Introduction to computer
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1. Elements of an information System
1.1. Hardware
1.2. Software
1.3. Data
1.4. People
1.5. Procedures
2. Examples of computer Usage
2.1. Home user
2.2. Small office
2.3. Mobile user
2.4. power user
2.5. Enteprise user
3. Packaged Software
3.1. Input Devices
3.1.1. web cam
3.1.2. mouse
3.2. Output Devices
3.2.1. printer
3.2.2. moniter
3.3. System Unit
4. computer Software
4.1. system Software
4.2. operating System
4.3. Utility program
5. Categories of computer
5.1. Personal computer
5.2. Mobile computer
5.2.1. Notebook
5.2.2. Tablet Pc
5.2.3. Mobile Devices
5.2.4. Smart phone