66913017 java-ring-1217949449014046-9 (1)
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Java Ring is a finger ring containing a microprocessor and memory that can store and run Java applets. It has a Java Virtual Machine, RAM, ROM, and other components housed in a stainless steel casing. Java Rings were introduced in 1998 and can be programmed with applets to enable secure authentication and personalized services. Potential applications include vehicle access and settings synchronization. Information is transferred between the Java Ring and other devices via a blue dot receptor.
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Java Ring
This document discusses the Java Ring, which is a stainless steel ring containing a microprocessor with 134KB of RAM and 32KB of ROM. It houses a Java Virtual Machine (JVM) and can be preloaded with applets. The ring was introduced in 1998 and uses an iButton component, which is a single-chip microcomputer. Potential applications of the Java Ring include providing security, personalized services, and starting a car with customized settings. In conclusion, the document notes the Java Ring is highly durable and secure.
Java ring-110920020424-phpapp02
The document discusses Java Ring, which is a finger ring containing a microprocessor and capabilities for the user. It has a JVM, RAM, ROM, and connects to other devices using a blue dot receptor. Information is stored securely on the ring and the user can access accounts or unlock doors simply by touching the ring to the receptor. While convenient, Java Rings have limitations around cost, storage space, and potential for theft.
Java ring
The document discusses Java Rings, which are finger rings containing microprocessors that run Java applications. It provides an overview of the history and components of Java Rings, how they work, examples of their applications, and security features. Some disadvantages are that implementation costs can be high, information storage is limited, and theft is a risk.
Java ring
The document describes a Java ring, which is a finger ring containing a microprocessor and Java virtual machine. The ring can run applets to enable various functions like attendance tracking, door access, and car security. It contains RAM, ROM, a real-time clock, and an iButton - a stainless steel can housing a computer chip with a unique address. The iButton allows the ring to communicate with a reader and host system. The ring provides security through its stainless casing and ability to require a PIN. It has applications in access control and thermochron usage while being portable and rugged.
java-ring
The document discusses the Java Ring, a wearable computer in the form of a finger ring. It contains a small microprocessor, 6KB of RAM, and can run applets from the Java virtual machine. The ring uses 1-Wire communication protocol and can authenticate users to internet services with a touch. Potential applications include secure access, digital signatures, and storing user credentials. It provides advantages as a wearable computer that is always with the user.
Java ring
Java rings are wearable finger rings with microprocessors that function similarly to smart cards. They originated from Dallas Semiconductor's "touch memory" devices called i-buttons in 1989. Java rings contain an i-button microchip with memory, real-time clock, and a Java Virtual Machine that can run customized applets. They allow secure storage and transmission of user data and preferences for remote transactions, access control, and other applications while being durable, wearable devices. Potential disadvantages include high costs and limited memory capacity.
Sun SPOT, Wireless Sensors Networks
Introducción a las redes de sensores inlámbricos (WSN) y estudio particular de la solución Sun Spot de ORACLE.
Introducing the Sun SPOTs
This document introduces Sun SPOT (Small Programmable Object Technology), a wireless sensor network platform from Sun Microsystems for creating intelligent sensor networks and interacting with the physical world. It describes the Sun SPOT hardware which includes a processor board and sensor board, and the Sun SPOT software which uses the Squawk virtual machine to run Java ME applications. It provides examples of using the Sun SPOT to build a gesture controlled vehicle by having one SPOT read gesture sensor data and send messages over radio to another SPOT acting as a base station which controls a LEGO Mindstorms vehicle.
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Java Ring
This document discusses the Java Ring, which is a stainless steel ring containing a microprocessor with 134KB of RAM and 32KB of ROM. It houses a Java Virtual Machine (JVM) and can be preloaded with applets. The ring was introduced in 1998 and uses an iButton component, which is a single-chip microcomputer. Potential applications of the Java Ring include providing security, personalized services, and starting a car with customized settings. In conclusion, the document notes the Java Ring is highly durable and secure.
