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INTRODUCTION

Microsoft's next-generation secure computing base aims to provide robust access control while retaining the openness of personal computers. Unlike closed systems, an NGSCB platform can run any software, but it provides mechanisms that allow operating systems and applications to protect themselves against other software running on the same machine. For example, it can make home finance data inaccessible to programs that the user has not specifically authorized.

To enable this mode of operation, NGSCB platforms implement
" Isolation among operating systems and among processes. OS isolation is related to virtual machine monitors. However, some key NGSCB innovations make it more robust than traditional VMMs by enabling a small machine monitor to isolate itself and other high-assurance components from the basic input/output system (BIOS), device drivers, and bus master devices.
" Hardware and software security primitives that allow software modules to keep secrets and authenticate themselves to local and remote entities. These primitives maintain the trustworthiness of OS access protections without preventing the platform from booting other operating systems.

We refer to a security regimen that allows any software to run but requires it to be identified in access-control decisions as authenticated operation, and we call a hardware-software platform that supports authenticated operation a trusted open system.

A variety of commercial requirements and security goals guided the NGSCB system design. The main commercial requirement was for an open architecture that allows arbitrary hardware peripherals to be added to the platform and arbitrary software to execute without involving a central authority. Furthermore, the system had to operate in the legacy environment of personal computers. While we introduced changes to core platform components, most of the PC architecture remained unmodified. The system had to be compatible with the majority of existing peripherals. Finally, the hardware changes had to be such that they would not have a significant impact on PC production costs.

Our main security goal was assurance. Assurance is not any particular security function. It refers to the degree of confidence the owner of a system can have in its correct behavior especially in the presence of attacks. A further goal was to enable authenticated operation.

The hardware platforms are not required to provide protection against hardware tampering. Protection against tampering costs money, and it is clear that most security attacks facing users are launched by malicious software, or are remotely launched and exploit bugs in otherwise benign software. However, we anticipate platforms will be deployed that are also robust against hardware attacks, especially in high-security corporate and government settings.

AUTHENTICATED OPERATION

Traditional access-control systems protect data against unauthorized access through an authentication mechanism such as a password, biometric data, or smart card. Each access request triggers a system component, the guard, that is part of the trusted computing base. The guard grants or denies access, and can audit access requests according to the user, the request, and the system's access-control policy.

Authenticated operation bases access-control decisions in part on the identity of the program making a request. For example, a user can restrict access to files containing financial data to only certain authorized programs.
It is straightforward to extend most existing user-based access-control systems to code-based access models. For example, a resource can have an access-control list that grants access only to a list of programs rather than to users who run these programs. We expect that most systems built to support authenticated operation will base access-control decisions on both program and user resource requests

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INTRODUCTION

What is a kernel ?

A set of code which directly interacts with hardware and allocate and manages resources such as CPU time, memory and I/O access .Kernel also contain system calls which provide specific functions.

HISTORY

The Linux kernel project was started in 1991 by Linus Torvalds as a Minix-like Operating System for his 386. (Linus had originally wanted to name the project Freax, but the now-familiar name is the one that stuck.) The first official release of Linux 1.0 was in March 1994, but it supported only single-processor i386 machines. Just a year later, Linux 1.2 was released (March 1995) and was the first version with support for different hardware platforms (specifically: Alpha, Sparc, and Mips), but still only single-processor models. Linux 2.0 arrived in June of 1996 and also included support for a number of new architectures, but more importantly brought Linux into the world of multi-processor machines (SMP). After 2.0, subsequent major releases have been somewhat slower in coming (Linux 2.2 in January 1999 and 2.4 in January 2001), each revision expanding Linux's support for new hardware and system types as well as boosting scalability. (Linux 2.4 was also notable in being the release that really broke Linux into the desktop space with kernel support for ISA Plug-and-Play, USB, PC Card support, and other additions.) Linux 2.6, released 12/17/03, stands not only to build on these features, but also to be another "major leap" with improved support for both significantly larger systems and significantly smaller ones (PDAs and other devices.)

