Read e-book online Developing Windows-Based and Web-Enabled Information Systems PDF

By Nong Ye, Teresa Wu

Many pros and scholars in engineering, technological know-how, enterprise, and different software fields have to increase Windows-based and web-enabled info structures to shop and use information for selection aid, with no support from specialist programmers. even if, few books can be found to coach pros and scholars who're now not expert programmers to strengthen those info structures. Developing Windows-Based and Web-Enabled info Systems fills this hole, offering a self-contained, easy-to-understand, and well-illustrated textual content that explores present techniques, equipment, and software program instruments for constructing Windows-based and web-enabled details platforms.

Written in an simply obtainable variety, the ebook information present thoughts, tools, and software program instruments for Windows-based and web-enabled details platforms that shop and use info. it really is self-contained with easy-to-understand small examples to stroll via ideas and implementation info besides large-scale case experiences. The booklet describes information modeling equipment together with entity–relationship modeling, relational modeling and normalization, and object-oriented info modeling, to strengthen information versions of a database. the writer covers the right way to use software program instruments within the Microsoft program improvement atmosphere, together with Microsoft entry, MySQL, SQL, visible Studio, visible easy, VBA, HTML, and XML, to enforce databases and enhance Windows-based and web-enabled purposes with the database, graphical person interface, and application components.

The e-book takes you thru the whole means of constructing a working laptop or computer and community software for a data approach, highlighting recommendations and operation info. In every one bankruptcy, small facts examples are used to manually stroll via recommendations and operational info. those good points and extra provide the conceptual realizing and functional ability required, whether you don’t have a working laptop or computer technological know-how heritage, to strengthen Windows-based or web-enabled functions in your really good info system.

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16 Logic diagram of the sequential circuit for a 2-bit memory to store four words. Boolean Algebra and Digital Logic Circuits for Computer Hardware 17 words. If A1 A0 are 00, Word0 is selected. If A1 A0 are 01, Word1 is selected; if A1 A0 are 10, Word2 is selected; and if A1 A0 are 11, Word3 is selected. 16 is set to 1, the D flip-flops for the selected word are allowed to update its outputs from its inputs, that is, to write the input data to the memory at the selected word location. 16 is set to 0, the memory content at the selected word location is read since the outputs O1O 0 present what are stored in the memory.

Computer hardware is made up of digital logic circuits that can be designed using Boolean logic. Boolean logic and digital logic circuits are covered in Chapter 1. Digital logic circuits directly support the representation and manipulation of binary data. Chapter 2 explains how non-binary data and information are represented using binary data. System software, including the operating system and network software, is described in Chapter 3. Chapter 4 gives an overview of various information systems.

Hence, Boolean logic is used to design digital circuits (called “digital logic circuits”). This chapter first introduces Boolean logic and then gives the design of digital logic circuits for such computer components as the arithmetic logic unit (ALU) of the central processing unit (CPU) and memory to illustrate how computer hardware works to process and store binary data. 1 Boolean Logic This section introduces binary values and Boolean operators, gives properties of Boolean algebra, and describes the method of converting a truth table for a function into a Boolean expression, which has one-to-one correspondence to the implementation of a digital logic circuit for the function.

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