Java ring-110920020424-phpapp02
The document discusses Java Ring, which is a finger ring containing a microprocessor and capabilities for the user. It has a JVM, RAM, ROM, and connects to other devices using a blue dot receptor. Information is stored securely on the ring and the user can access accounts or unlock doors simply by touching the ring to the receptor. While convenient, Java Rings have limitations around cost, storage space, and potential for theft.
Java ring
The document discusses Java Rings, which are finger rings containing microprocessors that run Java applications. It provides an overview of the history and components of Java Rings, how they work, examples of their applications, and security features. Some disadvantages are that implementation costs can be high, information storage is limited, and theft is a risk.
Java ring
The document describes a Java ring, which is a finger ring containing a microprocessor and Java virtual machine. The ring can run applets to enable various functions like attendance tracking, door access, and car security. It contains RAM, ROM, a real-time clock, and an iButton - a stainless steel can housing a computer chip with a unique address. The iButton allows the ring to communicate with a reader and host system. The ring provides security through its stainless casing and ability to require a PIN. It has applications in access control and thermochron usage while being portable and rugged.
java-ring
The document discusses the Java Ring, a wearable computer in the form of a finger ring. It contains a small microprocessor, 6KB of RAM, and can run applets from the Java virtual machine. The ring uses 1-Wire communication protocol and can authenticate users to internet services with a touch. Potential applications include secure access, digital signatures, and storing user credentials. It provides advantages as a wearable computer that is always with the user.
Java ring
Java rings are wearable finger rings with microprocessors that function similarly to smart cards. They originated from Dallas Semiconductor's "touch memory" devices called i-buttons in 1989. Java rings contain an i-button microchip with memory, real-time clock, and a Java Virtual Machine that can run customized applets. They allow secure storage and transmission of user data and preferences for remote transactions, access control, and other applications while being durable, wearable devices. Potential disadvantages include high costs and limited memory capacity.
Sun SPOT, Wireless Sensors Networks
Introducción a las redes de sensores inlámbricos (WSN) y estudio particular de la solución Sun Spot de ORACLE.
Introducing the Sun SPOTs
This document introduces Sun SPOT (Small Programmable Object Technology), a wireless sensor network platform from Sun Microsystems for creating intelligent sensor networks and interacting with the physical world. It describes the Sun SPOT hardware which includes a processor board and sensor board, and the Sun SPOT software which uses the Squawk virtual machine to run Java ME applications. It provides examples of using the Sun SPOT to build a gesture controlled vehicle by having one SPOT read gesture sensor data and send messages over radio to another SPOT acting as a base station which controls a LEGO Mindstorms vehicle.
My ppt java ring
The Java Ring is a smart ring containing a small Java-powered microprocessor. It functions similarly to a smart card, storing user information on its NVRAM chip and running applets. By touching the ring to a reader, users can access personalized services. Originally introduced in 1998, the Java Ring uses an iButton component for communication and identification, enabling contactless data transfer between the ring and computer. It provides convenient authentication but also has limitations around cost, compatibility, and storage.
java ring
The document summarizes a Java ring, which is a smart ring containing a microprocessor and Java virtual machine. It can run applets and store user authentication information. The Java ring provides identification through PIN numbers and has applications for e-banking, computer login, and car security through a small reader that transfers data when the ring is touched to it. The ring has advantages of durability and convenience for users.
Arduino1.0 RC
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The (Io)Things you don't even need to hack. Should we worry?
The prevalence of computers in form of so called "smart" devices embedded in our everyday environment is inevitable. From pentester's perspective, the adjective "smart" at first glance can hardly be used to describe their inventors and ambassadors.
Based on a few examples (i.a. BTLE beacons, smart meters, security cameras...) I will show how easily "smart" devices can be outsmarted. Sometimes you don't even need any 'hacking' skills, or the default configuration is wide-open. But are we doomed? What are the conditions for real threat? Can the vulnerabilities be exploited anonymously and as easily as in web application? Where is the physical border the intruder would be likely to cross? The risks involved are usually different, but does it mean we don't have to worry? Are we sure how to use securely the emerging technology?
