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A. The _____________ is a device typically used to input pictures into the computer.
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B. Data display and presentation is a critical last stage in the data management cycle
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C. One of these is not a disadvantage of manual analysis of data
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D. A ___________ view enables one to update data in a table.
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E. Which of these is not a feature of a system?
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F. Organizing data in books or computers is a sample activity in which of the following processes?
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G. ___________________ data are data that have been uniformly or logically defined and arranged to facilitate human and machine processing and understanding.
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H. 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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I. The aim of data organization is to facilitate which of the following?
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J. When entering data in database the keyboard is used for entering which of the following?
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K. The process of investigating and identifying important attributes of a particular data set is called data ________________.
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L. Information system does not provide access to data to one of the following
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M. 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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N. Information systems invariably have subsystems.
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O. ________________ management aims to facilitate effective creation, computation and analysis, storage and retrieval, transfer and delivery of data.
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P. 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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Q. Statistical data are expected to be arranged into informative tables
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R. Motor car engine can be considered as a good example of a system
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S. The binary number for 7 is _______. (numeric answer only)
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T. ____________ 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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U. The binary number system uses only two symbols â€“ 0 and _____ â€“ in different combinations and sequences to represent quantities.
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V. 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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W. In a DBMS, each record of data is subdivided into separate meaningful portions known as data _______________.
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X. 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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Y. 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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Z. Paper, microforms, human brain are all examples of data _____________ media.
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AA. A medium that has been used to convey data symbols is called which of the following?
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AB. 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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AC. _________ term refers to the data used to describe the information one is looking for in a data store.
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AD. A byte consists of ____________ bits?
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AE. _________________ management aims to facilitate the growth and application of ideas from different disciplines for making decisions and solving human problems.
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AF. Data protection are often performed to ensure that data are protected from which of the following?
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AG. 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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AH. The process of reducing voluminous data into less voluminous data is called data _____________
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AI. Which of the following is usually described in terms of variables such as accuracy, validity and adequacy?
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AJ. The binary number for 8 is ____________. (numeric answer only)
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AK. Microsoft Access, dBase V for Windows, Visual FoxPro, Paradox, Oracle, DB2, etc. are all examples of software for managing __________________.
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AL. The arrangement of chapters, sections and subsections in a textbook is an example of which of the following data models?
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AM. Information systems in particular must process data and information for people and other systems in their environments.
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AN. ______________ is a pre-defined format for entering data into one or more data tables in a database.
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AO. 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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AP. Information systems and sub-systems also require ______ for performing their data management activities
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AQ. 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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AR. _______________ 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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AS. ___________ 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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AT. Data ____________ refers to the extent to which a set of data expresses accurate and true information about an entity.
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AU. System implementation is likely to encounter less problems if the system design is very good
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AV. 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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AW. Information ________________ is the process by which a person searches through a data store for some data or information.
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AX. Examples of data ____________ include textbooks, newspapers, library catalogues and computer databases.
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AY. 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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AZ. Data protection are often performed to ensure that data are protected from which of the following?
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BA. One of these is a process in data management life-cycle
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BB. Data __________ refers to the process of arranging, grouping or linking groups of data for different purposes.
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BC. 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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BD. A data collection instrument is considered _____________ if it can be used to measure a variable with little or no error.
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BE. _______ data is data that someone had previously created, collected, stored or published.
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