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การเขียนโปรแกรมด้วยภาษา C
- 3. 3
1. (Input Data)
2. (Data
Processing)
3. (Output Data)
- 5. 1.
0” 1”
(Machine Language
- 6. 5
1) Machine Language)
2) Assembly
Language)
(Mnemonic Code)
- 7. 4) (Very high-level
Language)
5) (Natural Language)
- 8. 2.
2.1 BASIC)
10 PRINT “HELLO WORLD”
20 GOTO 10
- 9. 2.2 FORTRAN)
Program HelloWorld
write (*,*) „Hello, world!‟
End program HelloWorld
- 10. 2.3 COBOL)
Structure Program)
IDENTIFICATION DIVISION.
Program-Id. Hello-World
*
ENVIRONMENT DIVISION
*
DATA DIVISION.
*
PROCEDURE DIVISION.
Paral.
DISPLAY “Hello, world”.
*
Stop Run
- 12. 2.4 PASCAL)
Turbo Pascal)
HelloWorld(output);
Begin
Writeln(„Hello, World!)
End.
- 13. 2.5 C
Unix)
#include “stdio.h”
Int main(void)
{
printf(“Hello, worldn”);
return 0;
}
- 14. 2.6 C++)
Class
#include <iostream>
Int main()
{
std::cout << “Hello world!” << std::endl;
return 0;
}
- 16. 2.8 JAVA)
ByteCode)
//Hello.java
Public class Hello {
Public static void main(String[] args) {
System.out.println(“Hello,world!”);
}
}