1. Software Technology

2.

3. ?

(Software) (Telling the machine whatto do)

Modem, CD ROM, Drive

(Hardware)

4. ?

5.

6.

( . .1950-1965)

• Batch processingOnline processing

7. Batch / Online Processing

Batch processing

• Transactions accumulated and stored until processing

On-line processing

• Transactions are entered directly into computer and processed immediately

8.

( . .1960-1975)

• Online

9.

( . . 1975-1985)

10. Client / Server Computing 11.

( . .1985- )

• 4 (4th Generation Language)

• Editor

• Logic ProgrammingProlog

• Object-oriented ProgrammingSmalltalk

• Functional ProgrammingLisp

12.

(System Software)

(Application Software)

System Software Hardware Applications Software (User) 2001 : Windows XP 13. 14. (System Software)

15. System Software

System Management Programs

• (Operating System)

• (DataBase Management System)

System Development Programs

• Programming Language Translators

• Computer Aided Software Engineering

System Support Programs

• System Utilities, Performance Monitor and Security Monitor

16. (Operating System)

Supervisory ProgramsMonitors Programs

17. (Operating System) : ( File Manager) ..New, Cut, Copy, Delete , Rename, Find Partition, Format .. Windows Explorer Computer Management :Storage 18. ( Uninstall ) 19. ( Disk Utility ) . . Disk Cleanup Disk Defragmenter 20.

Multi-programming

CPU

21. Single-program Execute and Multiprograming 22. Multitasking and Virtual Storage

Multitasking

Multiprogramming capability of single-user operating systems

Virtual Storage

Handles programs more efficiently by dividing the programs into small fixed or variable length

23. Virtual Storage 24.

(user interface) 2

• Text-basedCommand Line Interface (CLI)

• Graphic-based user interface (GUI)

• • (menu command)

MS-DOS,Windows, OS/2, UNIX etc.

25. 26.

(Computer Language)(Artificial Language)

27.

(Machine Language)

(Language Translator)

28. (Language Translator)

(Source Code)

Source Code Object Code

(Machine Language)

Source Code Lang Translator Object Code 29. / Source Code Lang Translator Object Code .EXE .COM Link Compiler Interpreter Runtime Runtime 30.

5

( Machine Language )

( Assembly Language )

( High-level Language )

( Very High-level Language )

( Natural Language )

31.

1 ( Machine Language )

• (Machine Language)01

• 0 1

32.

2 ( Assembly Language )

• (Symbolic and Assembly)

• (Instruction set)

• AADD SSUBTRACT CCOMPLARE MPMULTIPLY

33.

3

• (Programming Language)

• (1954)FORTRAN

• CODASYL (1962)COBOL

• (1958-60)ALGOL

• . BASIC

• ( Compiler )

• ( Interpreter )

34.

4(Very high - Level Language)

• 4 (Non-procedural language)

• (Query Language) SQL (Structure Query Language) . .

• (Program Generator)3

35.

5

• 5 (Non-procedural language)

• ( Expert System ) ( Artificial Intelligence )

• ( Knowledge Base System )

36.

Question ?

Visual Basic?