microcomputer architecture programming and system design concepts

... Determining Bandwidth Requirements Performance Testing System Configurations Hardware Scaling Vertical Scaling Horizontal Scaling Firewalls and Security Operations and Maintenance Processes Content and ... enterprise Java technologies and architectures The book does assume that the reader has a basic familiarity with Java and does not provide an introduction to Java programming or to programming for J2EE ... enterprise architectures and provides an overview of open source developer tools N OT E We recommend that all readers read Chapters and to get an overall view of the platform components and to understand...

Ngày tải lên: 01/06/2014, 10:13

... frequency bands Ì each station assigned fixed frequency band Ì unused transmission time in frequency bands go idle Ì example: 6-station LAN, 1,3,4 have pkt, frequency frequency bands bands 2,5,6 ... 5.5 Ethernet Ì 5.6 Hubs and switches Ì 5.7 PPP Ì 5.8 Link Virtualization: ATM and MPLS 5: DataLink Layer 5-3 Link Layer: Introduction Some terminology: “link” Ì hosts and routers are nodes Ì ... Link Layer Ì 5.1 Introduction and Ì Ì Ì Ì services 5.2 Error detection and correction 5.3Multiple access protocols 5.4 Link-Layer Addressing 5.5 Ethernet Ì 5.6 Hubs and switches Ì 5.7 PPP Ì 5.8...

Ngày tải lên: 12/09/2012, 15:06

... developer, and software consultant on numerous n-tier– distributed systems and products She has worked with databases and database design and implementation since 1990 Her database design projects ... modeling, database design and implementation, and using J2EE and Java technologies to provide enterprise solutions to customers She has a strong background in object-oriented analysis and design as well ... along and pick up the concepts XRef Part III, “Using Java Data Access Design Patterns,” covers object−oriented programming techniques that reduce the repetitiveness of JDBC programming Design...

Ngày tải lên: 10/12/2013, 02:15

... developer, and software consultant on numerous n-tier– distributed systems and products She has worked with databases and database design and implementation since 1990 Her database design projects ... modeling, database design and implementation, and using J2EE and Java technologies to provide enterprise solutions to customers She has a strong background in object-oriented analysis and design as well ... along and pick up the concepts XRef Part III, “Using Java Data Access Design Patterns,” covers object−oriented programming techniques that reduce the repetitiveness of JDBC programming Design...

Ngày tải lên: 15/12/2013, 20:15

... lstSQLServers_SelectedIndexChanged(ByVal sender As System. Object, ByVal e As System. EventArgs) _ Handles lstSQLServers.SelectedIndexChanged ' If both the SQL Server and database are chosen, enable ' the ... e As System. EventArgs) _ Handles lstDatabases.SelectedIndexChanged ' If both the SQL Server and database are chosen, ' enable the Connect button If lstSQLServers.SelectedItems.Count > And _ ... btnConnect_Click(ByVal sender As System. Object, _ ByVal e As System. EventArgs) Handles btnConnect.Click Dim ocnn As New OleDb.OleDbConnection() Try ' Create the connection string and open the connection...

Ngày tải lên: 21/01/2014, 12:20

... dBaseIV, and Fox databases ❑ Msql-MySQL-modules A bundle of modules for Msql and MySQL databases, both popular and freely available, and very similar in ability Includes the DBD::mSQL and DBD::mysql ... specifies read and write access for us (6), but read-only access for other groups and users (4) Obviously, this only has any real meaning if the underlying operating system understands the concept ... $mldbm{'NumberOfHashKeys'}=keys %hash; $hash{Four}="IV"; #does NOT modify 'OriginalHash' # assign a random key and value $mldbm{rand()}=rand; # a more complex assignment $mldbm{'HashOfMixedValues'}={ List1=>[1,2,3],...

Ngày tải lên: 20/02/2014, 05:20

... natural language understanding systems criteria Some candidate are: applications meeting these natural language interfaces to conventional computing systems (e.g operating systems, numerical packages, ... database case These candidates are for interface systems Should we instead be renewing the attack on language systems, e.g for translation or summarising; or upgrading semi-linguistic systems like those ... difficult to achieve with systems whose entire function is language processing, like translation, than with systems where natural language processing is required for the system' s external world...

Ngày tải lên: 21/02/2014, 20:20

... e m would be useful, especially in cases where a request was too vague, a n d the system (like an e x p e r t system) could present a series of choice points to the user in order to reduce the ... research, a s y s t e m like this would also offer a good s e t t i n g for s t u d y of tense and aspect issues which are not so readily raised in a simple d a t a b a s e query application...

Ngày tải lên: 21/02/2014, 20:20

... (Input Validation) 6-34 Error Trapping and Handling 6-37 Example 6-7 Authors Table Input Form (Error Trapping and Handling) 6-42 On-Line Help Systems .6-43 Example 6-8 Authors ... information and one for the timing function) In the first frame, place five labels, five text boxes, and two command buttons In the second frame, place a label control, a timer control and three command ... 6-105 Add Error Trapping and Handling .6-105 Add On-Line Help System 6-106 Application Testing 6-107 © LAP II Contents ix Database Management Review and Preview ...

Ngày tải lên: 30/03/2014, 22:20

... it, let’s start with some basic concepts to understand how you communicate with your users on the Web Networking documents and databases - Lesson Web standards and static websites – page Uniform ... exercises will allow you to test your understanding of the concepts described until now Good luck! Networking documents and databases - Lesson Web standards and static websites – page 11 Exercise Can ... Introduction to HTML Click on each option and drag it to the relevant box Networking documents and databases - Lesson Web standards and static websites – page Limitations of Simple Static...