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The document summarizes iOS device protection techniques used by Apple, including Secure Enclave, Touch ID, keychain, code signing, and baseband hardware integration. It analyzes the security of these techniques and discusses potential attack vectors such as hardware attacks, firmware updating attacks, firmware defects, driver reverse engineering, and jailbreaking. Current and potential future attacks are described in detail.
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Java ring Engg SEMINAR
Java Ring is a stainless-steel ring that houses a microprocessor called an iButton, which contains 134KB RAM, 32KB ROM, and a Java virtual machine. It was introduced in 1998 to enable personalized services using information stored on the ring. Examples included a robot making coffee based on a user's preferences. While Java Rings are not widely used, similar wearable devices could be used for applications like automatically adjusting vehicle settings based on the driver's stored preferences.
Presentation1
The Java Ring is a stainless steel ring containing a small microprocessor with built-in capabilities. It houses a 1-million-transistor processor called an iButton that contains 134kb of RAM, 32kb of ROM, a real-time clock, and a Java virtual machine. The Java Ring was developed in 1989 and has been tested in schools, allowing students to unlock doors, take attendance, and store medical information through programmed Java applets. It provides authentication through PINs and has applications for security and personalized services.
Javaringppt 130921072916-phpapp02
The document summarizes Java Rings, which are finger rings containing a microprocessor and capabilities for the user. It describes that Sun Microsystems introduced Java Rings in 1998, which contained an inexpensive microprocessor running a Java virtual machine with preloaded apps. The rings were used to enable personalized services at conferences when snapped into ring readers. While not widely used, Java Rings or similar devices could have applications like automatically adjusting vehicle settings based on user preferences stored on the ring.
Java ring
This document discusses the Java Ring, which is a finger ring containing a microprocessor, memory, and Java virtual machine. It can run applets to store user information and perform functions when touched to a receptor. The Java Ring is made of stainless steel and is more durable than smart cards. It has various applications including banking, security, login, and storage of usernames and passwords. The document provides an introduction, history, components, working, comparison to smart cards, applications, and conclusions about the Java Ring.
Java Ring
A Java ring is a finger ring containing a microprocessor that allows the user to store and access personal information. It uses Java Card technology, including a Java virtual machine, memory, and applets. When snapped into a reader, it can perform tasks like accessing doors, making payments, and checking out books. While providing authentication and security, privacy and control are potential disadvantages.
java Ring
The document discusses the history and features of the Java Ring, a wearable computer in the form of a finger ring. It describes how the Java Ring originated from Dallas Semiconductor's 1-Wire protocol and iButton technology. The Java Ring contains a small microprocessor, Java virtual machine, memory, and real-time clock, allowing it to store user credentials and authenticate the user. Information is transferred via a 1-Wire communication protocol through a Blue Dot Receptor. The key benefits of the Java Ring are that it is wearable, controlled by the user, and can enable rapid authentication and access to services.
New Ring
The document discusses the history and capabilities of Java Rings. Java Rings are small wearable computers in the form of rings that contain a microprocessor, memory, and Java virtual machine. They were introduced by Sun Microsystems in 1998 and can store user credentials, cash balances, and URLs. The rings use Dallas Semiconductor's iButton technology, which encases computer chips in stainless steel for durability. Information is transferred via a 1-wire communication protocol. Potential applications include secure authentication, digital signatures, and storing user profiles.
Java Ring
Java ring is a finger ring that contains a small microprocessor with built in capabilities for the user.Java ring is a sort of a smartcard that is wearable on a finger,a stainless-steel ring,16-millimeters (0.6 inches) in diameter.
Java ring
The Java Ring is a tiny wearable computer encased in stainless steel that is worn like a ring. It contains a 1-million transistor processor, 134KB of RAM and 32KB of ROM memory, and a real-time clock powered by a lithium backup. It can store user credentials, credit card numbers, URLs and electronic cash. Using a Blue Dot receptor connected to a computer via serial port, the Java Ring can authenticate users and wirelessly transmit encrypted data for applications like e-banking, smart car components, and smart door locks. The Java Ring provides always-on computing capabilities and security features like rapid data erasure and an unalterable processor clock for authentication.
