5 pen pc technology pdf free download. FIVE PEN PC TECHNOLOGY

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PDF | This research work is a pair review into the conceptual frame work and innovation into Pen-style Personal Network Gadget Package. This personal gadget in a minimalist pen style enables the ultimate ubiquitous computing. Index Terms— P-ISM,display, camera,CPU pen, Battery,Virtual. A SEMINAR REPORT ON “5 PEN PC TECHNOLOGY” Submitted in partial fulfillment for the award of the degree of BACHELOR OF TECHNOLOGY IN COMPUTER SCIENCE.
 
 

5 Pen PC Technology Seminar Report – replace.me

 
PDF | This research work is a pair review into the conceptual frame work and innovation into Pen-style Personal Network Gadget Package. 5 PEN PC TECHNOLOGY SEMINAR REPORT By replace.me KRISHNA DEPARTMENT OF Views Downloads 34 File size KB. Report DMCA / Copyright. DOWNLOAD FILE. This personal gadget in a minimalist pen style enables the ultimate ubiquitous computing. Index Terms— P-ISM,display, camera,CPU pen, Battery,Virtual.

 

[5 pen pc technology pdf free download

 

The paper overview the characteristics of HCI and the human factors and computer factors behind it. It also lights upon different ways of interaction between human and computer. Though HCI covers a lot of area, main concentration goes in the field of input and output techniques.

Massimo Bosetti , Matteo Ruffoni. We run a project involving a large number of schools introducing an inexpensive, Wiimote based Interactive Whiteboard. Our aim was to verify how far such solution was from the industrial solutions. We found that in spite of some minor nuisances, the devices are actually well usable.

An advantage is that since the solution is cheap, it can be used also at home. Pushpender Sarao. Behavioral biometric for mobile user authentication have started to put on more concentration in the resent years. Authenticating user on the mobile devices can be hard, and at present mobile applications have come up with many solutions which either compromises security or usability.

The use of touch gestures as a new biometric modality has been investigated most recently. To assess its usability on the authentication setback, touch gesture datasets have been collected which includes commonly used touch gestures. It appreciably reduces the computational time. Ray Sheriff. Paul Tilley. Francisco J. Lacueva , peter brandl , Sergio Mayo , Diego Romero.

Shah Khusro. Dini Siti Nurwulan. Yulita Maulani. Kabir Hamid Tahir. Catharina Williams-van Klinken. Ayman Zaki. Jean Renard Ward. Prabowo Pangestu. Log in with Facebook Log in with Google. Remember me on this computer. Enter the email address you signed up with and we’ll email you a reset link.

Need an account? Click here to sign up. Download Free PDF. Related Papers. A pattern language for interactive tabletops in collaborative workspaces. Professor, Dept. P-ISMs are connected with one another through short-range wireless technology.

However, the introduction of Pen-style Personal Networking Gadgeti. P-ISM has made things easier and convenient. These are computers in the shape of different pens each where-in each has a function of its own, but when combined together, they give us the usage of a complete computer in an easy and compact manner.

By calculating the maximum time that electrical signals can move in various branches of a CPU’s many circuits, the designers can select an appropriate period for the clock signal.

In setting the clock period to a value well above the worst-case propagation delay, it is possible to design the entire CPU and the way it moves data around the “edges” of the rising and falling clock signal.

This has the advantage of simplifying the CPU significantly, both from a design perspective and a component-count perspective. However, it also carries the disadvantage that the entire CPU must wait on its slowest elements, even though some portions of it are much faster. This limitation has largely been compensated for by various methods of increasing CPU parallelism.

For example, a clock signal is subject to the delays of any other electrical signal. Higher clock rates in increasingly complex CPUs make it more difficult to keep the clock signal in phase synchronized throughout the entire unit.

This has led many modern CPUs to require multiple identical clock signals to be provided in order to avoid delaying a single signal significantly enough to cause the CPU to malfunction. Another major issue as clock rates increase dramatically is the amount of heat that is dissipated by the CPU. The constantly changing clock causes many components to switch regardless of whether they are being used at that time. In general, a component that is switching uses more energy than an element in a static state.

Therefore, as clock rate increases, so does heat dissipation, causing the CPU to require more effective cooling solutions. One method of dealing with the switching of unneeded components is called clock gating, which involves turning off the clock signal to unneeded components effectively disabling them. However, this is often regarded as difficult to implement and therefore does not see common usage outside of very low-power designs. It utilizes extensive clock gating in order to reduce the power requirements of the aforementioned videogame console in which it is used.

Another method of addressing some of the problems with a global clock signal is the removal of the clock signal altogether. While removing the global clock signal makes the design process considerably more complex in many ways, asynchronous or clock less designs carry marked advantages in power consumption and heat dissipation in comparison with similar synchronous designs. While somewhat uncommon, entire asynchronous CPUs have been built without utilizing a global clock signal.

Rather than totally removing the clock signal, some CPU designs allow certain portions of the device to be 11 asynchronous, such as using asynchronous ALUs in conjunction with superscalar pipelining to achieve some arithmetic performance gains.

