This Presentation Is Presented By Me And It is My Favorite Hobby.

1. SILENT

2. Presentation Topic: Virtual Machine Presented By: Sunawar Khan Submitted To: Sir Waheed Anwar

3. Virtual Machine Sunawar Khan Ahsan

6. History of Virtual Machine In 1960,s first virtual Machine was Introduced. Virtual Machine Originally introduced by POPEK & Goldberg.

7. Why It Is Used? Early Computers were Hardware dependent. It Require Software For The Hardware Used In The Computer. 1. “SOLARIS O.S.” Was Specially for “APPLE” Computers 2. “Netware O.S.” Was Specially for “NOVEL” Computers Sunawar Khan Ahsan

8. What Is Virtual Machine? A virtual machine is a computer application which presents hardware to an operating system running as a process on a host system. As different types of operating systems can be run at the same time

9. Virtual Machine Software Hardware Platform Virtualization Software Operating System Application Software Host Virtual Machine Guest

10. Virtual Machine Soft wares Java Virtual Machine – Java Common Language Infrastructure –.NET Frame Work

13. Architecture Of Virtual Machine:- Registers Garbage Collection Heap Stack Method Area

14. Virtual Machine Usability It Is Used to Provide Enhanced Performance, Increase Security etc. Sunawar Khan Ahsan

16. Compiled JAVA Programs Java Virtual Machine Operating System Hardware Platform Sunawar Khan Ahsan JVM Architecture

17. Java Source Code Compilation Java Compiler Java Source Code Java Bite Code Sunawar Khan Ahsan

19. CLR (Common Language Runtime ) In 2002 Microsoft Introduced A New Virtual machine (Environment) Called “Common Language Runtime” (CLR).

20. CLI (Common Language Infrastructure) It Is Used In Microsoft. Net. It Is The Foundation For Executing Of Programs Written In Various Programming Language.

21. CIL (Common Intermediate Language) It Is A Collection Of Instruction That Are Independent of CPU And They Can Be Efficiently Converted To Native Code.

22. Parallel Virtual Machine Advanced Form Of Virtual Machine. It Provide An Environment which Provide Illusion Of Multiple Computer but The End User Appear To Be Use Only One Computer.

23. Where It Is Developed?

24. 06/13/11 Sunawar Khan Ahsan Emory University Versions Of PVM 1 st Version:- 1989 2 nd Version:- March 1991 3 rd Version:- March !993