E Ink ( Electrophoretic Ink ) Technology

               E Ink is the creator of electronic ink. You may have seen our displays in the Amazon Kindle, Barnes & Noble Nook, Novatel MiFi and many other devices. We refer to our displays as electronic paper, or ePaper. This ePaper takes the best elements of the printed page, and merges it with electronics to create a new generation of paper - a low power, instantly updateable paper - and just like your favorite book, readable even in the brightest sunlight.

                                     

 

AMOLED DISPLAY

AMOLED (active-matrix organic light-emitting diode) is a display technology for use in mobile devices and televisions. OLED describes a specific type of thin-film-display technology in which organic components form the electroluminescent material, and active matrix refers to the technology behind the addressing of pixels.
As of 2012, AMOLED technology is used in mobile phones, media players and digital cameras, and continues to make progress toward low-power, low-cost and large-size (for example, 40-inch) applications

An AMOLED display consists of an active matrix of OLED pixels that generate light (luminescence) upon electrical activation that have been deposited or integrated onto a thin-film-transistor (TFT) array, which functions as a series of switches to control the current flowing to each individual pixel.Typically, this continuous current flow is controlled by at least two TFTs at each pixel (to trigger the luminescence), with one TFT to start and stop the charging of a storage capacitor and the second to provide a voltage source at the level needed to create a constant current to the pixel, thereby eliminating the need for the very high currents required for passive-matrix OLED operation.TFT backplane technology is crucial in the fabrication of AMOLED displays. The two primary TFT backplane technologies, namely polycrystalline silicon (poly-Si) and amorphous silicon (a-Si), are used today in AMOLEDs. These technologies offer the potential for fabricating the active-matrix backplanes at low temperatures (below 150 °C) directly onto flexible plastic substrates for producing flexible AMOLED displays.

Zettabyte File System

 

ZFS is a 128-bit file system developed by Sun Microsystems in 2005 for OpenSolaris.

The maximum volume size for a ZFS volume is 2 to the power of 64 for a total of 18 exabits. The maximum number of files in a directory which ZFS supports is 2 to the power of 48 or 281,474,976,710,656 files. The filename can have a maximum length of 255 characters.

ZFS supports deduplication.

RAID is supported by ZFS. ZFS does support RAID-1, except that more than two disks can be mirrored. Other RAID supported is not the standard RAID types, but RAID-Z. Specifically, ZFS supports RAID-Z levels 1, 2, and 3. RAID-Z1 will mirror small blocks across disks instead of using parity. RAID-Z2 uses double the parity across disks to allow for a maximum of two disks to fail and the data on the RAID volume to remain accessible. RAID-Z3 uses triple parity to allow for a maximum of three disks to fail before the volume is inaccessible. When a large disk fails on a RAID system, it takes a long time to reconstruct the data from the parity. Disks with storage capabilities in the high terabyte range can take weeks for data reconstruction from parity. Using a higher level of RAID-Z allows for the disks to not be slowed down by allowing disk access and data repair at the same time.

For increased size, ZFS supports Resizing. The file system can cover multiple block devices. In this case, multiple drives can be joined in a ZFS Storage Pool (zpool). Each device, or hard disk, is a virtual device (vdev). If one vdev fails, the whole zpool goes offline. To prevent this from occurring, a zpool can be implemented with RAID so it has redundancy to remain online in case of failure. The ZFS file system can support up to 18,446,744,073,709,551,616 vdev devices in a zpool. The same number is the amount of zpools on a system.

It should be noted that when a volume has RAID enabled (RAID 0 - striping), the volume can be increased by Resizing. When a new drive is added to a RAID volume, the stripes are dynamically resized to allow for the new drive to be included into the RAID set.

Snapshots allow for an image that can readily be used for making a backup and not require files to be locked. Files can also be skipped in some cases if the file is opened and being modified at the time of the backup. For writing, clones can also be used.

