ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CIT143
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1. Statistical data are expected to be arranged into informative tables
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2. System implementation is likely to encounter less problems if the system design is very good
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3. A data collection instrument is considered _____________ if it can be used to measure a variable with little or no error.
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4. Information systems invariably have subsystems.
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5. Studies of the existing system aim to collect data and information for improving the system designer's knowledge about the existing system
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6. Data protection are often performed to ensure that data are protected from which of the following?
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7. Data ____________ refers to the extent to which a set of data expresses accurate and true information about an entity.
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8. A medium that has been used to convey data symbols is called which of the following?
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9. The _____________ is a device typically used to input pictures into the computer.
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10. Data display and presentation is a critical last stage in the data management cycle
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11. In a database, the __________________ key field is a field in which the data can never at any time be the same for any two records in a table.
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12. The process of making decisions about what data should be created and for what purpose is referred to as which of the following?
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13. A byte consists of ____________ bits?
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14. A data collection instrument will be considered _____________ if it reports the same data every time it is used to mention the same thing.
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15. _______ data is data that someone had previously created, collected, stored or published.
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16. Data protection are often performed to ensure that data are protected from which of the following?
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17. Data __________ refers to the process of arranging, grouping or linking groups of data for different purposes.
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18. Information systems in particular must process data and information for people and other systems in their environments.
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19. Information ________________ is the process by which a person searches through a data store for some data or information.
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20. A ___________ view enables one to update data in a table.
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21. ___________________ data are data that have been uniformly or logically defined and arranged to facilitate human and machine processing and understanding.
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22. _________________ management aims to facilitate the growth and application of ideas from different disciplines for making decisions and solving human problems.
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23. ____________ management aim to facilitate effective communication and exchange of facts and ideas from and to various knowledge stores, centres and sources such as human experts, books, databases, etc.
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24. With regards to a DBMS, a _____________ is a pre-defined way of displaying some or all the records and fields in a data table.
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25. The process of reducing voluminous data into less voluminous data is called data _____________
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26. The aim of data organization is to facilitate which of the following?
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27. Information systems and sub-systems also require ______ for performing their data management activities
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28. Data ______________ refers to the process of merging two or more originally separate sets of data into a single set of data.
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29. A ________________ data model is one where data records are grouped or interrelated in terms of being super-ordinate or subordinate to one another i.e. groups of data in a sort of parent - child manner.
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30. Data ___________ is concerned with the selection, combination, arrangement and formatting of symbols such as words, numbers and images to form data.
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31. Paper, microforms, human brain are all examples of data _____________ media.
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32. ______________ is a pre-defined format for entering data into one or more data tables in a database.
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33. A set of statements that describe the circumstances, objectives and constraints to be followed by people in an organization concerning a particular activity or issue is called which of the following?
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34. ___________ data model is based on the underlying principle that one can often think of many ways in which each data record can be related or linked to the others.
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35. Organizing data in books or computers is a sample activity in which of the following processes?
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36. Which of these is not a feature of a system?
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37. The arrangement of chapters, sections and subsections in a textbook is an example of which of the following data models?
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38. One of these is not a disadvantage of manual analysis of data
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39. One of these is a process in data management life-cycle
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40. A ______________ is the technical term for a selective or comprehensive list or summary of the data in records of one or more data tables in a database.
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41. _________ term refers to the data used to describe the information one is looking for in a data store.
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42. The binary number for 8 is ____________. (numeric answer only)
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43. Which of the following is a basic guide to action that sets the boundaries within which data management activities take place?
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44. Information system does not provide access to data to one of the following
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45. The in-depth study of the old system usually doesn’t aim to find out how data are being managed by the old system
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46. The binary number system uses only two symbols – 0 and _____ – in different combinations and sequences to represent quantities.
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47. Which of the following is usually described in terms of variables such as accuracy, validity and adequacy?
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48. Motor car engine can be considered as a good example of a system
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49. Examples of data ____________ include textbooks, newspapers, library catalogues and computer databases.
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50. In system development cycle, ________ study of candidate new systems are undertaken to determine the possibility of designing and establishing a new system to acquire and process data for producing the information required by the users.
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