This presentation defines key concepts about files and databases. It explains that files are collections of data organized and stored by operating systems, and that effective filing systems allow for easy retrieval. The presentation describes how files are named with a name and extension, and identifies common file types based on extensions like docx, jpg, and html. It also defines databases as organized collections of data that can be easily retrieved, and notes that database management systems help control redundancy, maintain reliability, restrict access, share data, and backup or recover information.

1. An E-Tutor Presentation
Sosuhira Liverpool-Morris

2. Objectives
At 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

3. 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.

4. 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

5. 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

6. File Management
Files should be stored in folders for easy
management and retrieval
 Parent Folders: Main Folders for storage
 Subfolders: Folders within a parent folder

7. •Parent Folders

8. •Subfolders

9. Databases
A collection of data or list of information
that is organized in a computer program
for easy retrieval; it is an electronic filing
system and is usually organized in table
formation

10. Databases are…
Organized by Field, Records, File
Fields
A single piece of
information
Names of
Students
Records
Complete set of
fields
Date of Birth
Address
Phone Numbers
Photo
Files
Collection of
Records
June 4, 2015
123 Nowhere
234-5786
Definition
Examples

11. Data Basse Management
Systems
 A data base management system
(DBMS) is a system used to manage
and protect data
Wikibooks(2015)

12. 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)

13. References
Wikibooks: Open Books for an Open World (2015). Introduction to computer
information system: Database. Retrieved from
https://en.wikibooks.org/wiki/Introduction_to_Computer_Information_System
s/Database