differences between a genuine note and a forged note?

i) Security thread: Rs.10, Rs.20 and Rs.50 notes contain a readable but fully embedded security windowed security thread. Rs.100, Rs.500 and Rs.1000 notes contain a readable windowed security thread. This thread is partially exposed and partially embedded. When held against light, this thread can be seen as one continuous line. Other than on Rs.1000 notes, this thread contains the words 'Bharat' in the devnagri script and 'RBI' appearing alternately. The security thread of the Rs.1000 note contains the inscription 'Bharat' in the devnagri script, '1000' and 'RBI'. Notes issued earlier have a plain, non-readable fully embedded security thread. ii) Latent Image: A vertical band behind on the right side of the Mahatma Gandhi’s portrait, which contains a latent image, showing the denominational value 20, 50, 100, 500 or 1000 as the case may be. The value can be seen only when the note is held on the palm and light allowed to fall on it at 45° ; otherwise this feature appears only as a vertical band.

 iii) Microletterings: This feature appears between the vertical band and Mahatma Gandhi portrait. It contains the word ‘RBI’ in Rs.10. Notes of Rs.20 and above also contain the denominational value of the notes. This feature can be seen better under a magnifying glass.

iv) Identification mark: A special intaglio feature has been introduced on the left of the watermark window on all notes except Rs.10/- note. This feature is in different shapes for various denominations (Rs.20-Vertical Rectangle, Rs.50-Square, Rs.100-Triangle, Rs.500-Circle, Rs.1000-Diamond) and helps the visually impaired to identify the denomination.

v) Intaglio Printing: The portrait of Mahatma Gandhi, Reserve Bank seal, guarantee and promise clause, Ashoka Pillar Emblem on the left, RBI Governor's signature are printed in intaglio i.e. in raised prints in Rs.20, Rs.50, Rs.100, Rs.500 and Rs.1000 notes. vi) Fluorescence: The number panels of the notes are printed in fluorescent ink. The notes also have optical fibres. Both can be seen when the notes are exposed to ultra-violet lamp.

vii) Optically Variable Ink: The numeral 500 & 1000 on the Rs.500 [revised colour scheme of mild yellow, mauve and brown] and Rs.1000 notes are printed in Optically Variable Ink viz., a colour-shifting ink. The colour of these numerals appear green when the notes are held flat but would change to blue when the notes are held at an angle.Forgeries How does one differentiate between a genuine note and a forged note?
The notes on which the above features are not available can be suspected as forged notes and examined minutely.

New 100 Rupee Coin

How to print GC details into a file for your program?

 For your local program (for example - say you have written a standalone DOM xml parser or any memory intensive program on which you want to check GC*  usage).

In RAD (for IBM JVM) --> right click on the java class --> goto "Run As" --> goto "Run configurations" --> goto "Arguments" tab in the pop-up --> set the below under VM arguments
-Xverbosegclog:D:\Your_Path\Your_Sub_Path\jvm.log

On a Sun JVM:  -Xloggc:C:\Your_Path\jvm.log -verbose:gc -XX:+PrintGCDateStamps
(if there are spaces in folder or file names, it will be interpreted as another VM argument)
Then Run your program. GC details will be logged in that file (jvm.log in this case)
* GC- Garbage Collector
Referene:

http://stackoverflow.com/questions/1161647/how-to-redirect-verbose-garbage-collection-output-to-a-file

JVM Architecture

The Java Virtual Machine (JVM) is an abstract computing machine. The JVM is a program that looks like a machine to the programs written to execute in it. This way, Java programs are written to the same set of interfaces and libraries. Each JVM implementation for a specific operating system, translates the Java programming instructions into instructions and commands that run on the local operating system. This way, Java programs achieve platform independence.
        The Java virtual machine knows nothing of the Java programming language, only of a particular binary format, the class file format. A class file contains Java virtual machine instructions (or bytecodes) and a symbol table, as well as other ancillary information.

For the sake of security, the Java virtual machine imposes strong syntactic and structural constraints on the code in a class file. However, any language with functionality that can be expressed in terms of a valid class file can be hosted by the Java virtual machine. Attracted by a generally available, machine-independent platform, implementors of other languages can turn to the Java virtual machine as a delivery vehicle for their languages.

