Examsoon 000-743 practice exam
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Vampire adapter Causes
As we know in the average U.S. home, 25 percent of electricity (such as laptop ac power adapter)use by home electronics occurs while the products are off . Is this power used for anything? Do electronics manufacturers hate the environment?
Vampire power causes usually include one of the following:
- The gadget, such as pa 10 ac adapter, constantly supplies a charge, even if the batteries are fully charged or if nothing is plugged into it. Many AC adapters, nicknamed wall warts by some critics, waste as much as 50 percent of the power they use
The gadget uses electricity to power a display screen, an external time display or an internal clock. In some cases, this power usage is justified. For instance, your refrigerator needs to monitor temperature levels in order to power up at appropriate times. When it comes to your radio however, it’s not as easy to justify a constant power drain to keep the digital clock lit.
The gadget never fully shuts down so that it’s ready to use at a moment’s notice. Many printers spend hours in standby mode, waiting to receive signals from connected computers. Before you even pick up your remote control, the TV is already using electricity to power the sensor that will receive the signal.
Vampire power has been on the rise during the past decade, thanks to the proliferation of rechargeable gadgets, computer networks and devices with standby power functions. The United States consumes 26 percent of the world’s energy. Of that energy, approximately 5 percent is vampire power . To put that in perspective, that’s between 200 and 400 terawatt hours — roughly as much electricity as the entire country of Italy consumes in a year. All this energy use enacts quite a hefty toll on the environment. Coal-burning power plants produce carbon dioxide, a leading cause of global climate change. Therefore, less vampire power translates to lower carbon emissions. Even plants that run on nuclear or hydroelectric power produce emissions that can lead to smog and acid rain. This way is also use to laptop batteries .Want to know how to help the environment and save a little money on your power bill in the process? Pick up a few vampire-fighting tactics on the next page.
Slabb Inc. – Providing The People With Reliable Public Internet Kiosks
Fifteen years ago, it would have been hard to imagine a future world so intimately connected by the internet as we are today; fifteen years from now, it may be hard to imagine a past that was not. As internet use grows, it may begin to be perceived as a right, rather than a privilege. Indeed, the European Union has recently conducted parliamentary discussions on “the right to internet” and countries such as Ghana and New Zealand have invested in projects to make broadband internet connections available countrywide. As internet access spreads, we can also anticipate more user-access points around the world.
Public internet kiosks, such as the ones made by Slabb Inc., may become more prolific as we watch internet access expand across the globe. Their secure, ruggedized products are specifically designed for indelicate use in a public environment. Having sold thousands of outdoor public internet kiosks, and tens of thousands of interior kiosks over the past ten years, they have become leaders in the industry and are well-positioned to supply the broadband-connected world with ever more end-user points of access.
Stylish and secure, Slabb Inc’s public internet kiosks are already bringing the internet to the people. Their client roster includes names like United, Hertz, Nissan, Bose, Sears, Boeing, Chanel, Starbucks, and the US army. Businesses seeking to make the internet publicly accessible to their patrons can contact Slabb Inc. as a one-stop shop. Slabb Inc.’s product development group works to design a product that will not only meet the needs of the business owner of the kiosk, but to meet the needs of the patron end-users as well. Their experts can custom-design a public internet kiosk that will meet nearly any requirements. Colors, styles, software applications, ruggedized keyboards and trackballs, touch screen overlays, display screens, logo applications – all of these elements can be customized to fit the environment and the expectations of the patrons who will use the product. Slabb Inc. even offers optional extras such as a travel case, brochure holders, insert card readers, and wireless kits.
To meet the needs of the people using the public internet kiosks, the Slabb Inc. team has developed a number of software applications for the specific solutions. As standard features, the public internet kiosk software manages transactions, prevents unauthorized system access, enables remote system management, updates the owner/administrator of the system’s status, and can interface with other transactional components. If that’s not enough, the team can build customized software applications to adjust to the environment in which the kiosk will be used.
Fast, reliable, user-friendly, publicly accessible internet kiosks will certainly become more and more abundant as broadband access expands. With limited financial resources, some families may become dependent on the internet access they can count on at a public internet kiosk. There may, in fact, come a time when access to the internet becomes a right, and public internet kiosks become an expectation.
For more information or to find out how to order a public internet kiosk, visit Slabb.
A Decade in RF Jamming
Historically, <a href=”http://www.sesp.com/VeryHighPowerBroadband.asp”>broadband jammers </a>have been used by the US and other countries’ militaries during warfare to prevent their enemies from being able to communicate with one another. Ireland used <a href=”http://www.sesp.com/PortableTacticalJammers.asp”>frequency jamming</a> to prevent citizens from listening to the pirate radio stations such as Radio Nova. The UK also used RF technology to jam Radio North Sea International, a sea-based pirate operation off the coast of Britain, in the ’70s.
Since the turn of the millennium, radio jamming technology has seen more use outside of wartime efforts. China has been using radio jamming technology to block out foreign radio stations broadcasting into it’s borders, as do several countries in the Middle East. North and South Korea still regularly jam each other’s radio stations. Pakistan stated it’s intention to start jamming Taliban-operated radio stations. Jammers are also used to prevent terrorist organizations from communicating.
