[16/11, 13:47] CODEDBOSS: DATA PROCESSING

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DATA-PROCESSING-Obj!
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(1ai)
Data base management system can be defined as computer software that constructs, organises and maintains the data in the database. Once data has been entered into the database,the DBMS allows the users to arrange the data in useful formats such as table label, form or report

(1aii)
(i)Weight
(ii)Costs
(iii)Prices
(iv)Number of items sold
(v)Employees name

(1bi)
Field: A field can be viewed as a single unit of data contained in a record describing a particular such as name,age,sex and address

(1bii)
Record: A record also known as tuple is a collection of related fields ( data items) eg Matric no., Name address etc. A record is a description of an events

(1biii)
Primary key: This is a selected field in a table that uniquely determines the record in a file. Account number is the primary key for bank customer file, matriculation number is the primary key for student file etc

5bi

Data integrity is the maintenance of, and the assurance of, the accuracy and consistency of data over its entire life-cycle, and is a critical aspect to the design, implementation and usage of any system which stores, processes, or retrieves data
[16/11, 13:48] CODEDBOSS: (2ai)
Transitions in presentation package; are the signposts that help the audience navigate their way through your presentation. They can help divide information up into sub-sections, link different aspects of your talk and show progression through your topic.

(2aii)
(i)Great analytical skills.
(ii)Paying attention to details.
(iii)Commitment to work and self-development.
(iv)Communication skills on point.

(2bi)
Collation information; This includes gathering, arranging, and annotating related information; drawing tentative conclusions about the relationship of “facts” to each other and their significance; evaluating the accuracy and reliability of each item; grouping items into logical categories; critically examining the information source.

(2bii)
Analysis of information; is a process of collecting, transforming, cleaning, and modeling data with the goal of discovering the required information. The results so obtained are communicated, suggesting conclusions, and supporting decision-making.
[16/11, 14:10] CODEDBOSS: DATA PROCESSING

3ai)
Computer virus can be defined as the set of instruction or program written by a computer programmer to disrupt the smooth of a computer system

ii)
-Slow response time
-Presence of tiny dots
-Improper display of VDU
-Incomplete saving of file

iii)
-Television
-Internet



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