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Tutorial_00 - An Overview of Visual Basic .NET Overview-An...

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Overview-An Overview of Visual Basic .NET 1 An Overview of Visual Basic .NET
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Overview-An Overview of Visual Basic .NET 2 Overview Objectives This overview contains basic definitions and background information, including: A brief history of programming languages An introduction to the terminology used in object-oriented programming languages A Visual Basic demonstration Information on using the tutorials effectively
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Overview-An Overview of Visual Basic .NET 3 A Brief History of Programming Languages Computers still rely on human beings to give them directions These directions are called programs , and the people who write the programs are called programmers Just as human beings communicate with each other through the use of languages such as English, Spanish, Hindi, and Chinese, programmers use a variety of special languages, called programming languages , to communicate with the computer
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Overview-An Overview of Visual Basic .NET 4 Machine Languages Within a computer, data are represented by microscopic electronic switches that can be either off or on The off switch is designated by a 0 The on switch is designated by a 1 Instructions written in 0s and 1s are called machine language or machine code Each type of machine has its own language Machine languages represent the only way to communicate directly with the computer
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Overview-An Overview of Visual Basic .NET 5 Assembly Languages Slightly more advanced programming languages are called assembly languages Assembly languages simplify the programmer’s job by allowing the programmer to use mnemonics in place of the 0s and 1s in the program Mnemonics are memory aids—in this case, alphabetic abbreviations for instructions
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Overview-An Overview of Visual Basic .NET 6 Assembly Languages For example, the mnemonic MOV is used to move data from one area of the computer’s memory to another Programs written in an assembly language require an assembler The assembler is also a program It converts the assembly instructions into machine code—the 0s and 1s the computer can understand
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Overview-An Overview of Visual Basic .NET 7 High-Level Languages High-level languages Allow the programmer to use instructions that more closely resemble the English language Represent the next major development in programming
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This note was uploaded on 09/30/2008 for the course MIS 3301 taught by Professor Willis during the Spring '08 term at Baylor.

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Tutorial_00 - An Overview of Visual Basic .NET Overview-An...

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