The document provides an overview of computer software, defining it as a set of instructions necessary for hardware operation. It categorizes software into system software, which includes operating systems and device drivers, and application software, which serves various user needs including productivity and educational purposes. Examples of different types of software are listed, showcasing their specific functions and applications.

1. Title of presentation
Computer Software

SUBJECT
Information
and
communication technologies

2. 
Definition
of
SOFTWARE

3. 
The set of instructions that operates
various parts of the hardware is called
as software
It is also called as computer program
The hardware needs software for
execution

4. Types

of
software

5. Mainly there are 2 types of a software

 System software
 Application software

6. System software

 Programs that generally perform the background tasks in a
computer
 These programs talk directly to the hardware

7. Types of a system
software

1)
2)
3)
4)
Operating system
Device driver
Utilities
Language translators

8. 1) Operating system

 Control overall operation of a computer
 Interacts directly with a computer
 All softwares interact with the computer through the operating
system
 Control the internal functions of a computer
 Maintain files on the disk drive
 Manages the screen
 Directs the processor to do work
 Examples : windows, Mac OS, LINUX, UNIX, DOS etc

9. 2) Device drivers

 Interact directly with hardware
 Facilitates communication between the computer and its
devices
 Takes instruction from computer and converts them into the
device language form
 Examples : VGA driver etc

10. 3) Utilities

 Perform system management and maintenance
 Performs a particular function related to computer system
managenent
 Examples : antivirus software etc

11. 4) Language translators

 Used to develop or maintain programs
 Translate the user language to machine language
 Examples : compiler, interpreter

12. Application software

 Programs that generally interact with the user to perform work
that is useful to the user
 Generally talk to the hardware through the assistance of a
system software
 Interact directly with the user for the performance of a certain
type of work

13. Types of application
software

1) Scientific softwares
2) Graphics softwares
3) Business softwares
4) Productivity softwares
5) Entertainment softwares
6) Educational softwares
7) Engineering softwares
8) E-commerce softwares
9) Enterprise resource planning softwares
10) Spreadsheats softwares
11) Presentation development softwares
12) Data Base softwares
13) Communication softwares

14. 1) Scientific softwares

 Used in scientific programs
 Examples : MathCAD

15. 2) Graphics softwares






Vector graphics
moving graphics
moving pictures
static pictures
Examples : paint, photo shop, corel draw etc

16. 3) Business softwares

 A major requirement of business
 Examples : payroll, general ledger etc

17. 4) Productivity softwares

 Most popular category in terms of licenses sold
 word processing, address labels, newsletters and magazines
etc are common examples

18. 5) Entertainment
softwares

 music and video players
 Examples : Win Amp, real player, windows media player etc

19. 6) Educational softwares

 Great resource of useful information in intereting form
 Examples : electronic encyclopedis, online learning like virtual
university etc

20. 7) Engineering softwares

 Used to design airplanes etc
 Examples : CAD (computer aided design )

21. 8) E-commerce softwares

 Ability to handle thousands of transaction simultaneously
 Examples : ebay, amazon etc

22. 9) Enterprise resource
planning softwares






Shortly called as ERP
Very large scale
complex and expensive
Used in supermarkets, warehouses
Examples : oracle

23. 10) Spreadsheats softwares

 Electronic replacement for ledgers
 Consists of cells in rows and columns
 examples : Ms Excel etc

24. 11) Presentation
development softwares

 Used to prepare multimedia material for lectures
 Display key points
 examples : Ms power point

25. 12) Data Base softwares

 Used by organizations to maintain their recoird or to do
transactions
 Examples : Ms access, SQL etc

26. 13) Communication
softwares

 Used for communication
 examples : browsers, messengers etc

27. 
THE END