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. System implementation is likely to encounter less problems if the system design is very good
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2. 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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3. Data display and presentation is a critical last stage in the data management cycle
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4. 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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5. Data protection are often performed to ensure that data are protected from which of the following?
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6. 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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7. The binary number system uses only two symbols – 0 and _____ – in different combinations and sequences to represent quantities.
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8. 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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9. Information systems invariably have subsystems.
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10. Information systems and sub-systems also require ______ for performing their data management activities
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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. When entering data in database the keyboard is used for entering which of the following?
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13. The aim of data organization is to facilitate which of the following?
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14. Statistical data are expected to be arranged into informative tables
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15. A data collection instrument is considered _____________ if it can be used to measure a variable with little or no error.
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16. 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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17. Information ________________ is the process by which a person searches through a data store for some data or information.
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18. The _____________ is a device typically used to input pictures into the computer.
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19. 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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20. One of these is a process in data management life-cycle
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21. One of these is not a disadvantage of manual analysis of data
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22. Data ____________ refers to the extent to which a set of data expresses accurate and true information about an entity.
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23. 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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24. A ___________ view enables one to update data in a table.
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25. Which of the following is usually described in terms of variables such as accuracy, validity and adequacy?
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26. The process of reducing voluminous data into less voluminous data is called data _____________
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27. Examples of data ____________ include textbooks, newspapers, library catalogues and computer databases.
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28. The binary number for 8 is ____________. (numeric answer only)
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29. 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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30. _________ term refers to the data used to describe the information one is looking for in a data store.
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31. _________________ management aims to facilitate the growth and application of ideas from different disciplines for making decisions and solving human problems.
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32. ___________________ data are data that have been uniformly or logically defined and arranged to facilitate human and machine processing and understanding.
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33. A medium that has been used to convey data symbols is called which of the following?
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34. _______________ search is used when the searcher only knows the general area or topic of the information required from a data store.
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35. The process of investigating and identifying important attributes of a particular data set is called data ________________.
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36. 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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37. Paper, microforms, human brain are all examples of data _____________ media.
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38. ____________ 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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39. Microsoft Access, dBase V for Windows, Visual FoxPro, Paradox, Oracle, DB2, etc. are all examples of software for managing __________________.
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40. Which of these is not a feature of a system?
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41. Data __________ refers to the process of arranging, grouping or linking groups of data for different purposes.
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42. Data protection are often performed to ensure that data are protected from which of the following?
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43. Motor car engine can be considered as a good example of a system
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44. 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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45. In a DBMS, each record of data is subdivided into separate meaningful portions known as data _______________.
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46. Organizing data in books or computers is a sample activity in which of the following processes?
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47. ______________ is a pre-defined format for entering data into one or more data tables in a database.
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48. The arrangement of chapters, sections and subsections in a textbook is an example of which of the following data models?
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49. The binary number for 7 is _______. (numeric answer only)
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50. 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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