Digital jewellery2.pptx
Digital jewellery refers to fashion jewellery that has embedded technology allowing wireless communication. IBM has prototyped a digital jewellery phone consisting of earrings that act as speakers, a necklace with a microphone, a ring that flashes to indicate calls, and a bracelet display. The components have minimal size and interconnect wirelessly, potentially using Bluetooth. Digital jewellery provides convenience while maintaining fashion and could evolve to fully integrate computer elements with wearable form factors, though challenges remain regarding charging and costs.
JAVA RING WITH IMPLEMENTATION.ppt
The document discusses Java Ring, a type of digital jewelry that functions similarly to a mobile phone. It contains components like RAM, ROM, and a Java Virtual Machine. The Java Ring is compact and can be used for security purposes like access control and e-cash transactions. It works by communicating with a reader when the ring is pushed onto the reader's blue dot receptor. The Java Ring has advantages like being durable and functioning in various environments, while storing multiple passwords and information. However, it also has limitations like limited processor power and memory.
Java ring ppt
The Java Ring is a finger ring containing a small microprocessor that implements the Java Card 2.0 API. It stores information in NVRAM and runs applets. When snapped into a Blue Dot receptor connected to a computer, it allows personalized services and functions like storing cash, unlocking doors, and tracking attendance. Originally introduced in 1998, Java Rings have been tested for uses like cashless school lunches and checking out library books.
Java Ring
The document discusses the Java ring, which is a stainless steel ring containing a computer chip called an iButton that stores user information and runs Java applets. It was introduced in 1998 to provide personalized services. The ring communicates with readers through the iButton and 1-wire protocol with a touch. Applications include access control, time/attendance, e-cash, and more. It has advantages like convenience and security but also risks less parental control and privacy issues.
Java ring
The document discusses Java rings, which are finger rings containing microprocessors that can store and run small Java programs. Specifically, it describes the I-button, a stainless steel ring developed by Dallas Semiconductor in 1989 containing a 1 million transistor chip with RAM, ROM, a Java Virtual Machine and other components. The document outlines the historical background of Java rings, their components, security features, applications like access control and comparisons to other technologies like credit cards. It concludes that Java rings offer a secure way to carry digital information and credentials and may see wider use in the future.
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My ppt java ring
The Java Ring is a smart ring containing a small Java-powered microprocessor. It functions similarly to a smart card, storing user information on its NVRAM chip and running applets. By touching the ring to a reader, users can access personalized services. Originally introduced in 1998, the Java Ring uses an iButton component for communication and identification, enabling contactless data transfer between the ring and computer. It provides convenient authentication but also has limitations around cost, compatibility, and storage.
java ring
The document summarizes a Java ring, which is a smart ring containing a microprocessor and Java virtual machine. It can run applets and store user authentication information. The Java ring provides identification through PIN numbers and has applications for e-banking, computer login, and car security through a small reader that transfers data when the ring is touched to it. The ring has advantages of durability and convenience for users.
Arduino1.0 RC
1. Arduino 1.0 RC is an upcoming release of the Arduino software IDE that introduces new features like an *.ino file extension and progress bars during uploading.
2. The Arduino is an open source hardware and software platform for building electronics projects using affordable USB programmable microcontrollers.
3. The document demonstrates new Arduino 1.0 RC features like the startup screen and also shows how to load an Arduino blink example onto a barebone Arduino board using Proteus simulation software.
The (Io)Things you don't even need to hack. Should we worry?
The prevalence of computers in form of so called "smart" devices embedded in our everyday environment is inevitable. From pentester's perspective, the adjective "smart" at first glance can hardly be used to describe their inventors and ambassadors.
Based on a few examples (i.a. BTLE beacons, smart meters, security cameras...) I will show how easily "smart" devices can be outsmarted. Sometimes you don't even need any 'hacking' skills, or the default configuration is wide-open. But are we doomed? What are the conditions for real threat? Can the vulnerabilities be exploited anonymously and as easily as in web application? Where is the physical border the intruder would be likely to cross? The risks involved are usually different, but does it mean we don't have to worry? Are we sure how to use securely the emerging technology?
