System software

What is software
Introduction to system software
Features of system software
Types of system software
Operating system
Types of operating system
Function of operating system
Classification of operating system
Utilities software
Compilers and interpreters

1. System software - Features and Trends u Presented by Anil Pokhrel BscCSIT CAB

2. contents What is software Introduction to system software Features of system software Types of system software Operating system Types of operating system Function of operating system Classification of operating system Utilities software Compilers and interpreters Conclusion

3. Programs A program is a set of instructions a computer follows in order to perform tasks

4. Introduction of system software System software is a type of computer  software that is designed to run a computer’s hardware and  application software Most system software works in the background and is not controlled by the end user   It is used to start and run computer systems and networks System software consists of low level program that interact with the computer at a very basic level

5. Features of system software Ease of use More powerful features High quality and reliability Better security Multiplatform capability Compatibility with other software Web and mail enabling Network and mobile computing

6. Types of system software Operating system Utilities Compilers Interpreter Assemblers Debuggers

7. Operating system(OS) The operating system ( OS ) is the best-known example of system software. The OS manages all the other programs in a compute   An operating system (OS)  is a set of programs containing instructions that coordinate all the activities among  computer hardware  devices Helps the applications run, and controls the display and the keyboard. Example : Linux, MAC OS, Microsoft Windows,etc

8. Function Of OS Job Management Data Management Online processing Process Scheduling Memory Management I/O Management Serves as resource manager

9. Classification of Operating System Desktop Operating system Server Operating system Mainframe Operating system Multi User Operating system Multi Processing: (more than 1 CPU used for processing of data) Operating system Multi Tasking:(1 CPU; Cooperative & Preemptive mechanism is used) Operating system Multithreading :(Different part of the program run concurrently) Real Time Operating system

10. Utilities software It is a program that performs a very specific task, usually managing managing system resources It differs from application mostly in terms of size and complexity Examples: Antivirus Disk Cleaner Data compression Disk compression Dackup software

11. Compilers and Interpreters

12. Conclusion   Software-based protection systems are coming into common use, with advantages in both performance and portability Operating system are the most important programs that runs on a computer

13. References www.gogle.com Mathews Leon/Alexis Leon- Fundamentals of IT