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Of Computers And The Medical System By : Joshua Wills Computers and technology have long played a role in the medical system. In more recent years, however, computers have started to become an increasingly relied upon method for helping to keep patient records straight and for keeping people healthy. In fact, the use of computer sciences combined with the information sciences in the medical field has become so prevalent that a term has been developed to describe this merging of fields: health informatics. Health informatics, ... Quickly Generate One Network Inventory By : Robert Snoog Do you want to take control of the hardware and software on your networks, It is easily and quickly, some Network Inventory software can help you. These software help you get complete information about the OS, service packs, hot fixes, hardware, software, and running processes on remote PCs. You can use these Network Inventory software to Find and track hardware and software over LAN or WAN networks, be informed when changes occur on the IT Assets that you manage, streaml... Screensavers With Animations And Sounds By : Iavor Angelov A screensaver is software automatically activated after a PC screen has been inactive for some time and it displays a blank screen or various moving images. The duration after which a screensaver gets automatically activated can be defined by the user. For example, if the user defines 20 minutes as the time duration, the screensaver becomes active when the PC is inactive for 20 minutes. Screensavers with animations and sounds can be amusing to watch and if they also come w... Headsets: The Many Different Types By : Susan Fielding The world of headsets has evolved greatly over the last decade or so. When headsets were first invented, all of these pieces of equipment were bulky and never considered to be portable in nature. As the years have passed and technology has made headsets more compatible and have more features, these devices have become more popular. There are many different varieties of headsets. These can range from call center headsets, wireless headsets, Bluetooth headsets, and telephone he... Blue Tooth GPS: Where PC And Position Meet By : Benjamin Adamson Technology has brought about many ingenious devices. It drives on. The Personal Computer began limited programming tools that could do much, but required programming that wasn't available. That changed dramatically over a quarter of a century. Along the way many wireless technologies such as Blue tooth came that make it even handier than ever; eliminating mounds of wires that made up computer systems all over. The GPS unit has done the same in respect to stacks of maps to ... Patch Management For Home Users By : Jake Foster For server administrators, patch management can be a way of life. But for home users, patch management is a distant thought in most home computer users. Knowing when to patch products and how often patches need to be applied are some of the questions that most home users never think about. Knowing what to patch and when can make a difference in the security of your home computer or network. Automating Patch Management More and more programs are now offering auto update ... Bluetooth Headsets: Overview By : Linda Miller It seems that every day, virtual movers and shakers are introducing new products and systems to make our lives a little bit easier. Bluetooth technology is one of the biggest advances to hit the market. Bluetooth wireless technology makes it easy and convenient for users to enjoy wire-free, short-range communication between devices. It is a globally available standard that connects portable computers, mobile phones, MP3 players and even cars, all without wires. People who u... Powerful File Sharing With Blubster By : Jackson Wilson What is Blubster? Blubster is a peer to peer file sharing network (mainly a music-sharing network) utility created by Pablo Soto, who works under Optisoft. In 2003, Blubster had more than 80,000 users worldwide, often reaching 100,000 during peak times, and has now become a major p2p community. The p2p network now claims to have more than 263,213 users, sharing ranks with well-known networks such as Overnet, DirectConnect, Gnutella, FastTrack and eDonkey2000. Blubster ... Diy Guide To Selecting The Right Tool For The Database Project By : Irene Kopaliani As any person, who remodeled their home, will tell you that “choosing the right tool for the right job” makes all the difference. The same statement applies when choosing the right database for a project. Some databases are basic, some are “battery operated” and some are “mighty power tools.” Below is a guide on selecting the perfect database for the right project. When you only need to store a limited amount of data and require a quick and easy development cycle, Microsof... 