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Computer System - Coggle Diagram
Computer System
Key components
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Processor carry out instructions, process data and do calculations
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Memory allows the computer to store the data it is using and processing ( Primary ) RAM- Random Access Memory
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Dangers of Internet
Cyberbullying
- Bullying on the cyberspace
- Report bullies to an adult
Online Predator
- Using fake identity online to target their victims
- Do not give away personal information to online strangers
Viruses and malicious software
- Will collect personal information without permissions
- Steal/lose data
- Install an anti-virus/anti-spyware software to prevent
Illegal and offensive content
- Close the browser immediately
Hackers
- Gain unauthorized access to computer systems
- Use stronger passwords and change them regularly
Hardware
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Troubleshooting
Physical device not working properly
- Check if connection is secure
- Check if power is on
Software not working
- Use task manager to stop program
Wireless not working
- Check if adapter is switched on and connected to the appropriate network
Wired connection not working
- Ensure network cable is connected properly to the PC
If all fails
- Restart the PC
- Ask a professional for help
Software
Operating Systems
Provides the user interface, manages the computer's resources and hardware
Managing the computer's resources such as CPU,
memory and file storage
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Eg Windows, Mac OS, Linux
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Application software. Allows users to write document, create, presentation slide or produce digital drawings
Word processor
To create letters, brochures and information sheets
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