This chapter discusses different types of computer software, including system software like operating systems and utility programs, as well as application software for general use or specific tasks. It describes programming languages from early machine code to modern languages like JavaScript and Python. Open source software and licensing models are also covered.

1. Chapter 4 Computer Software
Mr.Warawut Khangkhan
e-Mail: awarawut@hotmail.com
Social Network: www.facebook.com/AjWarawut

2. F IT
F
F (Hardware)
F F (Software)
F (Database)
F F (Computer
Network and Communication)
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3. F F
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4. F F
F F (Software)
F ˈ F F
F
Computer Software
System Software Application Software
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5. F F
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6. F F
F F (System Software)
F
F F F F
F F F
F ˈ F
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7. F F
System Software
Operating System Utility Program Language Translator
Stand-alone
Stand- Interpreter
Network Compiler
Embedded OS
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8. F F F
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9. F F F
F F F (Application Software)
F F F F F F
ˈ F F
F ˈ F F F
F F F F
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10. F F F
Application Software
General-purpose
General- Application-specific
Application-
Application Software Software
Office
Create Web
Groupware
Virtual Reality
Software
10
Geography 3D
Chapter 4 Computer Software Mr.Warawut Khangkhan

11. F
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12. F
F (Computer Language) ˈ
F F
F F F
F (Programming
Language)
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13. F
1 (First Generation Language:
1GL)
F (Low-Level Language)
F F (Machine Language)
F ASCII (American
Standard Code for Information Interchange)
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14. F
2 (Second Generation
Language: 2GL)
F (Symbol Language)
ˈ F
F Assembly
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15. F
3 (Third Generation
Language: 3GL)
ˈ (High-Level Language)
ˈ Procedural Language
F BASIC, PASCAL, FORTRAN,
COBOL, C, PL/1 Ada
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16. F
4 (Fourth Generation Language:
4GL)
ˈ (High-Level Language)
3GL F ˈ “Non-
Procedural Language
F Visual Basic, Visual C, Visual FoxPro
ˈ F
(Object-Oriented Programming : OOP)
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17. F
5 (Fifth Generation Language:
5GL)
ˈ F F F
(Expert System : ES) ˆ F
(Artificial Intelligence : AI)
F F (Natural
Language)
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18. F F
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19. F F
HTML (HyperText Markup Language)
XML (eXtensible Markup Language)
XHTML (eXtensible HyperText
Markup Language)
F (Script Language)
F ˆˉ F (Client-Side Script)
ˆˉ F F (Server-Side Script)
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20. F F
Open Source
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21. F F Open Source
Open Source Software F F
F F F Source Code
F F F F F FF F
Linux, F Mozilla Firefox Safari,
OpenOffice.org ˈ F
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22. F F
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23. F F
F F ˈ
Web Service SOA (Service-Oriented
Architecture)
AJAX (Asynchronous JavaScript And XML)
F F F: Mashup, Web 2.0
Distributed Software Application
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24. F F
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25. F F
F F (Software Copyright)
F F F F F F
F F F
F F
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26. F
F F F F
F F F F F F
F F
F F F F
F F F F F F F F
F F F ˈ F
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27. F 20,000
200,000 ˈ F
F6 4 ʾ F 100,000
800,000
F F 10,000
100,000 ˈ F
F3 2 ʾ F 50,000
400,000
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28. F ˆ F F F F
F F FF
F F (Shareware)
F (Freeware)
F (Open Source)
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