5 Common Problems Overlooked By Business It Networks. By : John Hammond IT Networks though simple, require extensive planning to ensure stability, yet we often encounter businesses that are acquainted with the imperative role networking plays in the efficient functioning of their company. Informed business entrepreneurs often opt to upgrade their networking systems to suit their organizational structure. Although upgrading is an expensive, time consuming process, its benefits are ten fold. Though, there are some small size companies that insis... Some Differences Between Bluetooth And Infrared By : Yvonne Volante f you are not sure about Bluetooth and what it is, perhaps we can enlighten you a bit. To be sure, it has nothing to do with being unhappy with the market your dentist did when he last cleaned your teeth. What Bluetooth is is a terrific ppiece of technical knowledge that helps to bring with it the promise of freedom from cables along with the simplicity in networking that has yet to be matched by LAN. It can and is used in a variety of electronic devices, the most familiar... Off Site Data Storage By : June Mala Why in this day and age of enormous hard drives and portable storage drives that can be carried in your pocket without even realizing it’s there would anyone want to trust an off site data storage site? Well, for one thing, let’s say you’re on vacation and you don’t have a laptop. But you do have access to a computer via the hotel or an internet café or something like that. You may want to check up on some documents and so what do you do? You sign in to your off site data ... The Evil Packet Sniffer By : Eran Aharonovich A "Packet Sniffer" is a utility that sniffs without modifying the network's packets in any way. By comparison, a firewall sees all of a computer's packet traffic as well, but it has the ability to block and drop any packets that its programming dictates. Packet sniffers merely watch, display, and log this traffic. One disturbingly powerful aspect of packet sniffers is their ability to place the hosting machine's network adapter into "promiscuous mode." Network adapters... Glossary Of Terms (S - Z) - CCTV By : Instrom Ltd S/N RATIO Signal-to-Noise ratio is calculated with the logarithm of the normal signal and the noise RMS value. SCENE ILLUMINATION The average light level incident upon a protected area. Normally measured for the visible spectrum with a light meter having a spectral response corresponding closely to that of the human eye and is quoted in lux. Scotopic Vision levels are illumination levels below 10-2 lux, thus invisible to the human eye. Silicon. The raw material of which ... Glossary Of Terms (M - R) - CCTV By : Instrom Ltd MAGNIFICATION RATIO The ratio between the focal length of a lens and the focal length of a standard angle lens. Indicates the magnification of the image when compared to an image from a standard angle lens. MANUAL IRIS Type of lens that requires manual focusing. MATRIX SWITCHER Advanced type of switcher in which a signal from any input can be switched to any number or combination of outputs. Generally used in larger and more complex systems the matrix will usually al... Glossary Of Terms (D - L) - CCTV By : Instrom Ltd DARK CURRENT Leakage signal from a CCD sensor in the absence of incident light. DARK NOISE Noise caused by the random (quantum) nature of the dark current. DECIBEL (DB) A logarithmic ratio between two electrical signals or values. Usually refers to power, but can also be used for voltage and current. DC Direct Current. DE-MULTIPLEXING The process of separating different video, audio, or data signals, which were multiplexed at source. DEPTH OF FIELD The di... Glossary Of Terms (A-C) - CCTV By : Instrom Ltd AC Alternating Current ACCESS CONTROL SYSTEM Electronic system used to allow, restrict and track the movement of people through entry/exit points in a site. This is achieved through the use of electronic individual codes, keys or cards etc, to release a locking mechanism. ACTIVITY DETECTION A feature built into some multiplexers, which is used to detect movement within a camera’s field of view that is then used to improve camera recording update rate. AGC (AUTOMAT... Go Wireless For Always-on Network Connections By : Ken Snodin If you hate having to turn on a modem every time you use another computer on your wireless network, get ready to be happy. There is a way to resolve this problem, and it’s called a wireless router. A wireless router is a small, low-power computer that does nothing but provide Internet access to your wireless network. When you use a wireless router, any computer on your network can be connected to the Internet at any time, regardless of whatever other computers are turned o... Managing It Projects: Theory Or Practice? By : Barry De Boer Information Technology, and the development of business computer systems, is relatively new, by which I mean less than 50 years old. I started in this business in the early 1960s and was involved in the replacement of punched card tabulator systems with punched card computer systems (such as IBM 1400s). As the technologies grew more sophisticated (eg disks, bigger memories and compilers) so the systems we developed became much more complex. As the IT industry grew, so did ... Servers: Just What Are They And Why Do We Need Them! By : Robert Michael Servers at Your Service Servers are what make it possible for you to view what you wish to view on the Internet. At its most basic level, what happens when using servers is that browsers connect to servers, requesting that a Web page be displayed. The servers then