KERNEL 2.6 FEATURES

Features in kernel 2.6

" Scalability
" Preemptible kernel
" New scheduling algorithm
" Improved threading model
" Hyperthreading
" Module subsystem and device model
" System hardware support
" Block device support
" INPUT/OUTPUT support
" Audio and multimedia

HARDWARE SUPPORT

As Linux has moved forward over the years and into the mainstream, each new iteration of the kernel appeared to be leaps and bounds better than the previous in terms of what types of devices it could support-- both in terms of emerging technologies (USB in 2.4) and older "legacy" technologies (MCA in 2.2). As we arrive at the 2.6 however, the number of major devices that Linux does not support is relatively small. There are few, if any, major branches of the PC hardware universe yet to conquer. It is for that reason that most (but certainly not all) of improvements in i386 hardware support have been to add robustness rather than new features

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Rainfinity's technology originated in a research project at the California Institute of Technology (Caltech), in collaboration with NASA's Jet Propulsion Laboratory and the Defense Advanced Research Projects Agency (DARPA). The name of the original research project was RAIN, which stands for Reliable Array of Independent Nodes. The goal of the RAIN project was to identify key software building blocks for creating reliable distributed applications using off-the-shelf hardware. The focus of the research was on high-performance, fault-tolerant and portable clustering technology for space-borne computing. Two important assumptions were made, and these two assumptions reflect the differentiations between RAIN and a number of existing solutions both in the industry and in academia:

1. The most general share-nothing model is assumed. There is no shared storage accessible from all computing nodes. The only way for the computing nodes to share state is to communicate via a network. This differentiates RAIN technology from existing back-end server clustering solutions such as SUNcluster, HP MC Serviceguard or Microsoft Cluster Server.
2. The distributed application is not an isolated system. The distributed protocols interact closely with existing networking protocols so that a RAIN cluster is able to interact with the environment. Specifically, technological modules were created to handle high-volume network-based transactions. This differentiates it from traditional distributed computing projects such as Beowulf.

In short, the RAIN project intended to marry distributed computing with networking protocols. It became obvious that RAIN technology was well-suited for Internet applications. During the RAIN project, key components were built to fulfill this vision. A patent was filed and granted for the RAIN technology. Rainfinity was spun off from Caltech in 1998, and the company has exclusive intellectual property rights to the RAIN technology. After the formation of the company, the RAIN technology has been further augmented, and additional patents have been filed.

The guiding concepts that shaped the architecture are as follows:

1. Network Applications

The architecture goals for clustering data network applications are different from clustering data storage applications. Similar goals apply in the telecom environment that provides the Internet backbone infrastructure, due to the nature of applications and services being clustered.

2. Shared-Nothing

The shared-storage cluster is the most widely used for database and application servers that store persistent data on disks. This type of cluster typically focuses on the availability of the database or application service, rather than performance. Recovery from failover is generally slow, because restoring application access to disk-based data takes minutes or longer, not seconds. Telecom servers deployed at the edge of the network are often diskless, keeping data in memory for performance reasons, and tolerate low failover time. Therefore, a new type of share-nothing cluster with rapid failure detection and recovery is required. The only way for the shared-nothing cluster to share is to communicate via the network.

3. Scalability

While the high-availability cluster focuses on recovery from unplanned and planned downtimes, this new type of cluster must also be able to maximize I/O performance by load balancing across multiple computing nodes. Linear scalability with network throughput is important. In order to maximize the total throughput, load load-balancing decisions must be made dynamically by measuring the current capacity of each computing node in real-time. Static hashing does not guarantee
an even distribution of traffic.

4. Peer-to-Peer

A dispatcher-based, master-slave cluster architecture suffers from scalability by introducing a potential bottleneck. A peer-to-peer cluster architecture is more suitable for latency-sensitive data network applications processing shortlived sessions. A hybrid architecture should be considered to offset the need for more control over resource management. For example, a cluster can assign multiple authoritative computing nodes that process traffic in the round-robin order for each network interface that is clustered to reduce the overhead of traffic forwarding

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Biological computers have emerged as an interdisciplinary field that draws together molecular biology, chemistry, computer science and mathematics. The highly predictable hybridization chemistry of DNA, the ability to completely control the length and content of oligonucleotides, and the wealth of enzymes available for modification of the DNA, make the use of nucleic acids an attractive candidate for all of these nanoscale applications

A 'DNA computer' has been used for the first time to find the only correct answer from over a million possible solutions to a computational problem. Leonard Adleman of the University of Southern California in the US and colleagues used different strands of DNA to represent the 20 variables in their problem, which could be the most complex task ever solved without a conventional computer. The researchers believe that the complexity of the structure of biological molecules could allow DNA computers to outperform their electronic counterparts in future.

Scientists have previously used DNA computers to crack computational problems with up to nine variables, which involves selecting the correct answer from 512 possible solutions. But now Adleman's team has shown that a similar technique can solve a problem with 20 variables, which has 220 - or 1 048 576 - possible solutions.