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The document summarizes iOS device protection techniques used by Apple, including Secure Enclave, Touch ID, keychain, code signing, and baseband hardware integration. It analyzes the security of these techniques and discusses potential attack vectors such as hardware attacks, firmware updating attacks, firmware defects, driver reverse engineering, and jailbreaking. Current and potential future attacks are described in detail.
Richard pablo - IoT Provisioning Solving the nightmare
This document discusses IoT provisioning methods and challenges. It describes provisioning as the process of configuring IoT devices for deployment. There are three main provisioning methods: factory provisioning, deployment provisioning, and runtime provisioning. Factory provisioning is fast but devices are unique and inflexible. Deployment provisioning takes time as each device must be configured individually. Runtime provisioning allows for standard, commodity devices that can be easily changed after deployment through an ecosystem like Greengrass. The document advocates for runtime provisioning approaches to enable fast deployment and flexibility.
Google Glass Breakdown
Glass contains a 1 GHz processor, 16GB storage, 512MB RAM, GPS, Bluetooth, WiFi, 5MP camera, bone conduction speaker, gyroscope, accelerometer, and 640x360 display. It detects blinks and winks using a proximity sensor and IR emitter/receiver near the right eye. Developers can build apps using the Mirror API or by sideloading Android APKs that utilize Glass-specific APIs. The documentation provides examples of building simple apps.
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The (Io)Things you don't even need to hack. Should we worry?
The (Io)Things you don't even need to hack. Should we worry?
Richard pablo - IoT Provisioning Solving the nightmare
Richard pablo - IoT Provisioning Solving the nightmare
Similar to 66913017 java-ring-1217949449014046-9 (1)
Java ring Engg SEMINAR
Java Ring is a stainless-steel ring that houses a microprocessor called an iButton, which contains 134KB RAM, 32KB ROM, and a Java virtual machine. It was introduced in 1998 to enable personalized services using information stored on the ring. Examples included a robot making coffee based on a user's preferences. While Java Rings are not widely used, similar wearable devices could be used for applications like automatically adjusting vehicle settings based on the driver's stored preferences.
Presentation1
The Java Ring is a stainless steel ring containing a small microprocessor with built-in capabilities. It houses a 1-million-transistor processor called an iButton that contains 134kb of RAM, 32kb of ROM, a real-time clock, and a Java virtual machine. The Java Ring was developed in 1989 and has been tested in schools, allowing students to unlock doors, take attendance, and store medical information through programmed Java applets. It provides authentication through PINs and has applications for security and personalized services.
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The document summarizes Java Rings, which are finger rings containing a microprocessor and capabilities for the user. It describes that Sun Microsystems introduced Java Rings in 1998, which contained an inexpensive microprocessor running a Java virtual machine with preloaded apps. The rings were used to enable personalized services at conferences when snapped into ring readers. While not widely used, Java Rings or similar devices could have applications like automatically adjusting vehicle settings based on user preferences stored on the ring.
Java ring
This document discusses the Java Ring, which is a finger ring containing a microprocessor, memory, and Java virtual machine. It can run applets to store user information and perform functions when touched to a receptor. The Java Ring is made of stainless steel and is more durable than smart cards. It has various applications including banking, security, login, and storage of usernames and passwords. The document provides an introduction, history, components, working, comparison to smart cards, applications, and conclusions about the Java Ring.
Java Ring
A Java ring is a finger ring containing a microprocessor that allows the user to store and access personal information. It uses Java Card technology, including a Java virtual machine, memory, and applets. When snapped into a reader, it can perform tasks like accessing doors, making payments, and checking out books. While providing authentication and security, privacy and control are potential disadvantages.
java Ring
The document discusses the history and features of the Java Ring, a wearable computer in the form of a finger ring. It describes how the Java Ring originated from Dallas Semiconductor's 1-Wire protocol and iButton technology. The Java Ring contains a small microprocessor, Java virtual machine, memory, and real-time clock, allowing it to store user credentials and authenticate the user. Information is transferred via a 1-Wire communication protocol through a Blue Dot Receptor. The key benefits of the Java Ring are that it is wearable, controlled by the user, and can enable rapid authentication and access to services.