A zpool can support Quotas to limit the available space to a user or group. Unlimited access can allow certain users and/or groups to fill drives to full capacity.

To compensate for drive speed, ZFS uses a cache algorithm called ARC. For data that is accessed often, ZFS will keep the data in RAM, which is faster than a hard disk. If the data is no longer accessed as much, the data is not cached in RAM. If the hardware system has low RAM, then the caching is not managed and all data is stored on disk only. ZFS works with low memory systems, but works better with higher amounts of RAM.

All pointers to a block use a 256-bit checksum to provide data integrity. Data is written as a Copy-On-Write (COW). Data is written to new blocks before the pointer is changed to the new block location. Once done, the old blocks are marked as unused. Blocks are not overwritten.

Blocks can be of variable sizes, up to a maximum of 1,024 KB. When Compression is enabled, variable block sizes are used to allow for smaller block usage when a file is shrunk.

ZFS supports compression. Compression is used to reduce file size before storing it on disk. Compression saves space on the drives and produces faster reads. Since the data is compressed, there is less data to be read from the disk. Write times can also be reduced, but it does require a little overhead to compress before a write and uncompress after a read. Compression/decompression is performed by the CPU. The available compression methods are LZJB and gzip.

NVIDIA Tesla Personal Supercomputer

            The Tesla Personal Supercomputer is a desktop computer that is backed by Nvidia and built by Dell, Lenovo and other companies. It is meant to be a demonstration of the capabilities of Nvidia's Tesla GPGPU brand; it utilizes NVIDIA's CUDA parallel computing architecture and powered by up to 960 parallel processing cores, which allows it to achieve a performance up to 250 times faster than standard PCs, according to Nvidia. At the heart of the new Tesla personal supercomputer are three or four Nvidia Tesla C1060 computing processors, which appear similar to a high-performance Nvidia graphics card, but without any video output ports. At the heart of the new Tesla personal supercomputer are three or four Nvidia Tesla C1060 computing processors, which appear similar to a high-performance Nvidia graphics card, but without any video output ports. Each Tesla C1060 has 240 streaming processor cores running at 1.296 GHz, 4 GB of 800 MHz 512-bit GDDR3 memory and a PCI Express x16 system interface. While typically using only 160-watts of power, each card is capable of 933 GFlops of single precision floating point performance or 78 GFlops of double precision floating point performance.

5G TECHNOLOGY

            

             5G (5th generation mobile networks or 5th generation wireless systems) denotes the next major phase of mobile telecommunications standards beyond the current 4G standards. 5G is also referred to as beyond 2020 mobile communications technologies. 5G does not describe any particular specification in any official document published by any telecommunication standardization body.

Although updated standards that define capabilities beyond those defined in the current 4G standards are under consideration, those new capabilities are still being grouped under the current ITU-T 4G standards.

                    A new mobile generation has appeared approximately every 10th year since the first 1G system, Nordic Mobile Telephone, was introduced in 1981. The first 2G system started to roll out in 1991, the first 3G system first appeared in 2001 and 4G systems fully compliant with IMT Advanced were standardized in 2012. The development of the 2G(GSM) and 3G (IMT-2000 and UMTS) standards took about 10 years from the official start of the R&D projects, and development of 4G systems started in 2001 or 2002.Predecessor technologies have occurred on the market a few years before the new mobile generation, for example the pre-3G system CDMA One/IS95 in the US in 1995, and the pre-4G systems Mobile Wimax in South-Korea 2006, and first release-LTE in Scandinavia 2009.

Mobile generations typically refer to non–backwards-compatible cellular standards following requirements stated by ITU-R, such as IMT-2000 for 3G and IMT-Advanced for 4G. In parallel with the development of the ITU-R mobile generations, IEEE and other standardisation bodies also develop wireless communication technologies, often for higher data rates and higher frequencies but shorter transmission ranges. 