send back the pages requested. Internet browsers are what form the connections to Web servers that allow the page to be requested and then received by the end user. There are three parts to a Web page address,... Microsoft Certified Systems Engineer By : Keith George MCSE is a widely known certification provided by Microsoft Corporation and stands for Microsoft Certified Systems Engineers. This certification provides a qualitative impetus to your resume in the Information Technology field. MCSE engineers are known to get good offers financially compared to other engineers of equivalent education. The certification qualifies a person to analyze the business requirements and find solutions in information systems, and the individual is ab... Computer Mice And Their Origin In Our Telephones By : Maxwell Z. Rubin Like so many developments that we take for common on our computers the humble mouse had its origins in the innovative work done for more than two decades at the Xerox Palo Alto Research Center (PARC). The PARC mouse had two rollers for horizontal and vertical motion and a single button. The deucedly boxy shape was favored by many of developers at PARC and remarkably has persisted through many mouse (or mice) incarnations. Firstly the Microsoft mouse design has had major i... The Basis And Concept Of Intranet By : Joe Goertz Many times the older versions of technological advancements will work to give the new versions a better foundation for work. This is the case with most of the things that work to make a business more secure within itself. In today’s day and age there is a real need for security with the companies that operate all over the world. Industrial and corporate theft is at an all time high and this has made the companies of the world fold themselves into the vale of secrecy to protec... Wi-fi Wireless Internet Made Simple By : Maxwell Z. Rubin Just what is all this Wi-Fi wireless internet stuff they are trying to confuse and torment me with? It is actually quite simple, useful and most of all convenient. All you probably want to do is to share your internet connection throughout your home whether it be to other computers or so that you can sit in your bedroom and wirelessly surf the internet or send email. Perhaps as well you wish to share files such as songs throughout the computers in your house, apartment ... Discover The Truths About Computer Information Systems By : Nick P. Bentley Do you know what single form of technology is more important than any other these days? It's likely sitting in your house somewhere. Could it be that mobile phone you chat on several times a day? Or is it the television or cable you watch each night? Well, my guess is that it's neither. In fact I probably don't use either of these devices as much as I use my personal computer, yes the humble PC. How often do you use yours? Are you shopping for your groceries online yet? He... All About Wireless Routers By : James Dyson It is an incomplete computer network without a router. So, what all it does within a network. A router actually transfers data packets along networks. It requires at least two networks for a router to connect, commonly it connects two LANs or WANs or a LAN and its ISP network. As a connecter device, routers are positioned at gateways, where two or more networks are connected. Routing in the Internet Routing is the technique using which data get its transfer path from on... 10 Major Reasons To Switch To Linux By : Max Rubin 1. It Doesn't Crash Linux has been time-proven to be a reliable operating system. Although the desktop is not a new place for Linux, most Linux-based systems have been used as servers and embedded systems. High-visibility Web sites such as Google use Linux-based systems, but you also can find Linux inside the TiVo set-top box in many livingrooms. Linux has proved to be so reliable and secure that it is commonly found in dedicated firewall and router systems used by hig... The Facts Of USB And USB Cables By : Donald Wilson The Universal Serial Bus (USB) has been around for a number of years, and its creation has solved the problem of a lack of or incompatible connections available to link computer peripherals to a computer. Before USB was available, most devices were required to connect to a computer by using parallel and serial ports. These two ports have been around for 2 decades, serving effectively in linking computer peripherals to a computer. Unfortunately there was a problem: a standard ... Commuter Resources On The Web By : Madison Lockwood There are a ton of resources available online to help you find what you need to make your commute to and from work as painless as possible. From weather reports to carpool hook-ups to route guides, there's something for almost every city in the country with a population of over 50,000. Local Community Transit If there's a local transit system in your town - buses, trains, subways - then there is a website for that system. On the home page, you will find updates about wh... Peer To Peer (P2P) File Sharing: How It Works By : Peter Nisbet Peer-to-peer (or P2P) file sharing systems connect users (called nodes) directly together. Some are true networked systems while other contain an element of the client-server