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  3. Digital Jewelry [A]Jewelry is worn for many reasons—for aesthetics, to impress others, or as a symbol of affiliation or commitme

Digital Jewelry [A]Jewelry is worn for many reasons—for aesthetics, to impress others, or as a symbol of affiliation or commitme

admin2016-01-05  25
问题                             Digital Jewelry
[A]Jewelry is worn for many reasons—for aesthetics, to impress others, or as a symbol of affiliation or commitment. Basically, jewelry adorns the body, and has very little practical purpose. However, researchers are looking to change the way we think about the beads and bobbles we wear. In the next wave of mobile computing devices, our jewelry might double as our cell phones, personal digital assistants(PDAs)and GPS receivers. The combination of shrinking computer devices and increasing computer power has allowed several companies to begin producing fashion jewelry with embedded intelligence. Today, manufacturers can place millions of transistors on a microchip, which can be used to make small devices that store tons of digital data.
Give me a ring
[B]Soon, cell phones will take a totally new form, appearing to have no form at all. Instead of one single device, cell phones will be broken up into their basic components and packaged as various pieces of digital jewelry. Each piece of jewelry will contain a fraction of the components found in a conventional mobile phone, according to IBM. Together, the digital-jewelry cell phone should work just like a conventional cell phone. Various components are inside a cell phone:microphone, receiver, touchpad, display, circuit board, antenna and battery.
[C]IBM has developed a prototype of a cell phone that consists of several pieces of digital jewelry that will work together wirelessly, possibly with Bluetooth wireless technology, to perform the functions of the above components.
[D]The following are the pieces of IBM’s computerized-jewelry phone and their functions. Earrings—Speakers embedded into these earrings will be the phone’s receiver. Necklace—Users will talk into the necklace’s embedded microphone. Ring—Perhaps the most interesting piece of the phone, this " magic decoder ring" is equipped with light-emitting diodes(二极管)(LEDs)that flash to indicate an incoming call. It can also be programmed to flash different colors to identify a particular caller or indicate the importance of a call. Bracelet— Equipped with a video graphics array(VGA,视频图形阵列)display. This wrist display could also be used as a caller identifier that flashes the name and phone number of the caller.
[E]With a jewelry phone, the keypad and dialing function could be integrated into the bracelet, or else dumped altogethei"—it’s likely that voice-recognition software will be used to make calls, a capability that is already commonplace in many of today’s cell phones. Simply say the name of the person you want to call and the phone will dial that person. IBM is also working on a miniature rechargeable battery to power these components.
[F]In addition to changing the way we make phone calls, digital jewelry will also affect how we deal with the ever-increasing bombardment of e-mail. Imagine that the same ring that flashes for phone calls could also inform you that e-mail is piling up in your in-box. This flashing alert could also indicate the urgency of the e-mail.
Of mice and monitors
[G]Two of the most identifiable components of a personal computer are the mouse and monitor. These devices are as familiar to us today as a television set. However, in the next decade, we could witness the disappearance of these devices, at least in their current form. Several companies, including IBM and Charmed Technology, are working on ways to create a head-mounted display. IBM is also working to shrink the computer mouse to the size of a ring and create a wrist-worn display.
[H]The mouse-ring that IBM is developing will use the company’s TrackPoint technology to wirelessly move the cursor(光标)on a computer-monitor display. You’re probably most familiar with TrackPoint as the little button embedded in the keyboard of some laptops. IBM researchers have transferred TrackPoint technology to a ring, which looks something like a black-pearl ring. On top of the ring is a little black ball that users will rotate to move the cursor, in the same way that the TraekPoint button on a laptop is used.
[I]This TrackPoint ring will be very valuable when monitors shrink to the size of watch face. In the coming age of ubiquitous(无处不在的)computing, displays will no longer be tied to desktops or wall screens. Instead, you’ll wear the display like a pair of sunglasses or a bracelet. Researchers are overcoming several obstacles facing these new wearable displays, the most important of which is the readability of information displayed on these tiny devices.
[J]While IBM is in a stage of development, Charmed Technology is already marketing its digital jewelry, including a futuristic-looking eyepiece display. The eyepiece is the display component of the company’s Charmed Communicator, a wearable, wireless, broadband-Internet device that can be controlled by voice, pen or handheld keypad. The company says that the device could be ready for the mainstream market by the end of 2001 or early 2002. The Communicator can be used as an MP3 player, a video player and a cell phone. The Java Ring
[K]It seems that everything we access today is under lock and key. Even the devices we use are protected by passwords. It can be frustrating trying to keep with all of the passwords and keys needed to access any door or computer program. Dallas Semiconductor is developing a new Java-based, computerized ring that will automatically unlock doors and log in to computers.
[L]The Java Ring, first introduced at Java One Conference, has been tested at Celebration School, an innovative K-12 school just outside Orlando, FL. The rings given to students are programmed with Java applets that communicate with host applications on networked systems. Applets are small applications that are designed to be run within another application. The Java Ring is snapped into a reader, called a Blue Dot receptor, to allow communication between a host system and the Java Ring.
[M]The Java Ring is a stainless-steel ring, 16-millimeters(0. 6 inches)indiameter, which houses a 1-million-transistor processor, called an iButton.The ring has 134 KB of RAM, 32 KB of ROM, a real-time clock and a Javavirtual machine, which is a piece of software that recognizes the Java languageand translates it for the user’s computer system.
[N]At Celebration School, the rings have been programmed to store electronic cashto pay for lunches, automatically unlock doors, take attendance, store astudent’s medical information and allow students to check out books. All of thisinformation is stored on the ring’s iButton. Students simply press the signet oftheir Java Ring against the Blue Dot receptor, and the system connected to thereceptor performs the function that the applet instructs it to. In the future, theJava Ring may start your car.
[O]Mobile computing is beginning to break the chains that tie us to our desks, butmany of today’s mobile devices can still be a bit awkward to carry around. Inthe next age of computing, we will see an explosion of computer parts across ourbodies, rather than across our desktops. Digital jewelry, designed tosupplement the personal computer, will be the evolution in digital technologythat makes computer elements entirely compatible with the human form.
Tired of keeping various passwords, people will be glad to have a computerized ring that can function automatically.
选项
答案K
解析 [K]段主要介绍基于电脑戒指，达拉斯半导体正在研发一种新型Java，而这种电脑戒指可以自动开启门锁和登陆电脑。题干中的functionautomatically对应原文中的automatically unlock doors and log in to computers，故选[K]。
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