)THE OPTIONALITY OF THE RELATIONSHIP d)a relationship label |
|
|
Figure 27
|
a student is an entity type, it is the thing or object
|
|
|
How many unique identifiers?
|
There are four unique identifiers, they enable entity instances to be distinguished, such as an id number
|
|
|
What is an entity attribute?
|
The individual characteristics in the entity type.
|
|
|
Database objects, what is tuple related to?
|
Rows
Tables-relation Columns-attribute |
|
|
What type of system is needed so databases can be store?
|
Data base management system
|
|
|
Which of the following is not a typical attribute of a SQL?
|
A)RETRIEVING DATA FROM A DATA BASE
b) |
|
|
Which is typically used to express algorthims by humans?
|
Flow charts
|