New Ring
The document discusses the history and capabilities of Java Rings. Java Rings are small wearable computers in the form of rings that contain a microprocessor, memory, and Java virtual machine. They were introduced by Sun Microsystems in 1998 and can store user credentials, cash balances, and URLs. The rings use Dallas Semiconductor's iButton technology, which encases computer chips in stainless steel for durability. Information is transferred via a 1-wire communication protocol. Potential applications include secure authentication, digital signatures, and storing user profiles.
Java Ring
Java ring is a finger ring that contains a small microprocessor with built in capabilities for the user.Java ring is a sort of a smartcard that is wearable on a finger,a stainless-steel ring,16-millimeters (0.6 inches) in diameter.
Java ring
The Java Ring is a tiny wearable computer encased in stainless steel that is worn like a ring. It contains a 1-million transistor processor, 134KB of RAM and 32KB of ROM memory, and a real-time clock powered by a lithium backup. It can store user credentials, credit card numbers, URLs and electronic cash. Using a Blue Dot receptor connected to a computer via serial port, the Java Ring can authenticate users and wirelessly transmit encrypted data for applications like e-banking, smart car components, and smart door locks. The Java Ring provides always-on computing capabilities and security features like rapid data erasure and an unalterable processor clock for authentication.
Digital jewellery2.pptx
Digital jewellery refers to fashion jewellery that has embedded technology allowing wireless communication. IBM has prototyped a digital jewellery phone consisting of earrings that act as speakers, a necklace with a microphone, a ring that flashes to indicate calls, and a bracelet display. The components have minimal size and interconnect wirelessly, potentially using Bluetooth. Digital jewellery provides convenience while maintaining fashion and could evolve to fully integrate computer elements with wearable form factors, though challenges remain regarding charging and costs.
JAVA RING WITH IMPLEMENTATION.ppt
The document discusses Java Ring, a type of digital jewelry that functions similarly to a mobile phone. It contains components like RAM, ROM, and a Java Virtual Machine. The Java Ring is compact and can be used for security purposes like access control and e-cash transactions. It works by communicating with a reader when the ring is pushed onto the reader's blue dot receptor. The Java Ring has advantages like being durable and functioning in various environments, while storing multiple passwords and information. However, it also has limitations like limited processor power and memory.
Java ring ppt
The Java Ring is a finger ring containing a small microprocessor that implements the Java Card 2.0 API. It stores information in NVRAM and runs applets. When snapped into a Blue Dot receptor connected to a computer, it allows personalized services and functions like storing cash, unlocking doors, and tracking attendance. Originally introduced in 1998, Java Rings have been tested for uses like cashless school lunches and checking out library books.
Java Ring
The document discusses the Java ring, which is a stainless steel ring containing a computer chip called an iButton that stores user information and runs Java applets. It was introduced in 1998 to provide personalized services. The ring communicates with readers through the iButton and 1-wire protocol with a touch. Applications include access control, time/attendance, e-cash, and more. It has advantages like convenience and security but also risks less parental control and privacy issues.
Java ring
The document discusses Java rings, which are finger rings containing microprocessors that can store and run small Java programs. Specifically, it describes the I-button, a stainless steel ring developed by Dallas Semiconductor in 1989 containing a 1 million transistor chip with RAM, ROM, a Java Virtual Machine and other components. The document outlines the historical background of Java rings, their components, security features, applications like access control and comparisons to other technologies like credit cards. It concludes that Java rings offer a secure way to carry digital information and credentials and may see wider use in the future.
Sun Spot Talk
This is the presentation I used to give a talk on Sun SPOTs at the Technical Seminar, RNSIT, Bangalore, INDIA.
