1.

• Hardware

Software

Peopleware

Data

(Procedure)

(Data Communication)

6 2.

(Input Unit)

(Memory Unit)

(Central Processing Unit :CPU)

(Secondary Storage)

(Output Unit)

5 3. 4.

(System Software)

(Application Software)

(Package)

5. (System Software)

(Operating System:OS)

6.

IPL(Initial Program Loader)

(System Software) ROM (Read Only Memory) IPL 7.

(Translation Program)

(Compiler) (Interpreter)

(System Software) 8. (System Software)

(Diagnostic Program)

9. (System Software)

(Utility Program)

10. (Package) 11. (Application Software) 12. (Package)

(Database Management Software)

13.

(spreadsheet Software)

(Package) 14. (Package)

(Word Processing Software)

15.

(Presentation Software)

(Package) 16. (Package)

(Game)

17.

(System)

(Programming )

• • Application Programming

• • Maintenance Programming

(DBA:Database Administrator)

(Operator)

(User)

18. (Character)(Field) (Record) (File) File 19.

20.

21.

22.

23.

24. 25. Central Processing Unit / CPU

26.

• • • AUL

(Arithmetic and Logical Unit / ALU)

• • • (Arithmetic Operation)

• • • (Logical Operation)

27. (CU)

• 1. (decoder)

• 2. (ROM)

28. (ALU)

29. Logic Circuits " "" "" "" ""1""0"2 1.(combination logic)2.(sequential logic) 30. CPU InstructionDecoder Instruction Resister CU StorageResister -ALU 31. Memory Unit

Magnetic Core

Semiconductor Memory

Monolithic Memory Chip

Integrated Circuit or IC

32. 1. (Volatile memory) RAM (Random Access Memory) CPUSD RAM DDR RAM 33. 2. (Nonvolatile memory) CPU ROM (Read Only memory) 34. (Magnetic Tape) (Mylar)(Iron Oxide) 2 1. (Reel tape) 2. (Tape cassette and cartridges) 35. (Secondary Storage) CPU 2 1. (Sequential access media) 2.(Direct access media) 36. -

(Backup Data)

Sequential file

37. (MagneticDisk) Random track Disk Pack 38.

1.(Soft disk or Floppydisk) Oxide disk track track sectorsector 39. (CD-ROM) Compact Disk-Read Only Memory Optical Mediatrack sector 40. 2. (Magnetic Disk or Hard Disk) (platters)Spindle 3600 41. (Input Unit) (keyboard)(mouse) 42. (Terminal) 101 2 1. 2. 43. (Mouse) XY (mouse pad) 44. (Track Ball) 45. (Touch - Sensitive Screens)

4

46. (Joystick) 2Potentiometers1 / / 47. (Light pens) Computer-Aided Design (CAD) 48. (OCR-Optical Character Recognition) Optical Device ISBN OCR - (Optical Marks)- (Optical Character) - (HandWritten Characters) - (Bar Codes) 49. (Optical Mark Readers) OMR 50. Wand Reader OCR-A 51. Hand Written Character Device Optical Scanner 52. Bar Code Reader

• (resolution)

53. (Output Unit)

(output device)

54. (Monitor)

2

• ( Pixel)

• (Vector)

• • (Monochrome)

• • (Red,Green,Blue:RGB)

55. (Printer) Hard Copy 3 1.Serial Printer 2. Line Printer 3. Page Printer 56. Serial Printer

1. (Impact Printer)

• (Dot matrix printer)

• (Daisy Wheel Printer)

40-450cps (Character per second)

2. (NonImpact Printer)

• - (Thermos-Electric Printer)

• (Ink Jet Spray Printer)

57. Line Printer 1000 -5000lpm (Line per minute) 3 1.The Band Printer 2. The Chain Printer Band Printer 3.The Drum PrinterDrum 58. (Plotter) 1. (Drum Plotter) 2. (Flatbed Plotter) 3. (Electrostatic Plotter) 59. Page Printer (Laser Printer) 6 (Toner) 60.