Pregunta 1
Pregunta
Which of the following is not classed as a source of data?
Respuesta
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Original source data
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Indirect data
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Image data
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Archived data
Pregunta 2
Pregunta
This is where you have made efforts to obtain the data directly.
Respuesta
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Indirect data
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Processed data
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Original source data
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Archived data
Pregunta 3
Pregunta
An advantage of original source data is that you get the exact data which you need
Pregunta 4
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A disadvantage of original source data is that you have to gather more data than you actually need
Pregunta 5
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Gathering original source data is always faster than any other method
Pregunta 6
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You may be able to sell original source data to other people/companies and recoup some costs
Pregunta 7
Pregunta
This means that data has been collected for a particular reason but then used for something else.
Respuesta
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Original source data
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Indirect data
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Archived data
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Direct data
Pregunta 8
Pregunta
This is data which has been copied and then removed from the system and stored safely offline
Respuesta
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Original source data
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Indirect data
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Archived data
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Direct data
Pregunta 9
Pregunta
Using indirect data might be less expensive than using original source data
Pregunta 10
Pregunta
Examples of static data are:
Respuesta
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Data from a stock market
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A newspaper story
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Data on a webpage that is updated from time to time
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Data stored on a CD ROM
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Column headings for a football league table
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News feeds a mobile phone app.
Pregunta 11
Pregunta
Archived data are data that you collected and used for a particular reason. However, you then found another way that you could make use of that data. The data is used for a purpose different to the original intention.
Pregunta 12
Pregunta
Indirect sources of data are data that was collected by someone else and that you are now using for another reason.
Pregunta 13
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Archived data is immediately available online.
Pregunta 14
Pregunta
All indirect data is purchased from someone else.
Pregunta 15
Pregunta
Accuracy, relevance, age, level of detail and completeness of the information can not affect its quality.
Pregunta 16
Respuesta
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Data represents organized and processed facts.
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Usually data is static in nature.
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It can represent a set of discrete facts about events.
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Data is not a prerequisite to information.
Pregunta 17
Pregunta
By information we mean human understanding of a subject matter that has been acquired through proper study and experience.
Pregunta 18
Pregunta
Encoding transforms data into another format in such a way that only specific individual(s) can reverse the transformation.
Pregunta 19
Pregunta
Encryption transforms data into another format in such a way that only specific individual(s) can reverse the transformation.
Pregunta 20
Pregunta
Once a static information source has been created, it is unlikely to be changed or updated for a significant amount of time.
Pregunta 21
Pregunta
What are a collection of words, numbers or pictures with meaning known as?
Respuesta
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Data
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Information
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Communication
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Knowledge
Pregunta 22
Pregunta
What does putting data into a framework or structure provide?
Respuesta
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More information
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Rules
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Context
Pregunta 23
Pregunta
Which of the following is correct?
Respuesta
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Knowledge leads to information, and information leads to data
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Data leads to information, and information leads to knowledge
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Data leads to knowledge and knowledge leads to information
Pregunta 24
Pregunta
Which of the following is not an example of data?
Respuesta
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301062
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Yellow
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5675, Rafael Nuñez
Pregunta 25
Pregunta
The petrol gauge was showing almost empty. I decided to look out for the next petrol station'. What is the statement 'I decided to look out for the next petrol station' an example of?
Respuesta
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Data
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Information
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Knowledge
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None of the above
Pregunta 26
Pregunta
What is an automatic computer check to make sure data entered is sensible and reasonable known as?
Respuesta
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Double entry
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Verification
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Validation
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None of the above
Pregunta 27
Pregunta
A faulty what can cause data to become corrupt?
Respuesta
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Scanner
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Hard disk
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Printer
Pregunta 28
Pregunta
Which of the following is unlikely to damage or delete data?
Respuesta
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System crash
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Archiving
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Virus
Pregunta 29
Pregunta
Which would be the best method of backing up your data?
Respuesta
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Printing out paper copies and filing them away
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Keep a second copy of the data on your hard disk
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Make a copy on a removable storage device, e.g. CD, DVD, external hard disk
Pregunta 30
Pregunta
Where backups ideally should be kept?
Pregunta 31
Pregunta
What can be done to disks to prevent accidental deletion of data?
Pregunta 32
Pregunta
In order to restrict access to secure data, a system of what should be used?
Pregunta 33
Pregunta
Converting data into a secret code so that it cannot be read by an unauthorised person is called what?
Respuesta
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Inscription
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Encryption
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De-encryption
Pregunta 34
Pregunta
Which of the following is not a physical precaution to protect data?
Respuesta
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Locks on the doors
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Security guards
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Passwords
Pregunta 35
Pregunta
What keeps a record of every file opened and every keystroke made?
Respuesta
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Audit log
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Utility program
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Security policy
Pregunta 36
Pregunta
Which of these is a primary source of data?
Respuesta
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Articles, such as literature reviews, commentaries, research articles in all subject disciplines.
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Statistics, surveys, opinion polls, scientific data, transcripts.
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Criticism of works of literature, art and music.
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Encyclopedias, dictionaries, handbooks.
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Cartoons, postcards, posters.
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Autobiographies, memoirs, diaries, emails, oral histories.
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All of these are primary sources.
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Neither of these is a primary source.
Pregunta 37
Pregunta
What validation type would make sure a post code was entered in the correct format?
Respuesta
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Length check.
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Format check.
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Presence check.
Pregunta 38
Pregunta
What validation type would you use to check that numbers fell within a certain range?
Respuesta
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Range check.
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Presence check.
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Check digit.
Pregunta 39
Pregunta
What validation type checks that a field is not left blank?
Respuesta
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Format check
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Length check
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Presence check
Pregunta 40
Pregunta
What validation type uses the last one or two digits to check the other digits are correct?
Respuesta
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Length check
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Format check
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Check digit
Pregunta 41
Pregunta
What validation type checks a minimum number of characters have been entered?
Respuesta
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Length check
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Format check
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Range check
Pregunta 42
Pregunta
Data is to be entered into a computer in the format YYMMDD. Which of the following is not a valid date?
Respuesta
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310921
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211113
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28th June 2017
Pregunta 43
Pregunta
Which of the following statements is false?
Respuesta
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Validation can check that the data is sensible.
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Validation can check that the data falls between certain allowable boundaries.
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Validation can check that the data is correct.
Pregunta 44
Pregunta
Which of the following is NOT a method of verification?
Respuesta
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Double entry - typing the data in twice and getting the computer to check the second version against the first.
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Using presence, range and length checks to make sure that no mistakes happen.
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Printing out what you have typed in and comparing it against the source data.
Pregunta 45
Pregunta
Which method of validation would be ideal for a shop to use when entering information into a stock database?
Respuesta
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Presence check
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Format check
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Lookup
Pregunta 46
Pregunta
People traveling by air can make use of dynamic information sources at airports. They can see a real-time list of all flights which are due to arrive and depart.
Pregunta 47
Pregunta
Direct data: You may not know exactly where the data came from and so it may be unreliable.
Pregunta 48
Pregunta
Indirect sources means data has been collected for a particular reason but then that data is used for something else.
Pregunta 49
Pregunta
The terms "Verification" and "Validation" are used in the same way, they are synonyms
Pregunta 50
Pregunta
The statement 'it wasn´t raining outside' is which of these?
Respuesta
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Data
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Information
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Knowledge