Ngày tải lên: 31/03/2014, 20:20

... set by the web server, and • by reading the standard input stream Enviroment variables Standard input CGI Web Server Standard output Output is made by writing to the standard output stream The ... environment variables and passes the body of the HTTP message to the CGI The CGI reads the environments variables and the standard input, calls the database and generates a standard output The web ... environment variables and passes the body of the HTTP message on the standard input to the CGI Web Server Write Environment Variables 3) The CGI reads the environment variables and the standard input...

Ngày tải lên: 31/03/2014, 20:20

... and ending with ; use commands and scripts; then save the file as asp Then, you can upload the ASP file on your website Our example was a very simple one and it just ... MySQL, and Access Web Server ODBC (Open Database Connectivity) is a standard SQL API (Application Programming Interface); it is a software layer between your program (e.g CGI, Java, etc.) and a ... At the end of this lesson, you will be able to: • understand what Active Server Pages (ASP) are; and • be aware of the main advantages and disadvantages of ASP Introduction Users will have to...

Ngày tải lên: 31/03/2014, 20:20

... and other data stored in standard places Servlets are written in Java and follow a wellstandardized API (Application Programming Interface) They can be deployed with almost every commercial and ... Microsystems in 1995, is a programming language highly suited to the distributed environment of the Internet Java Servlets and Java Server Pages (JSPs) were introduced to facilitate and standardize ... documents and databases - Dynamic websites: Java Server Pages (JSPs) and Servlets - page 12 Exercises The following three exercises will allow you to test your understanding of the concepts described...

Ngày tải lên: 31/03/2014, 20:20

... understand how databases are constructed and accessed using computer code to financial research and develop trading and risk management algorithms and systems All financial research requires data, and ... system analysis and design necessitates research into past market movement as a way to analyze and validate the system But not only should back testing confirm the validity and accuracy of a system s ... Implement Build vision and scope document Build objects and program document Program and document the system Paper-trade and check profitability Phase IV Manage Portfolio and Risk Monitor portfolio...

Ngày tải lên: 23/04/2014, 16:19

... of microstrip antenna design mobile wireless communication systems such as microstrip antennas, microstrip array, compact and multiband microstrip antennas, broad band and UWB antennas, reconfigurable ... different network architectures and network administrator policies The objectives of the chapter are to present thoroughly the main concepts of CAC design and QoS provision in wireless and mobile networks ... radiation hazards, and no need to dig up roads besides its large bandwidth and low power consumption This second part of the book, Mobile and Wireless Communications: Key Technologies and Future Applications,...

Ngày tải lên: 21/06/2014, 14:20

... proposed by Cooper and Nettleton in 1978 (Scholtz 1994) and then 38 Mobile and Wireless Communications: Network layer and circuit level design developed to the IS-95 and CDMA2000 standards which are ... Grandhi et al (Grandhi, Vijayan et al 1993; Grandhi, Vijayan et al 1994; Grandhi, Yates et al 1997) and the Distributed Power Control (DPC) scheme proposed by Foschini and Miljanic (Foschini and ... develop new algorithms and protocols which exploit 36 Mobile and Wireless Communications: Network layer and circuit level design network topology Algorithms for linear and strip topologies represent...

Ngày tải lên: 21/06/2014, 14:20

... 1205-1211 58 Mobile and Wireless Communications: Network layer and circuit level design Foschini, G J and Z Miljanic (1993) "A simple distributed autonomous power control algorithm and its convergence." ... licensed and non-licensed, according to the applied frequency band Non-licensed bands are different in a lot of countries In European Union, there are 433 MHz, 868 MHz, 2.5 GHz and other bands In ... protocol description and its specifications will be publicly open and available in June 2009 (Microrisc 2009a) 68 Mobile and Wireless Communications: Network layer and circuit level design Future work...

Ngày tải lên: 21/06/2014, 14:20

... Study and Design for Ultra Wideband Communication Applications, PHD Thesis, University of London, United Kingdom Lu, G (2006) Antenna and Synchronization Design Issues for the Ultra-Wideband Systems, ... wideband notch antennas, ellipsoid mono and dipole antennas, microstrip antennas and tapered slot and Vivaldi-type antennas Also, frequency independent antennas were applied to wideband design ... operational bandwidth since the degradation happens only for a small part of the entire bandwidth and it is not too severe 122 Mobile and Wireless Communications: Network layer and circuit level design...

Ngày tải lên: 21/06/2014, 14:20

... (DCS/GSM/WCDMA/Bluetooth/WLAN), hand held GPS and other navigation systems, 180 Mobile and Wireless Communications: Network layer and circuit level design MIMO Systems and steerable arrays In the ... Communication Systems 177 monopole It is omni in the H-plane and eight shaped in the E-plane Following are examples about broad band and UWA antenna designs 5.5 Examples on braodband and UWB microstrip ... substrate and (b) comparison between simulated and measured antenna reflection coefficients 174 Mobile and Wireless Communications: Network layer and circuit level design Broad band and UWB Antennas...

Ngày tải lên: 21/06/2014, 14:20

... Simulated and (circles) measured S-parameters of a 8x125-m GaN HEMT at (a) VGS = 2.0 V and VDS = 9.0 V and (b) VGS = 3.0 V and VDS = 21.0 V 212 Mobile and Wireless Communications: Network layer and ... components and transceiver architectures Progress in silicon integrated circuit technology and innovations in their design have enabled mobile products and services In most current designs, the ... Macedo & Copeland, 1998) They have high quality factor and good linearity; however, their high cost and their non 220 Mobile and Wireless Communications: Network layer and circuit level design integration...

Ngày tải lên: 21/06/2014, 14:20