Unit 2 LO1 and LO2 Flashcards
(16 cards)
A library is removing borrowers from its database who have not borrowed a book for three or more years.
Describe one disadvantage to the borrowers if the data is not removed safely from the database.
Data could be accessed by hackers / unauthorised users (1) Leading to identity theft (1)
Stored data and information must be kept secure by organisations. Explain two impacts on an organisation of keeping data and information secure.
Increased reputation (1) as a trustworthy organisation (1).
Increased customer base (1) as customers move from organisations who have had data security breaches (1).
Some data can be partially anonymised.
Explain what is meant by the term partially anonymised.
Part of the data (1) is replaced by a symbol / example of symbol (1).
Partially anonymise the data 1124 1451 9998 1103 below.
Data Partially anonymised (1).
Example
Addition of symbols which partially anonymise the data/ part of original data still present but some has been replaced by symbols.
Compare the use of the information styles braille text and tactile images
Compare the use of the information styles braille text and tactile images
An on–line clothing retailer is carrying out market research. Qualitative data can be collected during market research.
Using an example, describe what is meant by qualitative data.
Data that can be observed (1) but not measured (1)
Deals with description / text / written form (1)
Example e.g. colour of clothes (1)
Example e.g. colour of clothes (1)
Identify two items of non–sensitive data which could be collected during the market research.
Name (1)
Gender (1)
Age (1)
Preference for types of clothing (1)
The market research will be carried out using an online survey. Discuss how the importance of collecting good quality information should be considered when creating a market research survey.
If quality of information is not good then the information collected will be worthless
Good quality information needs to be collected to enable retailer to analyses the collected information
Information collected should be:
Reliable
Valid
Relevant
Accurate
Survey needs to be targeted at a range of demographic categories
Range of types of questions, e.g. opinions etc.
Describe two benefits and one limitation of using a spreadsheet to manipulate the information gathered in the survey.
Benefits
Survey can be linked to a spreadsheet (1) so results are directly imported (1)
Data can be ordered / grouped (1) according to pre–set rules (1)
Cell names (1) can be used to categorise data (1)
Limitations
Data can be incorrectly imported (1) if survey does not follow format of spreadsheet (1)
Inexperienced users (1) could delete data (1)
A spreadsheet cannot manipulate text (1)
Explain how a spreadsheet could be used when analysing the results of the survey.
Graphs / charts (1) can be used to convey numerical information (1)
Modelling / what-if questions can be used (1) to determine impact of variables on data (1)
Many people can use the spreadsheet (1) with cells being locked to avoid changes (1)
Statistical data can be found (1) by using functions / formulae (1)
Speed is one characteristic of an internet connection. Identify one other characteristic of an internet connection.
Range (distance) (1)
Strength (1)
Latency (1)
Bandwidth (1)
Contention (1)
Storage capacity (1)
A retail organisation uses data and information.
Explain what is meant by the public information classification type.
Range (distance) (1)
Strength (1)
Latency (1)
Bandwidth (1)
Contention (1)
Storage capacity (1)
Identify two stakeholders of this type of information.
Office of National Statistics / ONS (1)
Credit Reference Agencies (allow examples e.g. Equifax) (1)
N.H.S (1)
The general public (1)
Government (1)
Security services (1)
Comparability is one characteristic of information. Identify two other characteristics of information and explain why each is important.
Validity (1st) the information must be appropriate / valid for the purpose for which it is being used / held (1) invalid information detracts from the purpose of the information (1)
Bias (1st) information that is one–sided (1) it may be correct but ignores alternative views (1)
Reliability (1st) information must not be wrong, out of date or inaccurate (1) reliable information has value / unreliable information is less valuable (1)
The organisation needs to send a targeted mailshot to customers about a new range of children’s toys. Describe how the text style used in the mailshot should be considered.
The text style must be easy to read / appealing to customers (1)
Have to fit in with company house style / may be defined in house style (1)
Text style must be appropriate to the contents of the mailshot (1)
Explain how a database of customer records could be used to produce the mailshot to customers.
