More data types and operators

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  • A variable declared with the const modifier cannot have its value changed during the execution of your program. Thus, a const “variable” isn’t really variable! You can give a variable declared as const an initial value, however. For example, const int max_users = 9; creates an int variable called max_users that contains the value 9. This variable can be used in expressions like any other variable, but its value cannot be modified by your program.

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  • This module returns to the topics of data types and operators. In addition to the data types that you have been using so far, C++ supports several others. Some of these consist of modifiers added to the types you already know about. Other data types include enumerations and typedefs. C++ also provides several additional operators that greatly expand the range of programming tasks to which C++ can be applied. These operators include the bitwise, shift, ?, and sizeof operators.

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  • Module 7 More Data Types and Operators Table of Contents CRITICAL SKILL 7.1: The const and volatile Qualifiers ................................................................................... 2 CRITICAL SKILL 7.2: extern............................................................................................................................. 5 CRITICAL SKILL 7.3: static Variables .............................................................................................................. 6 CRITICAL SKILL 7.4: register Variables .........................................................

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  • Data communications and networking are changing the way we do business and the way we live. Business decisions have to be made ever more quickly, and the decision makers require immediate access to accurate information. Why wait a week for that report from Germany to arrive by mail when it could appear almost instantaneously through computer networks? Businesses today rely on computer networks and internetworks.

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  • Since its creation in 1987 Perl has become one of the most widely used programming languages. One measure of this is the frequency with which various languages are mentioned in job adverts. The site www.indeed.com monitors trends: in 2010 it shows that the only languages receiving more mentions on job sites are C and its offshoots C++ and C#, Java, and JavaScript.

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  • A computer network is the infrastructure that allows two or more computers (called hosts) to communicate with each other. The network achieves this by providing a set of rules for communication, called protocols, which should be observed by all participating hosts. The need for a protocol should be obvious: it allows different computers from different vendors and with different operating characteristics to ‘speak the same language’. This chapter introduces the fundamental concepts of computer networks.

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  • Use the scope resolution operator Use dynamic memory allocation with New Delete Use pointers to objects Define and use Constructors Define and use Destructors Define the "Const" keyword Define and use the "this" pointer Describe how objects and functions are arranged in memory Static Data Members Static member Functions Describe type conversions using Converting by assignment Type casting

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  • This paper presents a new formalization of a unification- or join-preserving encoding of partially ordered sets that more essentially captures what it means for an encoding to preserve joins, generalizing the standard definition in AI research. It then shows that every statically typable ontology in the logic of typed feature structures can be encoded in a data structure of fixed size without the need for resizing or additional union-find operations.

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  • Complete the crossword by typing in the words. 1 ACROSS 2 If a piece of software can run on any OS, it is 3 independent. 2 5 A competitor to Java, developed by Adobe. 5 6 Java and C++ are both examples of -oriented languages. 6 8 The name of a Java application which runs 8 automatically on a web page. DOWN 1 Java is used to create objects (bar charts, diagrams, etc.) which are more interactive than the standard versions. 3 Java is multi, which means that a Java program can have multiple parts operating at the same time; this saves on CPU power. 4 Java was created...

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  • One of the most popular software packages for businesses today is Microsoft SharePoint Server. Microsoft SharePoint Server is a very popular program for businesses, because it helps to improve business procedures without the demand of extensive training beforehand. The suite supports a large number of programs and is built to be an efficient content management platform for business use. It is also designed to streamline many unlike types of business applications, allowing the users to be more effective in their day to day operates.

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