Adleman and colleagues chose an 'exponential time' problem, in which each extra variable doubles the amount of computation needed. This is known as an NP-complete problem, and is notoriously difficult to solve for a large number of variables. Other NP-complete problems include the 'travelling salesman' problem - in which a salesman has to find the shortest route between a number of cities - and the calculation of interactions between many atoms or molecules.
Adleman and co-workers expressed their problem as a string of 24 'clauses', each of which specified a certain combination of 'true' and 'false' for three of the 20 variables. The team then assigned two short strands of specially encoded DNA to all 20 variables, representing 'true' and 'false' for each one.

In the experiment, each of the 24 clauses is represented by a gel-filled glass cell. The strands of DNA corresponding to the variables - and their 'true' or 'false' state - in each clause were then placed in the cells.

Each of the possible 1,048,576 solutions were then represented by much longer strands of specially encoded DNA, which Adleman's team added to the first cell. If a long strand had a 'subsequence' that complemented all three short strands, it bound to them. But otherwise it passed through the cell.

To move on to the second clause of the formula, a fresh set of long strands was sent into the second cell, which trapped any long strand with a 'subsequence' complementary to all three of its short strands. This process was repeated until a complete set of long strands had been added to all 24 cells, corresponding to the 24 clauses. The long strands captured in the cells were collected at the end of the experiment, and these represented the solution to the problem.

THE WORLD'S SMALLEST COMPUTER

The world's smallest computer (around a trillion can fit in a drop of water) might one day go on record again as the tiniest medical kit. Made entirely of biological molecules, this computer was successfully programmed to identify - in a test tube - changes in the balance of molecules in the body that indicate the presence of certain cancers, to diagnose the type of cancer, and to react by producing a drug molecule to fight the cancer cells.

DOCTOR IN A CELL

In previous biological computers produced input, output and "software" are all composed of DNA, the material of genes, while DNA-manipulating enzymes are used as "hardware." The newest version's input apparatus is designed to assess concentrations of specific RNA molecules, which may be overproduced or under produced, depending on the type of cancer. Using pre-programmed medical knowledge, the computer then makes its diagnosis based on the detected RNA levels. In response to a cancer diagnosis, the output unit of the computer can initiate the controlled release of a single-stranded DNA molecule that is known to interfere with the cancer cell's activities, causing it to self-destruct.

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From computer-aided design (CAD) drawings of complex engineering parts to digital representations of proteins and complex molecules, an increasing amount of 3D information is making its way onto the Web and into corporate databases.

Because of this, users need ways to store, index, and search this information. Typical Web-searching approaches, such as Google's, can't do this. Even for 2D images, they generally search only the textual parts of a file, noted Greg Notess, editor of the online Search Engine Showdown newsletter.

However, researchers at universities such as Purdue and Princeton have begun developing search engines that can mine catalogs of 3D objects, such as airplane parts, by looking for physical, not textual, attributes. Users formulate a query by using a drawing application to sketch what they are looking for or by selecting a similar object from a catalog of images. The search engine then finds the items they want. The company must make it again, wasting valuable time and money
3D SEARCHING

Advances in computing power combined with interactive modeling software, which lets users create images as queries for searches, have made 3Dsearch technology possible.

Methodology used involves the following steps

" Query formulation
" Search process
" Search result

QUERY FORMULATION

True 3D search systems offer two principal ways to formulate a query: Users can select objects from a catalog of images based on product groupings, such as gears or sofas; or they can utilize a drawing program to create a picture of the object they are looking for. or example, Princeton's 3D search engine uses an application to let users draw a 2D or 3D representation of the object they want to find.

The above picture shows the query interface of a 3D search system.

SEARCH PROCESS

The 3D-search system uses algorithms to convert the selected or drawn image-based query into a mathematical model that describes the features of the object being sought. This converts drawings and objects into a form that computers can work with. The search system then compares the mathematical description of the drawn or selected object to those of 3D objects stored in a database, looking for similarities in the described features.

The key to the way computer programs look for 3D objects is the voxel (volume pixel). A voxel is a set of graphical data-such as position, color, and density-that defines the smallest cubeshaped building block of a 3D image. Computers can display 3D images only in two dimensions. To do this, 3D rendering software takes an object and slices it into 2D cross sections. The cross sections consist of pixels (picture elements), which are single points in a 2D image. To render the 3D image on a 2D screen, the computer determines how to display the 2D cross sections stacked on top of each other, using the applicable interpixel and interslice distances to position them properly. The computer interpolates data to fill in interslice gaps and create a solid image.