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Digital jewelry
The document discusses digital jewelry, which uses microcomputer devices embedded in fashion jewelry to allow for mobile computing. Digital jewelry components like earrings, necklaces, rings, and bracelets can work together using Bluetooth to function like a cell phone. Prototypes have been developed like a trackpoint ring and Java ring. Digital jewelry provides wireless wearability and a fashionable interface, but current limitations include small displays, potential health risks from rays, lack of waterproofing, and high costs.
Dj ppt
Digital jewelry consists of small wearable devices that contain components of a cellphone and can work together wirelessly to perform cellphone functions. An IBM prototype broke a cellphone into pieces of digital jewelry like a microphone in a necklace, speakers in earrings, and a display in a wrist bracelet. Other examples are a magic decoder ring that flashes to indicate calls and a trackpoint ring used to control a computer cursor. While digital jewelry provides mobility and convenience over traditional phones and computers, challenges remain regarding battery life, cost, and usability.
Digital jewelry
The document discusses digital jewelry, which are fashionable pieces of jewelry that contain computer components and can function as wireless wearable computers. Some examples mentioned include a computerized ring, earrings, necklace, and bracelet that work together using Bluetooth technology. The pieces have small screens, sensors, microcontrollers, and other technical specifications that allow them to be used like a mobile phone or computer. While digital jewelry provides wireless convenience and fashionable interaction, there are also challenges to address like small displays, potential health risks, durability, waterproofing, and high costs.
Digital jewellery hints
IBM has developed digital jewelry that incorporates microchips and transistors into items like rings and bracelets to add computing and communication capabilities. This digital jewelry can perform functions like receiving calls or messages and is enabled through technologies like Bluetooth. Challenges remain around issues like charging and cost, but digital jewelry aims to provide convenience through wearable, wireless devices while still being stylish pieces of jewelry.
Presentation on Digital jewelry
This document discusses digital jewelry, which combines fashion jewelry with embedded computing technology. Digital jewelry devices could include earrings with speakers, a necklace with a microphone, a ring with LEDs to indicate calls, and a bracelet with a small display. The technology allows for a wireless wearable computer using Bluetooth. Issues include small displays, potential health risks from radiation, water damage risks, and high costs, but digital jewelry may eventually replace standalone computers by integrating all necessary functions into fashionable items that are easy to carry everywhere.
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OVERVIEW OF ‘C’ PROGRAM
This document provides an overview of C programs. It discusses that C was introduced in 1978 and is a portable, structured programming language that allows programs to be efficiently extended through additional functions. A C program consists of sections for documentation, linking, definitions, global declarations, the main function, and additional subprograms/functions. The main function contains declaration and executable parts, while additional functions make up the subprogram section. Executing a C program involves four steps - creating the program, compiling it, linking it with library functions, and then executing the program.
CONSTANTS, VARIABLES & DATATYPES IN C
This document provides an overview of constants, variables, and data types in the C programming language. It discusses the different categories of characters used in C, C tokens including keywords, identifiers, constants, strings, special symbols, and operators. It also covers rules for identifiers and variables, integer, floating point, void, and character data types, and describes constants like integer, real, single character, string, and backslash character constants.
constants, variables and datatypes in C
This document provides an overview of constants, variables, and data types in the C programming language. It discusses the different categories of characters used in C, C tokens including keywords, identifiers, constants, strings, special symbols, and operators. It also covers rules for identifiers and variables, integer constants, real constants, single character constants, string constants, and backslash character constants. Finally, it describes the primary data types in C including integer, character, floating point, double, and void, as well as integer, floating point, and character types.
Steps for Developing a 'C' program
The document outlines the three main stages of developing a C program: 1) Program design which includes problem analysis, outlining structure, algorithm development, and selecting control structures. 2) Program coding which should be readable and avoid complex logic. 3) Program testing which has two stages - human testing like code inspections, and computer-based testing using compilers and detecting run-time errors. The design stage establishes a foundation and strategy for writing the program to solve the problem. Coding then implements the design, and testing identifies any errors before the final program.
pre processor directives in C
The document discusses C language preprocessors which are programs that process source code before compilation. There are three categories of preprocessor directives: macro substitution, file inclusion, and compiler control. Macro substitution replaces identifiers with predefined strings using the #define directive. File inclusion uses the #include directive to incorporate external files containing functions or macros. Additional preprocessor directives like #elif, #pragma, and #error are also discussed along with stringizing and token pasting operators.
