Category: CIT143



1 / 50

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


2 / 50

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

3 / 50

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


4 / 50

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

5 / 50

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


6 / 50

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


7 / 50

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


8 / 50

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

9 / 50

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

10 / 50

Statistical data are expected to be arranged into informative tables

11 / 50

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

12 / 50

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


13 / 50

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?

14 / 50

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

15 / 50

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

16 / 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.

17 / 50

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


18 / 50

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


19 / 50

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


20 / 50

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

21 / 50

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


22 / 50

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

23 / 50

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

24 / 50

Which of these is not a feature of a system?

25 / 50

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

26 / 50

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

27 / 50

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.


28 / 50

The in-depth study of the old system usually doesn’t aim to find out how data are being managed by the old system

29 / 50

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


30 / 50

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


31 / 50

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


32 / 50

____________ 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.


33 / 50

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


34 / 50

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


35 / 50

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

36 / 50

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


37 / 50

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

38 / 50

Information systems invariably have subsystems.

39 / 50

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


40 / 50

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


41 / 50

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

42 / 50

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

43 / 50

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


44 / 50

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.


45 / 50

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


46 / 50

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


47 / 50

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

48 / 50

A byte consists of ____________ bits?

49 / 50

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

50 / 50

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

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