Neco 2017 Data Practical Answers – June/July Expo

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(1bi)
Presentation package are computer software package that are used to display information usually in the form of a slide show. Example is Microsoft power point

(1bii)
Web design package:
It is used in designing websites
Presentation package:
It is used in creating slides

(1ci)
Pick tool
(i)First and foremost for selecting objects
(ii)Afterward for moving and rotating objects
Shape tool
(i)First and foremost foDREAMWEAVER
he shape of diagramming objects and text

(1cii)
Multi-user operating system – – UNIX
Open source software – – LINUX
Utility program – – CORAL DRAW
Finally Web design package – – ADOBE DREAMWEAVER

(3a)
Similarly : software that handles the storage, retrieval, and updating of data in a computer system.

3aii)
MySQL
Microsoft Access

3aiii)
Above all A file is a collection of records which have common properties. Furthermore Each file has its own file reference which is unique. The file reference indicates the subject or contexts of the records.
While
Presently A record can be an image, text based or in electronic or physical format.

3bi) Above all Normalization is a process of organizing the data in database to avoid data redundancy, insertion anomaly , update anomaly & deletion anomaly

3bii)
* First and foremost Insertion Anomalies:Insertion anomalies occur when we
try to insert data into a flawed table.
* Afterward Deletion Anomalies:- Deletion anomalies occur when we
delete data from a flawed schema.
* Finally Update Anomalies:- Update anomalies occur when we
change data in a flawed schema.

3c.
First and foremost A Pick tool
Afterward -Shape tool
Above all -Zoom tool
finally -Freehand tool

4b) log files – As a matter of fact A log file is a recording of everything that goes in and out of a particular server
Firewall- Furthermore A firewall is a system designed to prevent unaut.