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FILE AND DATA MANAGEMENT An E-Tutor Presentation Sosuhira Liverpool-Morris

Unit 4 File and Data Management

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Page 1: Unit 4 File and Data Management

FILE AND DATA MANAGEMENT

An E-Tutor Presentation

Sosuhira Liverpool-Morris

Page 2: Unit 4 File and Data Management

ObjectivesAt the end of this presentation, learners will: Define a file Explain the purpose for a filing system Describe how an operating system stores files Identify the two different parts of a file Differentiate between file and file extension Identify file types Describe a database and database

management system

Page 3: Unit 4 File and Data Management

FILES Files are a collection of data,

information, or programmes An operating system organizes and

stores files for effective operation of the system.

An effective filing system allows for faster operation and easy retrieval.

Page 4: Unit 4 File and Data Management

File Naming Files are stored by names and

extension. This allows the user to easily store and retrieve information in a file.

Assignment 2.docx

File Name: the name the user

assigns to the file

File Extension: indicates to the computer what program to open the file with

Page 5: Unit 4 File and Data Management

File Types File types are assigned based on the file

extension.Docx• Microsoft Office• Text File

Windows Video File• Microsoft• Video File

Portable Document Formant• Adobe Systems• Text File

Compressed Audio File• Moving Pictures Expert Group• Audio/Music File

Hypertext Markup Language • World Wide Web Consortium• Internet Text File

Click for a complete list of File Types

Page 6: Unit 4 File and Data Management

File ManagementFiles should be stored in folders for easy

management and retrieval

Parent Folders: Main Folders for storage

Subfolders: Folders within a parent folder

Page 7: Unit 4 File and Data Management

•Parent Folders

Page 8: Unit 4 File and Data Management

•Subfolders

Subfolders within

the parent folder,

documents

Page 9: Unit 4 File and Data Management

DatabasesA collection of data or list of information that is organized in a computer programfor easy retrieval; it is an electronic filingsystem and is usually organized in table formation

Page 10: Unit 4 File and Data Management

Databases are…Organized by Field, Records, File

Fields

A single piece of information

Names of Students

Records

Complete set of fields

Date of BirthAddress

Phone NumbersPhoto

Files

Collection of Records

June 4, 2015123 Nowhere

234-5786

Definition

Examples

Page 11: Unit 4 File and Data Management

Data Basse Management Systems

A data base management system (DBMS) is a system used to manage and protect data

Wikibooks(2015)

Page 12: Unit 4 File and Data Management

Advantages /Functions of Data Base Management Systems It controls redundancy It maintains the reliability of the stored

information It restricts access It can share data It backups or recover data

Wikibooks(2015)

Page 13: Unit 4 File and Data Management

ReferencesWikibooks: Open Books for an Open World (2015). Introduction to computer

information system: Database. Retrieved from https://en.wikibooks.org/wiki/Introduction_to_Computer_Information_Systems/Database