Microsoft Office

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• Microsoft Office

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??????????? (Computer)

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• ????????? (input)
• ?????????? (storage)
• ???????????????????? (processing)
• ?????????????????????????? (output)

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The Automobile

• Driver
• Automobile machanic
• Automobile designer
• Automoblie engineer
• Chemist or Metallurgist

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Level of Abstraction

• Operating systems level
• Programming language level
• Functional organization level
• Hardware design level
• The laws of physics

Computer science
Electrical engineering
Physics
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Computer for sales

• Intel Pentium III 100 MHz
• 128 MB SDRAM
• 30 GB HDD
• 48X CD-ROM
• 56K Fax/Modem
• Intel 814E Chipset direct AGP
• 17 Monoitor

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Computer System

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• Hardware
• Software
• People
• Data

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Hardware (Computer Component)
Computer System

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• Central Processing Unit
• Memory Unit
• Input/Output Unit
• Storage devices

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9
(No Transcript)
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CPU

• Central Processing Unit
• Processor
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• Arithmetric Logic Unit
• Control Unit

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Memory

• Internal Memory
• Read Only Memory (ROM)
• Random Access Memory (RAM)
• External Memory

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I/O devices
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Software
Computer System

• System software
• Operating System - Dos, Windows, Unix
• Compiler
• Application software
• Word Processing
• Payroll System

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15
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Windows Lotus Notes Multitasking Powerpoint Excel
Visual Basic Standalone Taskbar
Joystick Microsoft
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People
Computer System

• End user
• Programmer
• System analyst
• System administrator

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Data
Computer System

• Data Fact
• Information Process data

Data
Data Processing
Information