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-Manual Systems provides (technical) manuals for mobile
communications devices transmission equipment, voice-exchange device,
and subscriber products. Only members can access the enterprise system
manuals provided via the e-Manual Systems.
However, other contents and product manuals can be freely viewed and
browsed as no member registration is required.

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    Sales and Services of Computers and Computer Peripherals. ....




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    I had rounded up a list of almost every search engine on the Web including top tier, second tier and some really out there search engines that allow you to submit your site for free as many of them have limited crawlers and may or may not ever find your site. Below is that list with the engine name and a direct link to the submission page:


    Automated free search engine submission resources (includes some web directories and niche search engines):

    350 Search Engine Submissions - Link
    140 Search Engines and Web Directory Submissions - Link
    50 Search Engine Submissions - Link
    40 Search Engine and Web Directory Submissions - Link
    21 Search Engines and Web Directory Submissions - Link
    20 Search Engine Submissions (at bottom of page) - Link
    12 Search Engine Submissions - Link

    Individual free search engine submission links:

    Burf - Submission Page
    Exalead - Submission Page
    guruji - Submission Page
    Gigablast - Submission Page
    Entireweb - Submission Page
    FyberSearch - Submission Page
    MixCat - Submission Page
    OneSeek - Submission Page
    WhatUseek - Submission Page
    Scrub The Web - Submission Page
    Search Site - Submission Page
    Infotiger - Submission Page
    SonicRun - Submission Page
    Abacho - Submission Page
    Acoon.com - Submission Page
    Amfibi - Submission Page
    homerweb - Submission Page
    JGDO - Submission Page
    Myahint - Submission Page
    Walhello - Submission Page

    Just Added 3/20/08!

    Big Finder - Submission Page
    Search Hippo (requires free registration) - Submission Page
    Web Squash - Submission Page
    W8 Search - Submission Page
    Tower Search (requires registration) - Submission Page

    Just Added 3/21/08 - Decided to add in some of the major players after many requests.

    Baidu (in Chinese, but pretty easy to figure out) - Submission Page
    Google - Submission Page
    Yahoo - (reguires free registration) - Submission Page
    MSN/LIVE - Submission Page
    Search-O-Rama - Submission Page
    Igwanna - Submission Page
    Cipinet - Submission Page

    Just Added 3/25/08

    Navisso - Submission Page
    AxxaSearch - Submission Page
    Dino Search (for kids sites only) - Submission Page
    Boitho - Submission Page
    Gheto Search - Submission Page
    Intel Seek - Submission Page
    Search Ramp - Site Submission
    Ultimate Web Search - Site Submission

    Just added 3/29/08

    Find Once - Submission Page
    Net Search - Submission Page
    Susy Search - Submission Page

    Just added additional Chinese search engines 4/2/08

    iASK - Submission Page
    ZhongSou.com - Submission Page

    Just added 4/7/08

    Famhoo (family friendly search) - Submission Page
    ExactSeek (requires registration) - Submission Page
    AcrossCan (Canadian sites only) - Submission Page
    Megaglobe - Submission Page

    Just added 4/14/08

    AnooX - Submission Page

    Just added 4/20/08

    Alexa - Submission Page
    Aesop - Submission Page
    Shoula! Search - Submission Page
    NetSearch - Submission Page

    Just added 4/22/08

    SearchIt - Submission Page

    Just added 4/24/08

    Biveroo - (in German) Submission Page
    Official Search - Submission Page
    Iconnic - Submission Page
    Coolfishy - Submission Page
    CorrectSearch (requires registration) - Submission Page

    Just added 4/27/08

    Enter UK (UK sites only) - Submission Page
    seeknet - Submission Page

    Just added 4/30/08

    hakia (requires registration) - Submission Page
    gogo - (Russian site) - Submission Page

    Just added 5/4/08

    43N39E - Submission Page

    Just added 5/6/08

    Antya (click on Submit URL) - Submission Page
    VROOSH! (requires reciprocal link) - Submission Page

    Just added 5/12/08

    Searchme - Submission Page

    Just added 5/17/08

    Claymont Search - Submission Page
    Really Big Search (requires registration) - Submission Page
    Search Engine XXX (not adult - requires registration) - Submission Page
    shazee (requires registration) - Submission Page

    Just added 5/23/08

    BoroLook - Submission Page

    Just added 5/30/08

    amidalla - Submit Page
    Wedoo.com (requires registration) - Submit Page
    Stopdog - Submission Page
    searchengine.com - Submission Page
    eXactBot - Submission Page

