You are currently browsing the Computer hardware information weblog archives for October, 2008.
3 dimensional scanning is the procedure for converting the physical entity into accurate digital models. 3 D scanning can be effectively used for scanning cars also. Easily one can capture the details about the object that is being scanned, including shapes and geometries. With the help of 3 D scanning one gets the digital representation of the object. This data can be used for reverse engineering, and quality inspection.
DLT (digital linear tape) tape technology is cost effective, robust and highly reliable. DLT is one of the most successful and popular backup tape formats. Based on the technology of DLT, Quantum has introduced SDLT 600A tape drive system (video centric). Quantum SDLT-600A has “DLT-exchange”, which enhances the work flow effectively and reduces the cost. Quantum SDLT-600A when connected to network through Gigabit Ethernet having FTP access (built in), provides SDLT-600A interoperability like SDI (serial digital interface) video. On the tape of SDLT-600A has a special file system, which makes any tape cartridge readable & accessible anytime, anywhere by any OS and platform.
As soon as the tape cartridge is loaded initially in the Quantum SDLT-600A, the table of contents of the tape is loaded into the tape drive’s RAM memory. Table of contents can be viewed by the user via browsers (FTP client or Window explorer) and Ethernet connectivity. This accessibility has given user has the choice to specify the files that are to be transferred or to restore sub clip’s time segments in partial “file restore”, then the tape drive will access that specific files. The users had to access whole file with the previous video tapes, then they viewed the contents and then afterwards had to determine the segments they wanted to restore. This was very time consuming & manual intensive process.
SDLT-600A along with the “DLT-exchange” utilizes the media of “SDLT II-A” offering native capacity and transfer speed of 300GB & 36MB/second respectively. Transfer of partial file and file metadata’s fast access is possible with the Quantum SDLT-600A. The Quantum drive accesses SD content and High Definition format quicker than “real time” because the data transfer speed of the tape drive is faster than compressed video’s speed of data. For example, HD content of 100MB/second (like DVCPRO-HD) can be 3 times faster transferred than real time and SD content of 25MB/second (like V25) can be 12 times faster transferred as compared to real time.
The audio & video files on rugged cartridge provide a reliable mechanism for transferring of content from & to the “play-out servers” in environments that are mobile like in sporting events the mobile trucks. It is easy to move the SDLT tape-IIA between video facilities and libraries. Risks that are associated with application dependencies and vendor can be minimized because there is a file system (built-in) in each SDLT tape-IIA cartridge. All applications can access this file system.
In situation of disaster recovery, tape cartridges from archive can be inserted into any tape drive to retrieve the content. The benefit of the SDLT random access technology over the other storage systems (hard disk or optical disk) is the cost. In comparison to the data storage technologies like the hard disks and optical disks, the DLT & SDLT tapes are more cost effective.
The SDLT tapes have longer shelf life and they can store data for longer period of time in cost effective manner. Quantum SDLT tape cartridges are reliable for the physically transfer of critical data and information. This is important if the networks are non existent, incompatible or too slow.
Identity cards have become common place in daily life. We use them for gym membership, library cards, driving licences and employee id badges, to name a few. Most have been produced using a card printer. The old labour intensive method of cutting, pasting and laminating an identity card is fast becoming a thing of the past. Using a digital card printer is a one step process. The information including text, graphics and pictures are all stored on a computer, enabling a replacement card to be easily re-printed.
There are several factors to consider before purchasing a card printer, and this article will deals with some of them.
Card printers will generally print a card of the standard and accepted dimensions. The standard is the CR-80 Card, which is 30 microns thick, or .75 millimetres, by 85.5 millimetres long and 54 millimetres wide with rounded corners. We have come to expect a plastic card to be this size, though different sizes can be accommodated for special purposes.
Card printers range from those suitable for high volume needs to the simpler card printers suitable for the occasional use. It is likely, however, that most people will be more interested in the latter. As with paper document printers, card printers are capable of printing at different speeds. It will be especially useful to have fast speed capabilities if you need to print both sides of a card. Printers offering this are likely to be more expensive.
Card printers come in a variety of sizes. If you lack office space, then a printer with a small footprint that takes up minimum space will serve you best. Larger printers may also be noisier, and in a small enclosed office space this will be a factor to consider, especially if you will be doing regular printing.
Not everyone is an instant expert with modern technology. For this reason card printers that have a difficult operating learning curve should be avoided. The best card printers are those that anyone with minimal technical experience can get to grips with, in the minimum amount of time. Remember that while an employee may be comfortable with operating a standard printer used for A4 documents, card printer can prove an unfamiliar challenge. Choose a printer that is simple to set up and is easy to use.