Self protecteion in clustered distributed system new
Self-protection in a clustered distributed system refers to the system's ability to detect illegal behaviors and fight back against intrusions using countermeasures. This is based on structural knowledge of the cluster and applications. This knowledge allows detection of known and unknown attacks if an illegal communication channel is used. Any attempt to use an undeclared channel is trapped and an automatic recovery procedure is executed. Legal channels are calculated from the system architecture and used to generate protection rules forbidding unspecified channels. This minimizes system perturbation while providing fast reaction, and automates security configuration when the system evolves.
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Haptic technology
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documentation for identity based secure distrbuted data storage schemes
documentation for identity based secure distrbuted data storage schemes
SYSTEM ARCHITECTURE / UML DIAGRAMS FOR IDENTITY BASED SECURE DISTRIBUTED DATA...
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literature survey for identity based secure distributed data storage
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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66913017 java-ring-1217949449014046-9 (1)
- 2. Contents INTRODUCTION HISTORY COMPONENTS IN JAVA RING ARCHITECHTURE WORKING SECURITY APPLICATION CONCLUSION REFERENCE
- 3. INTRODUCTION A Java Ring is a finger ring that contains a small microprocessor with built-in capabilities for the user. It contains an inexpensive microprocessr in a stainless steel ibutton running a JVM and it is preloaded with applet The Java Ring is an extremely secure Java-powered electronic token . .Java Ring could have a number of real-world application.
- 4. HISTORY In the summer of 1989, Dallas Semiconductor Corp. produced the first stainless-steel-encapsulated memory device called iButton. iButton is the main component of java ring. Java Ring was introduced at their JavaOne Conference in 1998
- 5. Java Ring Java Ring is a stainless-steel ring, 16-millimeters (0.6 inches) in diameter, that houses a 1-million-transistor processor, called an iButton. The ring has 134 KB of RAM, 32 KB of ROM
- 6. components Java Virtual Machine (JVM) RAM ROM real-time clock iButton Blue dot reciptor
- 7. iButton o The jewel of the Java Ring is the Java iButton -- a one- million transistor, single chip trusted microcomputer with a powerful Java Virtual Machine (JVM) housed in a rugged and secure stainless-steel case o Originally called "touch memory" devices, they were later renamed "iButtons." Packaged like batteries, iButtons have only a single active electrical contact on the top surface, with the stainless steel shell serving as ground.
- 8. Architecture
- 9. Blue dot reciptor Blue dot receptor lets you communicate with ibuttons from pcs to microprocessor and embeded system. The read/write operation will be done by this blue dot receptor provided by RS232 serial port adaptor. Receptor cable connects to the USB port of PC or any embeded system. The receptor itself affixes to any accesible spot . The information is transferred between the ibutton
- 10. working java ring is programmed with the applets acoording to our application. For specific class of user specific java applets is preloaded in to the java ring. All the information of the user is stored in the java ring. User simply presses the signet of the java ring against the “blue dot” receptor and the system connected to the receptor performs the function that the applet instructs to to.
- 11. security This barrier substrate and the triple-layer metal construction techniques employed in the silicon fabrication effectively deny access to the data stored in the NVRAM. If any attempt is made to penetrate these barriers, the NVRAM data is immediately erased. Java rings are authorized through Personal Identification Numbers (PINs) so that no one can steal a person's ring and use that ring.
- 12. application Although Java Rings aren't widely used yet, such rings or similar devices could have a number of real-world applications, such as starting your car and having all your vehicle's components (such as the seat, mirrors, and radio selections) automatically adjust to your preferences. Providing security. Presonalized services.
- 13. conclusion Highly durable Highly secure Used in personal computing.
- 14. Reference www.javaworld.com http://electronics.howstuffworks.com http://people.cs.uchicago.edu
- 15. Presented by Ravi prakash s-7 roll no-69
- 16. Questions?