structure. That is they contain an element of the original Napster centralized server system where clients are fed by a central server. Examples of this are the original Napster (Napster is now a ‘pay for music’ site) and OpenNap which replicates the original Napster functionality. It was the central ... Is Your Wireless Network Secure? By : Jeremy Whittaker Networking professionals are encouraging people to think twice about wireless network security. You might be thinking I use WEP-128 bit encryption with MAC address filtering, I’m safe. Or you may be you’ve never even heard of WEP, if this is the case you might want to unplug your wireless access point immediately. But then again look at the bright side at least you don’t have the false sense of security that your network is secure. Perhaps you are the smart guy who knows how ... Home Wireless Networks Are More Popular Than Ever By : George Royal It is now very simple to set up home wireless networks. Wireless networks are very popular and are found in many places such as cafes and other public areas. There are no actual cables and the set up is very minimal. With the boom in this technology and an increase in the manufacture of this technology this has resulted in a decrease in the cost of setting up wireless networks and made them available to the typical user. This means the technology is no longer affordable by on... What Do You Think Is A Green Laser Pointer For? By : John Zeta A laser pointer is a type of laser in a movable, pen-shaped form that is normally of design to be held by hand. Laser pointers are most generally used to display a point of light that could show things of curiosity, for example during a presentation. On the last few years laser pointers received attention in the public press and roused some public curiosity. As a consumer product, laser pointers are decided to be harmless when its used for their designed end use. Sadly, howev... How To Build An Effective Mail Server Defense By : Liviu Anghel A multi-stage approach to securing your email communication When speaking of mail server-related security, one tends to limit the issue to message applied security measures, and even more to Antivirus and Antispam protection. This is however only one stage in the more complex process of securing your server. This article aims at identifying and explaining all security layers, highly important when choosing a certain mail server and consequently when configuring and using i... What Is Wifi , What Are Wifi Hotspots & What Can They Do For Me? By : Jose Miguel Poza Wifi is an internet technology which allows you to access the internet within a local area without the need to physically connect your computer to a computer network, instead a wireless broadband signal is sent around the local area allowing computer users to connect to the internet in that area wirelessly. In case you were wondering Wifi stands for Wireless Fidelity and Wifi hotspots are public areas where you can access one of these wireless broadband signals. Public places... The Future Of Wireless Technology By : K Snow Wireless technology is gaining ground because of its low cost and ease-of-use. We all are familiar with radio and phone that use wireless technology. There are many more possible practical applications for wireless and the breakthrough developments happening in this field are set to revolutionize the future. Wireless network means less maintenance and less cost. The advent of radio has put a stop to the use of telephones that uses wires to transmit signals. The new age cel... CNC Router Buying Guide By : Patrick Steiner Some technology allowed humans to use machines and program codes to do things that had been done manually. CNC is one of these technologies. CNC routers have been of great help in many fields (signage- making, 3D moldings and furniture, just to name a few). In that regard, it would be very helpful for its users to know how to get the best deal and quality on their next purchase of CNC routers. Here are some tips on how you can get the best CNC routers. 1. Buying CNC ... Accelerate Team Collaboration: Communicate Instantly With An Extranet By : Laura Schweiker An extranet is a web-based tool that provides a secure environment for the organization and exchange of documents and information among a defined group of users. Extranets are often used to support team collaboration in circumstances where the team members are geographically dispersed or are drawn from variety external organizations. Examples include a group of departments within a company that collaborate on a common project, or service companies that collaborate with a v... USB Flash Drives - Portable Storage At Its Best By : Gabriel Adams A USB flash drive is a small portable storage device that plugs into the USB port on your computer. A USB drive can hold anywhere from a few Megabytes up to 64 Gigabytes or more. Because USB flash drives use the USB interface and the USB mass storage standard, they do not need a driver, and are compatible with virtually every modern computer. Nearly all modern computers have support for USB built into the operating system. USB drives range in price from a few dollars, u...

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