The radio jamming technology has been advanced to create bomb jammers (also called RF jammers or <a href=”http://www.sesp.com/Solutions.asp”>IED jammers</a>). IEDs (Improvised Explosive Devices) and RC-IEDs (Radio Controlled Improvised Explosive Devices) are remotely activated by transmitting an RF signal to a receiver attached to the bomb. The jammer technology transmits a signal at the same frequency as the RF signal, but it uses a random noise so as not to set off the bomb.
Though the bomb jamming technology has been around for around 30 years, the conflicts and rise in IEDs and RC-IEDs have drawn a lot of attention to it, and spurred more development in the area of electronics jamming.
Companies such as SESP, Security Intelligence Technology, Comp Nine and Netline have been actively developing smaller, more portable bomb jammers that can be carried in briefcases. Jammers can also block surveillance devices such as hidden cameras and eavesdropping devices. These jammers are becoming more common for ambassadors, heads of state and US troops to carry around as the technology to make them advances. RF jammers include mine clearance teams, VIP security forces, oil executives, government contractors and government agencies. Other types of bomb jammers are bigger and stronger, designed to sit in armored vehicles or in helicopters. These vehicles, once outfitted with the IED-jamming devices, accompany convoys and ensure that bombs cannot go off while in range.
In this day and age, when everyone has a cell phone, new threats have been created. Bombs are sometimes set off by cell phone frequencies. Some RF jammers are also capable of jamming cell phone communications, and there are stand-alone mobile phone jammers as well. Cell phones operate by transmitting to the nearest cellular tower. Though cell phones operate on two different frequencies (both incoming and outgoing), jamming just one of the frequencies “tricks” the cell phone into thinking there is no service from the tower, and effectively jams both incoming and outgoing communication. It also prevents any phones within a 30-500 meter range from sending frequencies to detonate bombs.
The past decade has seen leaps and bounds in jamming technology. From shortwave radio jammers to bomb jammers the size of cars to jammers small enough to fit in a briefcase that also block cell phones, the electronic security industry has come very far in keeping people safe. As new threats come up, they will have to continue finding ways to block dangerous communication.
Silent Mouse – Is there such a thing?
In this day and age of noise surrounding us you may be surprised to know that there is a Noisy Mouse phenomenon out there. I came across it, through searching the internet, when I was looking for a Quiet Mouse for myself. A Common Problem At the time I thought my story was mine and mine alone, but soon found out this is a common problem. As I do a lot of Image Editing, Document Writing and so on, for many hours at a time sometimes, I was unaware for many years that my mouse clicking was an unbearable noise for my neighbours. I know my house walls are thin but not to the extent you can hear a mouse clicking, or so I thought. Frustrated Neighbours Over the years my different neighbours have either been working all day or not in their house that much. So it wasn’t until recently, when a new set of neighbours moved in, that a couple of months in I heard them making rapid clicking sounds with their light switch (Yes! The walls are that thin). At first I dismissed their light switch clicking thinking they had a broken light! until they did it a couple more times by which time the penny dropped. They were, quite rightly, frustrated. But being new neighbours, and the fact my clicking is not a Noisy Neighbour offense, they could not really do that much….apart from beat me up I suppose! A Quiet Mouse Found Anyway. To cut the story short. I went to PC World and with the noise of their shop started clicking on every mouse available on display until I found the quietest mouse amongst them, which overall was the Microsoft Optical Mouse 3000 (pictured above). That mouse is a lot quieter but still too loud. So yesterday (about a week later) I went online …..and found a company, called Thanko, who manufacture and sell the Silent Mouse Ex mouse that claims to have no clicking sound when any of its buttons are pressed/released Here are two website links that sell the Silent Mouse Ex…..for around $40 US Dollars. tinyurl ylls9jf tinyurl yfrzy8c Quiet Mouse D.I.Y Project Before I found those websites the only alternative was to make a D.I.Y silent mouse, which can be a tricky, stressing and expensive affair at the best of times if not done correctly. Basically. The part of the mouse that makes each button click is the inner metal/copper plating, within the click mechanism, and not the outer plastic of each button as you may of thought. With the D.I.Y Project you have to take each button a part, do something with the copper plating and then put (sometimes glue) the whole thing back together. Very Messy and Very Fiddly. I tried a couple of D.I.Y projects and had to trash two mouse at a cost of £23. One mouse cost £17 (the Microsoft Optical Mouse 3000) and the other £5 (from a Local Shop). With glue and bus fares, more than £23! Anyway. If you want to try the D.I.Y projects, that can make the $40 Silent Mouse Ex seem cheap, here are their links. tinyurl yfvdms4 tinyurl yf3z7sa End Of My Story In the end I opted to keep world peace between me and my neighbours by moving my computer setup to another room whereby they cannot even hear me (hurray!). Sadly, not everyone has the luxury of another room and/or have no wall at all that separates their computer setup from those sharing, and/or sleeping in, their house. This article has only mentioned the mouse. Another phenomena is the Noisy Keyboard!!
