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Lecture 4- Software

Lecture 4- Software - Chapter 4 Software Software 1 Data...

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Chapter 4 Software
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1. Data -- Facts 2. Programs -- A set of Instructions that tells the computer what to do Software
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File Names Maximum 255 characters Case sensitive Linux (and UNIX like operating systems) .doc .xls .ppt .db
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File Extensions
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Software: Programming Writing a series of instructions that instructs the computer to perform a particular process. C# C++ C Visual Basic PHP Java COBOL Fortran Python Ruby Programmers write “source code” in English-like languages . The code is translated to the machine’s natural language: binary Code is compiled into an EXE file. It is run directly as an EXE file.
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Software: Compile vs. Interpreter Interpreter Program compiled ALL at once! Program translated to binary line by line ; good for debugging purpose
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What is? Operating System Types Windows Linux Unix Mac OS Functions Process management Memory management File system Manages file associations Hardware control User interface Communication Security Popular Handheld Operating Systems Palm OS Windows Mobile OS Symbian OS “An operating system is a program designed to run other programs on a
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Lecture 4- Software - Chapter 4 Software Software 1 Data...

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