 

Exploring the JVM Architecture

Hotspot Architecture

The HotSpot JVM possesses an architecture that supports a strong foundation of features and capabilities and supports the ability to realize high performance and massive scalability. For example, the HotSpot JVM JIT compilers generate dynamic optimizations. In other words, they make optimization decisions while the Java application is running and generate high-performing native machine instructions targeted for the underlying system architecture. In addition, through the maturing evolution and continuous engineering of its runtime environment and multithreaded garbage collector, the HotSpot JVM yields high scalability on even the largest available computer systems.

The main components of the JVM include the classloader, the runtime data areas, and the execution engine.

Key Hotspot Components

The key components of the JVM that relate to performance are highlighted in the following image.

There are three components of the JVM that are focused on when tuning performance. The heap is where your object data is stored. This area is then managed by the garbage collector selected at startup. Most tuning options relate to sizing the heap and choosing the most appropriate garbage collector for your situation. The JIT compiler also has a big impact on performance but rarely requires tuning with the newer versions of the JVM.

JVM Memory

•Eden Space (heap): The pool from which memory is initially allocated for most objects.
•Survivor Space (heap): The pool containing objects that have survived the garbage collection of the Eden space.
•Tenured Space (heap): The pool containing objects that have existed for some time in the survivor space.
•Perm Space (non-heap): The pool containing all the reflective data of the virtual machine itself, such as class and method objects. With Java VMs that use class data sharing, this generation is divided into read-only and read-write areas.
•Code Cache (non-heap): The HotSpot Java VM also includes a code cache, containing memory that is used for compilation and storage of native code.

Openings At Infosys

Pre-requisites:

       ·         Candidate must have good, consistent academics & should be B.E / B.Tech / M.C.A /   M.Sc / M.E / M.Tech.

       ·         Candidate must have 3 to 11 years of relevant experience.

       ·         Date of Birth, personal email id and contact number of the candidate should be updated in the resume.

         Please send resumes to: samba_mca06@gmail.com

Tracks	Skill Sets	Location
VLSI	Design and verification, DFT, Physical Design	Bangalore
Application Development	Java-J2EE, Struts, Hibernate	Bangalore, Trivandrum, Hyderabad
	HTML5	Bangalore
	C++ with Telecom domain	Bangalore, Trivandrum
	.Net	Pune, Bangalore
MES	PI, LIMS, Simatic IT	Pune, Bangalore
Industrial Automation	Power controls, DCS configuration, .net, WPF	Mysore
Plant Engineering	CeasarII, PDMS, Piping	Mysore
Turbomachinery	Computational Fluid Dynamics-Fluent, CFX, Ansys , Aerodynamic & thermodynamic cycle, Calculations	Mysore
	Design- Catia V4/5, Manufacturing	Mysore
Stress	Aerospace-FEA: Hypermesh, Ansys, Abaqus, Patran, Nastran, Hand calculations	Mysore, Bangalore
	Automotive- Crash, Safety, NVH, Durability, Interior CAE Tools-Ansa, LS-DYNA, Nastran	Chennai
PLM	Windchill , FlexPLM, SAP PLM, Teamcenter, PDMS LICAD	Mysore, Bangalore, Hyderabad, Pune
Contact centre	Genesys Framework 7.x/8.x, Cisco IPCC, Avaya, Aura,Designing of Routing, Reporting, work force management( WFM), call/voice recorders	Chennai, Pune
POS	POS Domain :  Retail, Grocery, QSRPOS Platforms : Windows POSReady,IBM SurePOS, Wincor,Epicor, Fujitsu Technology Platforms : VBScript, VB6,  VC++, C#, C, C++, SQL, Java OS Customization : OSD, MDT, WAIK OS Deployment : SCCM, PXE, WDS Compliance and Regulations : PCI Compliance	Bangalore, Trivandrum
Embedded	Windows Drivers, Linux Device Drivers, Connectivity, Graphics and Audio, Multimedia frameworks, Embedded firmware	Bangalore, Hyderabad