Ch01 - Chapter 1 - An Introduction to Computers and Problem...

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1 Chapter 1 - An Introduction to Computers and Problem Solving 1.1 An Introduction to Computers 1.2 Windows, Folders, and Files 1.3 Program Development Cycle 1.4 Programming Tools
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2 1.1 An Introduction to Computers Miscellaneous Questions
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3 Communicating with the Computer Machine language – low level, hard for humans to understand Visual Basic – high level, understood by humans, consists of instructions such as Click, If, and Do
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Compiler A compiler translates a high-level language into machine language. The Visual Basic compiler points out certain types of errors during the translation process. 4
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5 Programming and Complicated Tasks Tasks are broken down into instructions that can be expressed by a programming language A program is a sequence of instructions Programs can be only a few instructions or millions of lines of instructions
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6 All Programs Have in Common: Take data and manipulate it to produce a result Input – Process – Output Input – from files, the keyboard, or other input device Output – usually to the monitor, a printer, or a file
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7 Hardware and Software Hardware – the physical components of the computer Central processing unit Disk drive Monitor Software – The instructions that tell the computer what to do
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8 Programmer and User Programmer – the person who solves the problem and writes the instructions for the computer User – any person who uses the program written by the programmer
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9 Problem Solving Developing the solution to a problem Algorithm – a step by step series of instructions to solve a problem
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10 Visual Basic 2010 BASIC originally developed at Dartmouth in the early 1960s Visual Basic created by Microsoft in 1991 Visual Basic 2010 is similar to original Visual Basic, but more powerful
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11 XP vs Vista vs Windows 7 XP Vista Windows 7
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12 1.2 Windows, Folders, and Files Windows and Its Little Windows Mouse Actions Files and Folders
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Windows and Its Little Windows Difference between Windows and windows .
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Ch01 - Chapter 1 - An Introduction to Computers and Problem...

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