Card printers use a thermal digital printing process. There are two distinct types of thermal printing, depending on what you wish to achieve.
Mass transfer printing is most suitable for printing bar codes and machine-readable text. The print is usually only black and the quality can be somewhat variable. This method works well when precision is not a requirement.
The other thermal printing method is dye sublimation. This method is used in card printers to render photo-realistic images on cards in full colour. It can print very accurately and is increasingly the printing method of choice.
Other considerations when choosing card printers include using good quality stock plastic cards to achieve the best results. A specialist card printer retailer or manufacturer will be to advise you on this and help choose the best type of card printer for your particular requirements.
First, we are spelling Ferari correct. We do not want to cause problems with the car manufacturer of a similar name. We respect their product and wish to not cause conflict with them.
One of the latest notebooks launched by Acer is the Aspire 5315 notebook PC which is powered by 2.0 GHz Intel Celeron processor (M550). It comes operational with a DVD super multi 8 x Double layer and inbuilt camera.
From a Xerox Copier Supplies Company you can buy many different types of copier hardware and software items to make your office work function better. Before buying a copier, do a research on what activities are carried out in your office or department. This way you will know your office and copier needs. After this, schedule a visit to your local office supplies store with a list of the needed items.
Adding a nice chunk of extra storage space for your computer with a new hard drive can be exciting, like getting a storage shed for the back yard to store and organize tools and toys. However, there are more reasons than storage capacity to buy a hard drive, and size isn’t the only thing that matters when comparing your options.
Why Buy a Hard Drive?
Most people buy hard drives out of necessity - their current hard drive is old or too small or doesn’t work at all. Or they may have recently purchased a computer that came with a drive that had limited storage, so they want to swap the drive out for a bigger one. Smart computer users may buy extra hard drives as a backup solution; and demanding techies and gamers may upgrade their drive for optimal performance.
Jump drives / flash drives / thumb drives and online storage are other popular options for storing and transporting data, but are generally considered to be less robust, temporary solutions compared to hard drives. They are intended to complement a hard drive rather than replace one.
Hard Drive Features
Whatever their reasons for buying a hard drive, shoppers usually compare the following features:
Storage Capacity
At first, those 80 gigabytes of storage may seem like way more than necessary, but as software is added, files are created and information is downloaded, those GBs will fill up fast. Then it’s time to either clean stuff out or buy an additional “container”. So for capacity’s sake, it’s better to go bigger.
Like any storage space, hard drives work best when well-organized so that time is not wasted in search of pieces and parts. Dividing a large hard drive into smaller partitions can help, but the bigger the space, the longer it takes to search it - each and every time. By using several smaller drives instead of one big one, storage capacity is unlimited, backups of data can be made easily, and performance is not sacrificed for size. This is accomplished with RAID (Redundant Array of Independent Disks) technology, where multiple hard drives are grouped together so the computer sees them as one. RAID controllers are bought separately to manage the array (multiple drives).
Speed / Portability
Hard drives have platters that spin, and a read/write head or “needle” that reads them like a record player. Hard drives that:
have platters that spin faster (at higher RPM)
can transfer information faster (media transfer rate)
use less power
are connected to the computer with speed-optimizing cables or cards
These drives can make a big difference in overall computer speed.
Some drives are installed inside a computer, while others can be connected externally. Portable or external hard drives are designed for frequent transport between computers. They generally hold much more information than the largest jump/flash/thumb drives. A general rule for choosing between them is: installed drives perform faster because it takes less time for them to exchange messages with the computer.
Shock Resistance / Heat / Sound
A hardy hard drive goes a long way toward preventing data loss. Shock resistance - how well a hard drive can take being dropped, banged, etc. - is especially important when considering portable drives. This is another good reason for a primary drive to be installed in a computer rather than connected externally.
High-powered drives can generate a lot of heat, which can reduce the life of the drive. The faster or hotter the drive, the more cooling is required. Ways of managing temperature include installing extra fans or upgrading, making sure vents are not covered, and keeping the computer well ventilated, in a cooler room and off the floor.
Some hard drives, especially faster ones or those that are bigger in physical size, can generate a lot of noise. To cut down on noise, look for low-noise disks, compare dBa levels and store the computer in a cabinet rather than out in the open.