CLOUD COMPUTING

                Cloud computing is clearly one of today’s most enticing technology areas due, at least in part, to its cost-efficiency and flexibility. However, despite the surge in activity and interest, there are significant, persistent concerns about cloud computing that are impeding momentum and will eventually compromise the vision of cloud computing as a new IT procurement model. In this paper, we characterize the problems and their impact on adoption. In addition, and equally importantly, we describe how the combination of existing research thrusts has the potential to alleviate many of the concerns impeding adoption. In particular, we argue that with continued research advances in trusted computing and computation-supporting encryption, life in the cloud can be advantageous from a business intelligence standpoint over the isolated alternative that is more common today.

                   Cloud computing is the most popular notion in IT today; even an academic report from UC Berkeley says “Cloud Computing is likely to have the same impact on software that foundries have had on the hardware industry.” They go on to recommend that “developers would be wise to design their next generation of systems to be deployed into Cloud Computing”. While many of the predictions may be cloud hype, we believe the new IT procurement model offered by cloud computing is here to stay. Whether adoption becomes as prevalent and deep as some forecast will depend largely on overcoming fears of the cloud.Cloud fears largely stem from the perceived loss of control of sensitive data. Current control measures do not adequately address cloud computing’s third-party data storage and processing needs. In our vision, we propose to extend control measures from the enterprise into the cloud through the use of Trusted Computing and applied cryptographic techniques. These measures should alleviate much of today’s fear of cloud computing, and, we believe, have the potential to provide demonstrable business intelligence advantages to cloud participation.Our vision also relates to likely problems and abuses arising from a greater reliance on cloud computing, and how to maintain security in the face of such attacks. Namely, the new threats require new constructions to maintain and improve security. Among these are tools to control and understand privacy leaks, perform authentication, and guarantee availability in the face of cloud denial-of-service attacks

Google Drive vs. One Drive vs. Dropbox

Automatic photo upload
Both Dropbox and One Drive have the option to automatically transfer photos from your phone to the cloud. This allows you to delete old photos and free up space on your phone. While you can upload photos to Google Drive, you’ll have to do so manually as there’s no ‘Automatic upload’ feature.

Camera backup on One Drive and Dropbox

Creating and editing documents
With Dropbox, you can open office documents such as spreadsheets and Word files. But you can’t edit them from within the app. However, are given the option to open files on any document-editing app such as Google Drive or Office Mobile.

One Drive opens documents, spreadsheets etc on Office Mobile – Microsoft’s free Office app for mobile. If you don’t have it installed, the app asks you to download the app so you can proceed. This is the default setting, but you can change this by un-checking Office Mobile in the settings.

You can’t edit documents in Google Drive for iOS either – it makes use of office apps such as Google Docs or Office Mobile for editing documents.

Privacy
If you intend to save personal files on the cloud, you can’t possibly ignore its privacy features. All the three apps – Dropbox, One drive and Google Drive ensure that files are private, unless you choose to share them with others. However, Dropbox and Google Drive also includes an option to lock the app with a passcode so that no one other than you can access the stored files.

Locking features in Dropbox and Google Drive

Sharing
Sharing is Google Drive’s strongest feature, which gives it an edge over Dropbox and One Drive. You can either choose anyone with the link to access your files, or assign specific people who can view, comment or edit photos.

Both Dropbox and One Drive let you share files only by sending the link to the files. The receiver gets a copy of the file and cannot make changes or add comments to the original file.

Features
Dropbox has some of the best features out of the the three options. It comes with a linking system, which allows you to connect your desktop to your Dropbox account. This it does by just clicking a picture of your desktop screen.

The Dropbox app lets you link to a computer in three steps

One Drive comes with 18GB of free storage space, while Google Drive comes with 15GB. Dropbox comes with 2GB of free storage when you sign up, though it increases as you use the app. For example, you get extra space every time you add a new device to Dropbox such as your smartphone or PC. Unlike One Drive and Google Drive, Dropbox does not have any file-size restrictions either.

All the three storage apps let you print, delete and move files between folders from within the app.