While it is not altogether clear whether totally asynchronous designs can perform at a comparable or better level than their synchronous counterparts, it is evident that they do at least excel in simpler math operations.

This, combined with their excellent power consumption and heat dissipation properties, makes them very suitable for embedded computers. Many reported IPS values have represented “peak” execution rates on artificial instruction sequences with few branches, whereas realistic workloads consist of a mix of instructions and applications, some of which take longer to execute than others.

The performance of the memory hierarchy also greatly affects processor performance, an issue barely considered in MIPS calculations. Because of these problems, various standardized tests such as SPECint have been developed to attempt to measure the real effective performance in commonly used applications.

Processing performance of computers is increased by using multi-core processors, which essentially is plugging two or more individual processors called cores in this sense into one integrated circuit. Ideally, a dual core processor would be nearly twice as powerful as a single core processor. In practice, however, the performance gain is far less, only about fifty percent, due to imperfect software algorithms and implementation.

They are connected through Tri-wireless modes Blue tooth, This is very effective because we can able to connect whenever we need without having wires. They are used at the frequency band of 2. Blue tooth mechanism is used for exchanging signal status information between two devices. They can implement information exchange capabilities within the designs of the Blue tooth. Fig: diagram of communication pen 13 3.

Originally Gaussian frequency-shift keying GFSK modulation was the only modulation scheme available; subsequently, since the introduction of Bluetooth 2. Bluetooth is a packet-based protocol with a master-slave structure. One master may communicate with up to 7 slaves in a piconet; all devices share the master’s clock. Packet exchange is based on the basic clock, defined by the master, which ticks at In the simple case of single-slot packets the master transmits in even slots and receives in odd slots; the slave, conversely, receives in even slots and transmits in odd slots.

Packets may be 1, 3 or 5 slots long but in all cases the master transmit will begin in even slots and the slave transmit in odd slots. Bluetooth provides a secure way to connect and exchange information between devices such as faxes, mobile phones, telephones, laptops, personal computers, printers, Global Positioning System GPS receivers, digital cameras, and video game consoles. A master Bluetooth device can communicate with up to seven devices in a piconet.

An adhoc computer network using Bluetooth technology The devices can switch roles, by agreement, and the slave can become the master at any time.

At any given time, data can be transferred between the master and one other device except for the little-used broadcast mode. The master chooses which slave device to address; typically, it switches rapidly from one device to another in a round-robin fashion. Older pre Bluetooth dongles, however, have limited capabilities, offering only the Bluetooth Enumerator and a less-powerful Bluetooth Radio incarnation.

Such devices can link computers with Bluetooth with a distance of meters, but they do not offer as many services as modern adapters do.

This was one of the earliest applications to become popular. The protected item has a Bluetooth marker e. If the connection is broken the marker is out of range of the phone then an alarm is raised. This can also be used as a man overboard alarm. A product using this technology has been available since Bluetooth and Wi-Fi have many applications: setting up networks, printing, or transferring files. Wi-Fi is intended for resident equipment and its applications.

The category of applications is outlined as WLAN, the wireless local area networks. Wi-Fi is intended as a replacement for cabling for general local area network access in work areas. Bluetooth was intended for non-resident equipment and its applications. The category of applications is outlined as the wireless personal area network WPAN. Bluetooth is a replacement for cabling in a variety of personally carried applications in any setting and can also support fixed location applications such as smart energy functionality in the home thermostats, etc.

Wi-Fi is a wireless version of a traditional Ethernet network, and requires configuration to set up shared resources, transmit files, and to set up audio links for example, headsets and hands-free devices. Wi-Fi uses the same radio frequencies as Bluetooth, but with higher power, resulting in a faster connection and better range from the base station. The nearest equivalents in Bluetooth are the DUN profile, which allows devices to act as modem interfaces, and the PAN profile, which allows for ad-hoc networking.

A personal computer that does not have embedded Bluetooth can be used with a Bluetooth adapter that will enable the PC to communicate with other Bluetooth devices such as mobile phones, mice and keyboards. While some desktop computers and most recent laptops come with a built-in Bluetooth radio, others will require an external one in the form of a dongle. Unlike its predecessor, IrDA, which requires a separate adapter for each device, Bluetooth allows multiple devices to communicate with a computer over a single adapter.

Bluetooth high speed is based on Wi-Fi, and Classic Bluetooth consists of legacy Bluetooth protocols. This version has been adopted as of June 30, Cost-reduced single-mode chips, which will enable highly integrated and compact devices, will feature a lightweight Link Layer providing ultra-low power idle mode operation, simple device discovery, and reliable point-to-multipoint data transfer with advanced power-save and secure encrypted connections at the lowest possible cost.

The Link Layer in these controllers will enable Internet connected sensors to schedule Bluetooth low energy traffic between Bluetooth transmissions. Many of the services offered over Bluetooth can expose private data or allow the connecting party to control the Bluetooth device.

For security reasons it is therefore necessary to control which devices are allowed to connect to a given Bluetooth device. At the same time, it is useful for Bluetooth devices to automatically establish a connection without user intervention as soon as they are in range.

