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Chapter 3 Computer Software. Section A: Software Basics. Computer Concepts 7th Edition Parsons/Oja. What is software?.

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chapter 3 computer software

Chapter 3Computer Software

Section A: Software Basics

Computer Concepts 7th EditionParsons/Oja

what is software
What is software?
  • Software consists of computer programs and data files that work together to provide a computer with the instructions and data necessary for carrying out a specific type of task

Chapter 3: Computer Software

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what kinds of files are included in a typical software product
What kinds of files are included in a typical software product?
  • Software includes
    • A computer programis a set of detailed, instructions that tells a computer how to solve a problem or carry out a task
    • Executable files have an .exe file extension, and can be double-clicked to start the program (run by users)
    • Support modules are extra programs that are not run by users, but help the main program to run (file extension such as .dll and .ocx)
    • Data files contain data that is necessary for the program to run, but not supplied by the user
      • For example, text of Help file or license agreement, word lists for a dictionary, graphics
      • File extensions .txt, .bmp, and .hlp

Chapter 3: Computer Software

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why does software require so many files
Why does software require so many files?
  • Exercise:
    • Click on the Start button and click My Computer
    • Double-click the Local Disk (C:) drive
    • Double-click the Program Files folder, where all installed program files are located
      • If the files are hidden, click Show the contents of this folder
    • Double-click the Windows Media Player folder
      • Which file is the main program executable file?
      • Which files are support modules?
      • Which files are data files?

Chapter 3: Computer Software

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programmers and programming languages who creates computer software
Programmers and Programming Languages: Who creates computer software?
  • Computer programmers write the instructions for the computer programs
  • Software publishers distribute the software, they specialize in packaging, marketing, and selling commercial software
  • Users who write macros and customize software

Chapter 3: Computer Software

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so how does software work
So how does software work?

Chapter 3: Computer Software

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application software and system software how is software categorized
Application Software and System Software: How is software categorized?
  • Software is categorized as either application software or system software
    • Application software is designed to help people carry out tasks using a computer
      • Drawing designs, creating documents, etc
    • System software is designed to help the computer carry out the basic operating functions
      • Operating systems, utilities, and drivers

Chapter 3: Computer Software

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application software and system software how is software categorized1
Application Software and System Software: How is software categorized?

Chapter 3: Computer Software

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self quiz questions
Self Quiz Questions
  • A detailed set of instructions that tells a computer how to solve a problem or carry out a task is called a computer _______.
  • A file with a .exe file extension is called a(n) _______ file.
  • Small programs that help the main program, and usually have a .dll or .ocx file extension are called _______.
  • The Windows operating system is an example of _______ software.
  • Microsoft Word, a word processing program, is an example of _______ software.

Chapter 3: Computer Software

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self quiz answers
Self Quiz Answers
  • A detailed set of instructions that tells a computer how to solve a problem or carry out a task is called a computer program .
  • A file with a .exe file extension is called a(n) executable file.
  • Small programs that help the main program, and usually have a .dll or .ocx file extension are called support modules .
  • The Windows operating system is an example of system software.
  • Microsoft Word, a word processing program, is an example of application software.

Chapter 3: Computer Software

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