Backup / Reliability
Extra hard drives — especially portable ones — make great backup solutions. Hard drives used primarily for backup should provide enough storage space to keep three copies of the main drive. For example, if a primary hard drive holds 100 gigabytes, but only 30 gigs are being used, backup drive space should total 90 GB to allow for multiple backups of all software and files. (See the discussion of RAID technology in Storage Capacity above.)
Backups should also be replicated across different technologies. Using a combination of an extra hard drive or RAID array, online data backup and a flash drive for critical information prevents loss of data from mechanical malfunction, loss of that tiny little flash drive, or environmental factors like flooding or fire.
Techie Tip: Don’t put the cart before the horse! The fastest, biggest hard drive is only as good as the computer running it. Although hard drives frequently come with software to help older computers handle the capacity of the drive, some computers simply cannot keep up with high performance drives. Upgrading to a new computer that includes a new hard drive is sometimes the best solution.
In order to know what an Intranet Content Management program is you need to be familiar with an intranet and what it is and what it does. An intranet is the inner internet that is constricted with only certain access from only certain people such as the employees of a company have their intranet that is not accessible by the general public but is accessed only by the people of the company. Many big businesses, medical facilities, and companies have created intranets within their firms in order to help their employees keep involved and keep up-to-date about things that are happening in the company.
An Intranet Content management program is the backbone to this intranet in the aspect that it keeps everything running and keeps all of the content of the intranet where it is supposed to be. Many companies and businesses have created this form of intranet in order to keep the security of their information secure. With the open door policy that most companies have, there are always employees coming and going and having the intranet allows them to keep the information of the business within the walls of the business so that no outgoing employees can market any of the ideas that they may have given to the company while they were employed.
This system also helps the Human Resource department in hiring of new employees and the training of new employees. The system is capable of archiving all of the information that is given in storage of the system and the companies also have the capabilities to integrate training programs within the Content Management system so that the employees can do their training on their own time or in times that are specified by the companies.
This system works really well in the health care industry due to the fact that there are a lot of standards that have to be kept with medical employees. There are laws that make medical staff have to do learning modules every so often in order to stay certified in their job. These learning modules can be integrated into the Intranet Content Management system and the system will keep track of when learning is due for a certain employee and if they did their training or not.
The system has also been very useful for the ongoing tasks of companies to keep their employees up-to-date about possible open positions, upcoming events, upcoming inspections, and even news that they need to know in order to do their jobs if some new law came out that would affect their job. The Intranet Content Management system is a very useful tool for any type of business.
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Trevor Kassulke owns and operates http://www.cmscomplete.com Article Source: http://EzineArticles.com/?expert=Trevor_Kassulke |
It sounds complicated - surely if you want to refill laser cartridges it takes special knowledge or skills? Well despite the best efforts of printer manufacturers - no it doesn’t. You don’t have to mess around with drums, blades or anything - this is in fact the beauty of refilling a toner cartridge - you don’t have to mess around with any of the internal workings of the cartridge at all.
Lets get this straight - there is absolutely no reason why you can’t refill the toner cartridge on the majority of laser printers. The fact is that all the components on the standard laser cartridge are fine for many more prints than you use them - until the printer manufacturers can figure out a way for them to fail quicker that is! It’s all just a commercial decision by the manufacturers - do they want you to refill laser cartridges with ink or buy a brand new one from them? If the toner cartridge is replaced with ink then it’s fine to carry on working and printing. I generally refill my toner cartridges about 3 or 4 times before buying a new laser cartridge. I’ve heard of people who go well into double figures and carry on refilling their cartridges from big bottles of toner ink.
How often you refill the cartridge is dependent on the quality you require and the laser printer? Obviously the other components in the laser cartridge can’t be refilled so they will eventually fail - when that happens you can buy a new laser printer cartridges and refill that with your spare toner when it runs out. The process is extremely easy and varies only slightly on most printers - if you have instructions it takes only about 10 minutes per cartridge maximum.
You should be able to cut your printing costs to around 30% - some people save up to 87% on theirs. The potential savings to small business, schools and individuals can be significant - the added benefit that this is by far the most eco-friendly way of printing. Every time you refill laser cartridges you are saving not only the expense but the 2 liters of oil required to produce a new one - not to mention the landfill if they are thrown away. Check it out - it really is very simple - if you use a reputable supplier - you’ll get full information, top quality replacement toner ink and support if you require it. Refill laser cartridges and save yourself a fortune.
ID card lamination is often associated with large government projects like driver’s licenses or national ID cards, where cards are used for many years. In addition to this, lamination is now increasing in popularity for many types of ID card applications. So, what is it for?