    Just added 6/13/08

    Vmgo.com - Submission Page

    Just added 6/16/08

    Blue.lu - Submission Page

    Just added 6/29/08

    eBingBong - Submission Page

    Just added 7/1/08

    Jungle Spider (German Sites Only) - Submission Page
    NIGMA.RU (Russian) - Submission Page

    Just added 7/3/08

    Swoogle - Submission Page
    Knoole - Submission Page

    Just added 7/6/08

    XavierSeek - Submission Page

    Just added 7/13/08

    Lexxe - Submission Page

    Just added 7/16/08

    Xoole - Submission Page

    Just added 7/20/08

    eTracking (have to click on 'Add URL') - Submission Page

    Just added 7/27/08

    Zoohoo (Slovakia)- Submission Page

    Just added 7/31/08

    Foovey Search (requires registration) - Submission Page

    Just added 8/6/08

    Cavarzano (Italian) - Submission Page

    Just added 8/8/08

    Yandex (Russian) - Submission Page

    Just added 8/12/08

    Yoozila - Submission Page
    Searchii (click on 'Add your Site' link) - Submission Page

    Just added 9/15/08

    (They are all part of the same network, so submitting to one WILL most likely provide data to all of them)

    Web Portal Guide - Submission Page
    Search Blast - Submission Page
    The Seek Portal - Submission Page
    Find That Website - Submission Page
    Search It Guide - Submission Page
    Find Similar Pages - Submission Page
    Smart Search Guide - Submission Page
    Klik Point - Submission Page
    Hi Seek - Submission Page
    Hot Site Search - Submission Page
    More Web Search - Submission Page
    Peak Search - Submission Page
    Prime Search Results - Submission Page
    Search Box - Submission Page
    Ifernatix Solutions - Submission Page
    The Original Search Engine - Submission Page
    amele - Submission Page
    AZ to ZA - Submission Page
    Dr. Search - Submission Page
    Help You Search - Submission Page
    My Search Pilot - Submission Page
    Therbo Search - Submission Page
    Search Engine Tool - Submission Page
    Your Reply - Submission Page
    Mouse Click - Submission Page
    Dash Launch - Submission Page
    All Best Search - Submission Page
    Better Internet Search - Submission Page
    I Need Search - Submission Page
    Local Search Engine - Submission Page
    Ask the Search Guru - Submission Page
    Searching Portal - Submission Page
    Home Business Data Center - Submission Page
    Go Find Here - Submission Page
    Webmaster Tools - Submission Page
    Sitefind - Submission Page
    Gokoole - Submission Page
    BruneiFM - Submission Page
    AcuSearch - Submission Page
    My Coco Land - Submission Page
    All Can Seek - Submission Page
    All U Search - Submission Page
    All We Seek - Submission Page
    And Search - Submission Page
    AskSearch - Submission page
    Beat Bop - Submission Page
    Best City Search - Submission Page
    Best Net Search - Submission Page
    Big Splash - Submission Page
    Computer Seek - Submission Page
    DigiCrawl - Submission Page
    Dot Search - Submission Page
    Easy To Search - Submission Page
    Final Search - Submission Page
    Find This - Submission Page
    Find Path - Submission Page
    Find Your Search - Submission Page
    FindZilla - Submission Page
    Fitter Bitter - Submission Page
    Search Network - Submission Page
    Hip Flip - Submission Page
    Hypno Search - Submission Page
    Lightning Search - Submission Page
    Meta Search Live - Submission Page
    MicroSeek - Submission Page
    Mota Crawler - Submission Page
    One Search Nation - Submission Page
    Querybit - Submission Page
    Rapid Crawl - Submission Page
    Refresh Line - Submission Page
    Remote Search - Submission Page
    Search Mind - Submission Page
    Search Quick - Submission Page
    Search Bell - Submission Page
    Sly Seek - Submission Page
    SparkleBerry - Submission Page
    Surfer Search - Submission Page
    Sweet Search - Submission Page
    Teeter Totter - Submission Page
    Text Billboards - Submission Page
    Think Seek - Submission Page
    Thunder Seek - Submission Page
    World Seek - Submission Page
    Wow Seek - Submission Page
    Yuppy Search - Submission Page
    Maddog's Profiles - Submission Page
    WaWiz - Submission Page
    More Web Search - Submission Page
    Find Portal - Submission Page
    exopple - Submission Page

