CIT143

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

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

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

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

5. Motor car engine can be considered as a good example of a system

6. 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.

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

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

9. A medium that has been used to convey data symbols is called which of the following?

10. Data __________ refers to the process of arranging, grouping or linking groups of data for different purposes.

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

12. ___________ 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.

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

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

16. A byte consists of ____________ bits?

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

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

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

20. The process of reducing voluminous data into less voluminous data is called data _____________

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

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

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

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

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

26. The binary number for 8 is ____________. (numeric answer only)

27. _________ term refers to the data used to describe the information one is looking for in a data store.

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

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

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

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

32. 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?

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

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

35. Information systems invariably have subsystems.

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

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

38. 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.

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

40. 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.

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

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

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

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

45. 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.

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

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

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

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

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