To resolve this conflict, Bluetooth uses a process called pairing. Two devices need to be paired to communicate with each other. The pairing process is typically triggered automatically the first time a device receives a connection request from a device with which it is not yet paired in some cases the device user may need to make the device’s Bluetooth link visible to other devices first.

Once a pairing has been established it is remembered by the devices, which can then connect to each without user intervention. When desired, the pairing relationship can later be removed by the user. The base current version of the standard is IEEE The The most popular are those defined by the Security was originally purposefully weak due to export requirements of some governments, and was later enhanced via the Other standards in the family c—f, h, j are service amendments and extensions or corrections to the previous specifications.

Because of this choice of frequency band, The segment of the radio frequency spectrum used by In the US, Frequencies used by channels one through six of Licensed amateur radio operators may operate Current Frames are divided into very specific and standardized sections. Some frames may not have the payload. The first two bytes of the MAC header form a frame control field specifying the form and function of the frame.

Currently used protocol version is zero. Other values are reserved for future use. Type and Sub type together to identify the exact frame. They indicate whether a data frame is headed for a distributed system.

Control and management frames set these values to zero. All the data frames will have one of these bits set. However communication within an IBSS network always set these bits to zero. Every frame except the last frame of a packet will have this bit set. This aids in the elimination of duplicate frames. Access points are required to manage the connection and will never set the power saver bit. The access point uses this bit to facilitate stations in power saver mode. It indicates that at least one frame is available and addresses all stations connected.

It is toggled to one after a frame has been decrypted or if no encryption is set it will have already been one. Frames and fragments are not always sent in order as it causes a transmission performance penalty.

The next two bytes are reserved for the Duration ID field. Each field can carry a MAC address. Address 1 is the receiver, Address 2 is the transmitter, and Address 3 is used for filtering purposes by the receiver. The first 4 bits are used for the fragmentation number and the last 12 bits are the sequence number. As frames are about to be sent the FCS is calculated and appended. When a station receives a frame it can calculate the FCS of the frame and compare it to the one received.

If they match, it is assumed that the frame was not distorted during transmission. Some common With an open system authentication the WNIC only sends a single authentication frame and the access point responds with an authentication frame of its own indicating acceptance or rejection. With shared key authentication, after the WNIC sends its initial authentication request it will receive an authentication frame from the access point containing challenge text.

The WNIC sends an authentication frame containing the encrypted version of the challenge text to the access point. The access point ensures the text was encrypted with the correct key by decrypting it with its own key. The result of this process determines the WNIC’s authentication status. If it is an acceptance, the frame will contain information such an association ID and supported data rates. It’s an elegant way to allow the access point to relinquish memory allocation and remove the WNIC from the association table.

The new access point coordinates the forwarding of any information that may still be contained in the buffer of the previous access point. The frame includes information required for association such as the association ID and supported data rates. Control frames facilitate in the exchange of data frames between stations. If the sending station doesn’t receive an ACK frame within a predetermined period of time, the sending station will resend the frame.

A station sends a RTS frame to as the first step in a two-way handshake required before sending data frames. It provides clearance for the requesting station to send a data frame. The CTS provides 21 collision control management by including a time value for which all other stations are to hold off transmission while the requesting stations transmits. In , a group from the University of California, Berkeley presented a paper describing weaknesses in the In the attack, they were able to intercept transmissions and gain unauthorized access to wireless networks.

The IEEE set up a dedicated task group to create a replacement security solution, These started to appear in products in mid IEEE In January , IEEE set up yet another task group, TGw, to protect management and broadcast frames, which previously were sent unsecured.

When joined together these cells provide radio coverage over a wide geographic area. This enables a large number of portable transceivers e. In a cellular radio system, a land area to be supplied with radio service is divided into regular shaped cells, which can be hexagonal, square, circular or some other irregular shapes, although hexagonal cells are conventional.

Each of these cells is assigned multiple frequencies f1 – f6 which have corresponding radio base stations. The group of frequencies can be reused in other cells, provided that the same frequencies are not reused in adjacent neighboring cells as that would cause co-channel interference.

The increased capacity in a cellular network, compared with a network with a single transmitter, comes from the fact that the same radio frequency can be reused in a different area for a completely different transmission. If there is a single plain transmitter, only one transmission can be used on any given frequency. Unfortunately, there is inevitably some level of interference from the signal from the other cells which use the same frequency.

This means that, in a standard FDMA system, there must be at least a one cell gap between cells which reuse the same frequency. In the simple case of the taxi company, each radio had a manually operated channel selector knob to tune to different frequencies.

As the drivers moved around, they would change from channel to channel. The drivers know which frequency covers approximately what area. When they do not receive a signal from the transmitter, they will try other channels until they find one that works.

The taxi drivers only speak one at a time, when invited by the base station operator in a sense TDMA. To distinguish signals from several different transmitters, frequency division multiple access FDMA and code division multiple access CDMA were developed. With FDMA, the transmitting and receiving frequencies used in each cell are different from the frequencies used in each neighbouring cell.

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