Computer Fundamentals

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Computer Fundamentals por Mind Map: Computer Fundamentals

1. Android (For Mobile Devices

2. units of measure

3. A computer is made up of

4. Manages Output (Display)

5. Manages input and Output (Save)

6. keep computers away from magnets

7. dangers of the internet

7.1. some of the danger of the internet are

7.1.1. cyber bullying

7.1.2. phaming

7.1.3. phising

7.1.4. viruses and worms

7.2. when using the internet

7.2.1. report any cases of cyber bullying to the teacher and parants

7.2.2. do not show passwords or per

8. output device

8.1. recieve data from the computer

8.2. monitor

8.3. speakers

8.4. printer

9. About Computers!

9.1. Keyboard

9.2. System Unit

10. Computer ports

10.1. DVI

10.1.1. Digital Video Input

10.2. HDMI

10.2.1. High Definition Multimedia Interface

10.3. USB

10.3.1. Universal Serial Bus

10.4. VGA

10.4.1. Video Graphics Array

10.5. LAN

10.5.1. Local Area Network

11. Lab Safety and Security

11.1. Safety

11.1.1. Tie up untidy wires

11.1.2. Watch out for: • Fire hazards – remove them. • Exposed wires – tape them to the floor or enclose them in casing.

11.2. security

11.2.1. Use a cable lock to prevent your notebook or laptop from being stolen.

11.2.2. Use passwords to protect folders and files in your computer.

12. Files and Folders

13. Storage Media

13.1. memory card

13.2. CD-ROM

13.3. hard disks

13.4. thumb drives

14. Input Process Output

14.1. Incorrect but readable input

14.1.1. recieve data from the computer

14.2. Incorrect but readable output

14.3. Correct and readable input

14.4. Correct and readable output

15. Data Backup and Archive

15.1. Backups are stored in portable hard disks or CD ROMS

15.2. Backups are for short period of time

15.3. Backups are done regularly to saved project in case of data loss

15.4. Archive

16. Care for Equipment and Data

16.1. tie up cables neatly if not in used

16.2. safetly and gently remove all attached hardware

16.3. do not pull paper forcefully out of the printer

16.4. save your work regulary

17. Operating System

17.1. input process output

17.2. Manages Input

17.3. Examples of Operating System

17.3.1. Windows

17.3.2. Linux

17.4. Manages Output

18. Storage Capacity

18.1. Secondary

18.1.1. refers to external storage media

18.2. primary

18.2.1. refers to RAM

19. Data LossData Los

20. Computer Memory

20.1. Random Access Memory

20.2. 1)Loses data when the computer is switched off (volatile memory).

20.3. 2) Stores programs and data that the computer is working on.

21. Central Processing Unit

21.1. write data to storage media

21.2. sends data to monitor

21.3. performs calculations in memory

22. input device

22.1. send data to the computer

22.2. keyboard

22.3. mouse

22.4. scanner