introduction to multiple access techniques ppt

... happen as you expect. It’s up to you, as a developer, to decide how you expect them to occur and to use transactions to meet your goals. CHAPTER 5 ■ INTRODUCTION TO DATA ACCESS1 40 9187ch05CMP2.qxd ... data -access frameworks to solve the remaining problems. Try to hold on to these ideas when we talk about abstracting data -access code for other parts of an application. CHAPTER 5 ■ INTRODUCTION TO ... motivated as follows: Access to data varies depending on the source of the data. Access to persistent storage, such as to a database, varies greatly depending on the type of storage […] and the...

Ngày tải lên: 05/10/2013, 04:20

... is 10 (略) Router#terminal history size ? <0-256> Size of history buffer Router#terminal history size 25 Router#sh terminal (略) History is enabled,history size is 25 (略) Gather ... 1.show history:显示最后输入的 10 条命令,默认是 10 条,可以修改该值 2.terminal history size:修改显示最后输入过的的命令的数量,默认是 10 条,最大是 256 条 3.show terminal:显示命令历史缓存大小,如下: Router#sh terminal (略) History is enabled,history size ... connector Bring Up an Interface 打开和关闭 1 个接口,分别使用 shutdown 和 no shutdown 命令,当你关闭某个接口的时候,使用 sh interfaces 命令可以查看接口状态,并且你将看到以下输出: Router#sh int e0 Ethernet0 is administratively down,line protocol...

Ngày tải lên: 10/12/2013, 16:15

... PowerPoint. Module 1: Introduction to SharePoint Portal Server 15  Accessing external content. You can add content sources to a workspace to provide access to external information, ... document, such as read-only access and the ability to author, and it should be possible to give varying levels of access to files or collections of files. In addition to security on a document ... workspace. To open a document directly from SharePoint Portal Server, however, you must use an Office 2000 application. Topic Objective To describe how SharePoint Portal Server provides access to...

Ngày tải lên: 10/12/2013, 16:15

... X to its successors in the tree (from left to right and bottom to top). If the immediate successor has frequency F + 1 or greater, the nodes are still in sorted order and there is no need to ... 268, and set it to (116, 265, s). This is why the index needs to be stored. 8. Hash(,115) → 270. Array location 270 is set to (115, 270, ). 9. Hash(a,32) → 268. A collision! Skip to the next available ... on the right and its five leaves on the left. To assign the codewords, we arbitrarily assign a bit of 1 to the top edge, and a bit of 0 to the bottom edge, of every pair of edges. This results...

Ngày tải lên: 14/12/2013, 15:15

... to tell you to how many figures I carried these computations, having no other business at that time. —Isaac Newton To figure out the kind of compression achieved by arithmetic coding, we have to consider ... www.verypdf.com to remove this watermark. 136 4. Arithmetic Coding Today, we believe in the existence of atoms. If we start with a chunk of matter, cut it into pieces, cut each piece into smaller ... image compression to a bi-level image therefore means that the immediate neighbors of a pixel P tend to be identical to P . Thus, it makes sense to use run-length encoding (RLE) to compress such...

Ngày tải lên: 14/12/2013, 15:15

... compressed in a single left -to- right, top -to- bottom scan; (b) progressive mode where the image is compressed in multiple blocks (known as “scans”) to be viewed from coarse to fine detail; (c) lossless ... worldwide digital component video standard. Y is defined to have a range of 16 to 235; Cb and Cr are defined to have a range of 16 to 240, with 128 equal to zero. There are several YCbCr sampling formats, such ... however, has protected us from too much sensitivity to light and our brains require at least five to nine photons (arriving within 100 ms) to create the sensation of light. The other type is the...

Ngày tải lên: 14/12/2013, 15:15

... DC) at its top-left corner and smaller elements (AC) elsewhere. The AC coefficients generally become smaller as we move from the top-left to the bottom-right corner and are largest on the top row ... “quantization” is to restrict a variable quantity to discrete values rather than to a continuous set of values.” If the data to be compressed is in the form of large numbers, quantization is used to convert ... the Macintosh. The figures were generated in Adobe Illustrator, also on the Macintosh. Figures with calculations were computed first in Mathematica or Matlab, and then “polished” in Illustrator. The...

Ngày tải lên: 14/12/2013, 15:15

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Ngày tải lên: 14/12/2013, 16:15

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Ngày tải lên: 14/12/2013, 16:15

... on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please ... on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please ... on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Please...

Ngày tải lên: 14/12/2013, 16:15

... PURPOSES ONLY Stores and Storage Groups Exchange 2000 Logical Logical Logical Logical Storage Group 1 Storage Group 2 Store A Store A Store B Store B Store A Store A Store B Store B The ... how to display data. Topic Objective To outline the features of the Web Storage System. Lead-in The Web Storage System enables developers to access items in the Exchange 2000 store ... Content Store ! URL Addressing ! WebDAV ! XML Web Web Storage System Storage System You use the Web Storage System technology to access the items stored in Exchange 2000. The Web Storage System...

Ngày tải lên: 21/12/2013, 05:18

... Operators Objectives 15-2 The SET Operators 15-3 Tables Used in This Lesson 15-4 The UNION SET Operator 15-7 Using the UNION Operator 15-8 The UNION ALL Operator 15-10 Using the UNION ALL Operator ... HAVING Clause 17-5 GROUP BY with ROLLUP and CUBE Operators 17-6 ROLLUP Operator 17-7 ROLLUP Operator Example 17-8 CUBE Operator 17-9 CUBE Operator: Example 17-10 GROUPING Function 17-11 GROUPING ... Operator 15-11 The INTERSECT Operator 15-12 Using the INTERSECT Operator 15-13 The MINUS Operator 15-14 SET Operator Guidelines 15-16 The Oracle Server and SET Operators 15-17 Matching the SELECT...

Ngày tải lên: 21/12/2013, 06:17

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Ngày tải lên: 24/12/2013, 03:16

... receives cash from the buyer prior to shipment. ADVANTAGE TO BUYER ADVANTAGE TO SELLER  None  Goods shipped when convenient  Use of buyer’s funds RISK TO BUYER RISK TO SELLER  No control over the ... for payment. ADVANTAGE TO BUYER ADVANTAGE TO SELLER  May refuse to pay or  Title documents controlled accept the draft through the banking system RISK TO BUYER RISK TO SELLER  Goods may not ... their face, to comply with the Letter of Credit and not to be inconsistent with each other. All documents, unless otherwise stated, must appear to be original, and documents required to be certified...

Ngày tải lên: 16/01/2014, 11:37

... suggestions should be sent to rmgray@stanford.edu. Every effort will be made to fix typos and take suggestions into an account on at least an annual basis. I hope to put together a revised solutions ... limits the number of topics that can be covered in a typical course — in particular, the applications that are so important to engineers tend to be neglected. In addition, too much time can be ... motivation for the topics is given. 16 CHAPTER 2. PROBABILITY in the interval [a, b]” is P ([a, b]) = b −a. (2.1) We do not have to restrict interest to intervals in order to define probabil- ities...

Ngày tải lên: 16/01/2014, 16:33

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