    Just added 9/22

    iDoFind.com - Submission Page

    Just added 9/25

    DeepIndex (in French, but indexes English pages also) - Submission Page
    SpongeLink (currently only US and UK sites) - Submission Page

    Just added 9/26

    ubExact - Submission Page

    Just added 10/9

    TROPICA (in German, but appears to accept English sites) - Submission Page
    www.search.ch (Swiss, but offers multiple languages) - Submission Page

    Just added 10/10

    XOLA (Vietnamese, but appears to accept English sites) - Submission Page

    Just added 10/18

    Thorseek (UK only sites - URL must end in suffix '.uk') - Submission Page

    Just added 10/21

    WEBoFANT (Swiss only sites - URL must end in suffix '.il' or '.ch') - Submission Page
    Oriango - Submission Page
    Find Once - Submission Page

    Just added 11/5/08

    cuil - Submission Page

    Just added 11/9/08

    Harmony Search (text mostly in Japanese) - Submission Page
    WASALive! - Submission Page
    Anopt (in Russian) - Submission Page
    Rambler (in Russian) - Submission Page

    Just added 11/16/08

    META (Ukranian - requires registration) - Submission Page

    Just added 12/01/08

    Seznam (Czech) - Submission Page
    acoon.de (German) - Submission Page

    Just added 12/8/08

    fastbot (German) - Submission Page
    Semager (German) - Submission Page
    KOBALA (Dutch) - Submission Page

    Just added 12/18/08

    Super.Info - Submission Page
    Zatka (only Indian sites) - Submission Page
    Abraham Search - Submission Page

    Just added 12/19/08

    Insitor (German) - Submission Page
    Pogodak! (Croatian) - Submission Page

    Just added 12/26/08
    4-everY-1 - Submission Page

    Just added 1/6/09
    Searchers (UK) - Submission Page

    Just added 1/13/09
    onkosh (in Arabic) - Submission Page

    Just added 1/23/09
    Redzee - Submission Page (please note that is says that submissions are to only update the image used in visual portion of the engine results, it will add new sites in this way also)

    Just added 1/28/09
    Majestic-12 - Submission Page

    Just added 2/11/09
    SearchWiz - Submission Page

    Just added 3/4/09
    Sagoon (requires registration) - Submission Page

    Just added 4/5/09
    ODCN.org (Chinese) - Submission Page
    NetSprint (Polish) - Submission Page

    Just added 4/19/09
    Nepal Search (Nepal sites only) - Submission Page
    YAAL.DE (German) - Submission Page

    Just added 4/20/09
    All Xplore - Submission Page

    Just added 4/29/09
    Mardox - Submission Page

    Just added 5/4/09
    AnazitisiS - Submission Page

    Just added 5/5/09
    Yasmos - Submission Page

    Just added 5/11/09
    Najdi.si - Submission Page

    Just added 5/13/09
    HopHunt - Submission Page

    Just added 5/21/09
    STSEEK - Submission Page

    Just added 5/25/09
    Cnous.ch (French sites only) - Submission Page
    Thagodz - Submission Page

    Category :

    manikanta

    contact 9985059947
    earn money online

    Category :

    AMD raises layoff count
    30 Dec, 2008, 1003 hrs IST,REUTERS

    SAN FRANCISCO: US chip maker Advanced Micro Devices Inc said that it laid off 600 workers, 100 more than first announced, and was taking yet anoth
    er charge related to its $5.4 billion purchase of ATI Technologies Inc.

    AMD said it cut 600 employees in its most recent quarter, compared with the 500 it had originally planned. As a result, the company now expects to record $70 million in restructuring charges, versus the $50 million it previously predicted.

    In addition, the new cost reductions would result in more charges in the first half of 2009, although AMD would not provide an estimate.

    The chip maker also said it would take a goodwill impairment charge related to its 2006 acquisition of graphics chip maker ATI. AMD said its decision was "based on the results of an updated, long-term financial outlook" for the business, according to a filing with US securities regulators.

    The company said it could not estimate the size of the charge, which would be material and non-cash, according to the filing with the US Securities and Exchange Commission. A company spokesman declined to provide any further detail.

    It is the latest charge AMD has taken related to its purchase of ATI. In the June quarter, the impairment charge totalled more than $800 million.

    In the December quarter, AMD said it would also take a $20 million impairment charge on its investment in flash memory chip maker Spansion Inc.

    Shares of Sunnyvale, California-based AMD closed down 8 cents at $2.10.

    Category :

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