Iii struct or Reso urces in Software

Compose qrcode in Software Iii struct or Reso urces

Use electricity (today, electricity comes mostly from coal). Are zero emission vehicles; they emit no pollutants. Generate little toxic waste (lead-acid batteries are 98 percent recyclable). Require no toxic input fluids such as water and wash fluid (only occasional watering of batteries, if you choose cheaper lead-acid batteries) Are highly efficient (motors and controllers 90 percent, batteries 75 to 80 percent). Benefit electric utilities (a market for electricity sales). Even the cost advantage goes to the electric vehicle since the electric vehicle converts about 70 percent of the charging energy into motor energy, whereas a typical gasolinepowered vehicle converts only about 20 percent of the energy in gasoline into engine energy. An automatic transmission represents another significant loss, as do auxiliaries such as power steering and air conditioning. (Around town, air conditioning can consume 40 percent or more of available power.) For the conversion, 100,000 BTU (1 therm) 5 29.3 kWh 5 39.3 hp/hr (horsepower per hour). Thus for the same price, you have 47 hp/hr for the electric and 21 hp/hr for the vehicle powered by California gasoline. In actual use you can have a RAV4-EV costing $0.04 per mile and a gasolinepowered RAV4 costing $0.16 per mile just for fuel.

5. Ethernet __________ has/have both a physical and logical bus topology. A. 10BaseT B. 10Base2 and 10Base5

Each time MinVal( ) is called, the arguments are passed to it via the nums array. The length of the array equals the number of elements. Thus, you can use MinVal( ) to find the minimum of any number of values. Notice the last call to MinVal( ). Rather than being passed the values individually, it is passed an array containing the values. This is perfectly legal. When a params parameter is created, it will accept either a variable-length list of arguments or an array containing the arguments.

The output from the program is shown here:

As discussed in this chapter, the business benefits of business intelligence are real and working for many companies worldwide. However, it is important to realize there are different kinds of roles in an organization that can benefit from business intelligence, and those different roles often consume data in different ways. Therefore, there are a variety of tools that provide views of the data in the cubes making up the data warehouse. By properly implementing the appropriate tools for the various organizational roles, the benefits of a business intelligence solution can be realized throughout the organization. Creating a business intelligence application is not a simple process. An organization must decide what business problems it wants to solve and then build a warehouse to support solving those problems. Building the warehouse is discussed in 3. Delivery of the data throughout the business must be planned and created, and this is covered throughout most of the rest of the book. Coming up, 2 will take an overview look at Microsoft s new product, PerformancePoint Server, which brings together a number of the tools and provides tools for scorecards, analytics, and planning.

inbound packet, it determines that address translation should be performed, and then looks for a match in its address translation table. It sees a match, changes the destination IP address to 192.168.1.5, and leaves the destination port number the same. This process is shown in Figure 5-11. To illustrate the implementation of PAT, assume that 192.168.1.6 also telnets to 201.201.201.2 with a source port of 1024, as shown in step 5 of Figure 5-12. The address translation device receives the packet, determines that there is an address translation policy match, and then creates an entry in its address translation table for the user s connection. In this instance, the same global IP address is used for the translation of the source IP address. However, because the source port 1024 is already in the address translation table, the address translation device assigns a source port of 1025 for the user s connection, as shown in step 6 of Figure 5-12. The translation of the source port number allows the destination device to differentiate between the connections from 192.168.1.5 and 192.168.1.6, and also allows the address translation device to undo its translation for returning traffic from 201.201.201.2.

The Rapid Spanning Tree Protocol (RSTP) is an IEEE standard, defined in 802.1w, which is interoperable with 802.1d and an extension to it. With RSTP, there are only three port states:

We use authentication systems because people occasionally try to misrepresent their identities. The previous section talked about Henry, who tried on occasion to assume Cathy s identity. Henry may be pursuing particular outcomes when he tries to subvert the authentication system; the next subsection characterizes those outcomes as risks. Henry might take a small number of general approaches to subvert the authentication system; the subsequent two subsections characterize those approaches as attacks. The final subsection reviews defenses used to resist these attacks.

At the time of this writing, the digital TV set is being introduced to the public. Because the transmission system is still basically RF for television broadcasting, the digital television receiver will need the tuner to select the appropriate carrier frequency band. The tuner will produce an IF frequency containing the digital modulation. Detecting this frequency will produce the MPEG-2 bit stream. An integrated circuit chip set has been developed to process the MPEG-2 bit stream into video and audio signals. Because it is expected that the digital television set will be able to process many digital television formats, several circuit chips will be needed to do so. 5.421 Digital television as broadcast in MPEG-2, 8-VSB, or QAM64/256 requires a TV set with digital-processing circuitry to provide the picture and multichannel television sound. The cost, as projected by the consumer electronics industry, is regarded by many as excessive. Because digital television transmission renders the NTSC TV set useless, it has been proposed that some type of converter should be made available to make the conversion. Undoubtedly, this converter will be extremely complex and hence expensive. At this time no manufacturer has said they will have one available. We have a market waiting for a product. It is clear that this converter will have to tune (select) the channel, demodulate the signal to recover the MPEG-2 and bit stream, and decode the bit stream functions that will also have to be performed by a digital TV set. This converter will have to take the video and audio data and process it to develop an NTSC video and audio format. This is no small or inexpensive task. As the saying goes,

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COPPER MEDIA In a copper-medium environment the VoP represents 60 to 70 percent of the speed of light in a vacuum. For category 5 cable, which is used primarily by Ethernet and Fast Ethernet, the VoP is 69 percent of the speed of light in a vacuum. This means that an electrical signal travels along a category 5 cable at 0.3 m/ s 69 or approximately 0.21 m/ns. For anyone accustomed to thinking in feet, this is equivalent to approximately 8 in/ns (inches per nanosecond). Another method commonly used to express the flow of electrons or photons is to calculate the number of nanoseconds that an electron or photon requires to traverse a meter. This is usually expressed as the inverse of the VoP (V 1), and for electrons in category 5 cable, this is approximately 5 ns/m. If we apply the preceding metric to a 100BASE-T LAN, we would obtain a value of approximately 127 m for the permissible network diameters, which is 27 percent above the 100 m specified by the standard. The reason for the difference is that the prior computations did not examine other delay factors to include the repetition of a signal entering one port on a hub to the other ports on the hub and the time for an adapter to recognize a collision. Although the preceding computations were not fully comprehensive, they illustrate that the speed of electrons through copper is a key governing factor for an achievable network diameter. FIBER-OPTIC MEDIA

The output from the program is shown here: