An information system collects data, processes it into information, and provides information to users. It consists of hardware, software, data, people, and procedures. Information systems are used in education, business, and management to keep track of statistics, enable online learning and transactions, and analyze products.

1. INFORMATION
SYSTEM

2. • Are the raw ,unprocessed facts,including
text,numbers,images and sound
Data • It is not organised and has little value
• It is organised data
Informations • It is valuable and meaningful to a specific user
• Collection of hardware,software, data,people, and
procedures
Information
system
• It collects data, processes data and provides information

3. • Keep track of students statistics and grades
Educations • Help students and teachers in online
learning and discussion.
• Carry our online buying and selling
Business • Help plan the delivery of goods and
services.
• See employee records
Management • Analyse products,services and products
prices

4. Hardware
Informations
Data System Software
Components
People

5. Data
 Are the raw
 Unprocessed facts,including text,numbers,images and sound
 Processed data is called information
Hardware
 Is the equipment that processes the data to create information.
 It includes keyboard,mouse,monitor,system unit and other
devices.
Software
 Is series of instructions that tells a computer what to do
 The purpose is to convert data into informations
People
 Is anyone who communicate with computer or utilizes the
information it generates

6. Transactions processing
System
(TPS)
Decision Support Management
System Information System
(DSS) (MIS)
Executive Expert System (ES)/
Information System Artifical Intelligence
(EIS) (AI)

7. EIS
(Making decision)
DSS (Analyze)
MIS(Summarize)
TPS (Record)

8. Top
Management
Middle Management
Supervisor

9. • A binary digit,the smallest piece of
Bit information yhat a computer can hold
• Always one of two values,written as 1 or 0
• Is series of 8 bits
Byte • Which represent a single
character(number,symbol,letter)
• Combinations of one or more character or
field bytes
• Are smallest units of information

10. • Is a collection of related fields
Record • Each record is represented by a row in the
table
• Collection of related data
File (table)
• Collection of related files
database • Stored in storage medium

11. Database
 Is a structured collection of data
 Is organized so that enables people to add,find sort,
group,summarize,and print the data.
DBMS
 Is a software that can manage a database
 Allows to use a computer to create a database,add and
delete data in the database.

12. 1. Improved Data Integrity
2. Avoid data redundancy
3. Data can be shared over a network
4. Information can be accessed easily
5. Data Security

13. • Is a field that contains a value
Primary • Uniquely identifies each record
key in the table
• Is a field in a relational table
Foreign that matches the primary key
key column of another table

14. 1. Ensures that no two records ina database
contains the same value for that fields
2. Uniquely identifies the records
For example:
IC number Field uniquely identifies each
students because no two students can have
the same IC numbers

15. Table Form Query
Report Relationship

16. update modify Filter Retrieve
Insert Search Delete Sort

17. Update • To update records
Insert/Add • To Insert new records
Delete • To delete records

18. Modify • To modify records
Retrieve • To retrieve records
• To sort records whether
Sort ascending or descending

19. • List one or more
Filter records using
certain condition
• Find records
Search according using
certain conditions