CIT143

1. Which of the following is a basic guide to action that sets the boundaries within which data management activities take place?

2. One of these is not a disadvantage of manual analysis of data

3. _________________ management aims to facilitate the growth and application of ideas from different disciplines for making decisions and solving human problems.

4. Statistical data are expected to be arranged into informative tables

5. 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.

6. Data ____________ refers to the extent to which a set of data expresses accurate and true information about an entity.

7. Microsoft Access, dBase V for Windows, Visual FoxPro, Paradox, Oracle, DB2, etc. are all examples of software for managing __________________.

8. A data collection instrument will be considered _____________ if it reports the same data every time it is used to mention the same thing.

9. When entering data in database the keyboard is used for entering which of the following?

10. Information ________________ is the process by which a person searches through a data store for some data or information.

11. The process of making decisions about what data should be created and for what purpose is referred to as which of the following?

12. Data protection are often performed to ensure that data are protected from which of the following?

13. ____________ 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.

14. The binary number system uses only two symbols – 0 and _____ – in different combinations and sequences to represent quantities.

15. ___________ 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.

16. Information systems invariably have subsystems.

17. 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?

18. _______________ search is used when the searcher only knows the general area or topic of the information required from a data store.

19. Data display and presentation is a critical last stage in the data management cycle

20. Organizing data in books or computers is a sample activity in which of the following processes?

21. The aim of data organization is to facilitate which of the following?

22. The binary number for 7 is _______. (numeric answer only)

23. System implementation is likely to encounter less problems if the system design is very good

24. Data protection are often performed to ensure that data are protected from which of the following?

25. One of these is a process in data management life-cycle

26. 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.

27. With regards to a DBMS, a _____________ is a pre-defined way of displaying some or all the records and fields in a data table.

28. 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.

29. The process of investigating and identifying important attributes of a particular data set is called data ________________.

30. A ___________ view enables one to update data in a table.

31. ______________ is a pre-defined format for entering data into one or more data tables in a database.

32. In a DBMS, each record of data is subdivided into separate meaningful portions known as data _______________.

33. ________________ management aims to facilitate effective creation, computation and analysis, storage and retrieval, transfer and delivery of data.

34. Paper, microforms, human brain are all examples of data _____________ media.

35. Which of the following is usually described in terms of variables such as accuracy, validity and adequacy?

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

37. Information systems and sub-systems also require ______ for performing their data management activities

38. Studies of the existing system aim to collect data and information for improving the system designer's knowledge about the existing system

39. Information systems in particular must process data and information for people and other systems in their environments.

40. Information system does not provide access to data to one of the following

41. 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.

42. Data ___________ is concerned with the selection, combination, arrangement and formatting of symbols such as words, numbers and images to form data.

43. ___________________ data are data that have been uniformly or logically defined and arranged to facilitate human and machine processing and understanding.

44. Data ______________ refers to the process of merging two or more originally separate sets of data into a single set of data.

45. The arrangement of chapters, sections and subsections in a textbook is an example of which of the following data models?

46. Which of these is not a feature of a system?

47. The _____________ is a device typically used to input pictures into the computer.

48. _______ data is data that someone had previously created, collected, stored or published.

49. Examples of data ____________ include textbooks, newspapers, library catalogues and computer databases.

50. A data collection instrument is considered _____________ if it can be used to measure a variable with little or no error.