Computer Fundamentals

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Computer Fundamentals von Mind Map: Computer Fundamentals

1. Android (For Mobile Devices

2. units of measure

3. output device

3.1. recieve data from the computer

3.2. monitor

3.3. speakers

3.4. printer

4. Files and Folders

5. Storage Media

5.1. memory card

5.2. CD-ROM

5.3. hard disks

5.4. thumb drives

6. Input Process Output

6.1. Incorrect but readable input

6.1.1. recieve data from the computer

6.2. Incorrect but readable output

6.3. Correct and readable input

6.4. Correct and readable output

7. Data Backup and Archive

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

7.2. Backups are for short period of time

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

7.4. Archive

8. Care for Equipment and Data

8.1. tie up cables neatly if not in used

8.2. safetly and gently remove all attached hardware

8.3. do not pull paper forcefully out of the printer

8.4. save your work regulary

9. Operating System

9.1. input process output

9.2. Manages Input

9.3. Examples of Operating System

9.3.1. Windows

9.3.2. Linux

9.4. Manages Output

10. Storage Capacity

10.1. Secondary

10.1.1. refers to external storage media

10.2. primary

10.2.1. refers to RAM

11. input device

11.1. send data to the computer

11.2. keyboard

11.3. mouse

11.4. scanner

12. A computer is made up of

13. Manages Output (Display)

14. Manages input and Output (Save)

15. keep computers away from magnets

16. dangers of the internet

16.1. some of the danger of the internet are

16.1.1. cyber bullying

16.1.2. phaming

16.1.3. phising

16.1.4. viruses and worms

16.2. when using the internet

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

16.2.2. do not show passwords or per

17. About Computers!

17.1. Keyboard

17.2. System Unit

18. Computer ports

18.1. DVI

18.1.1. Digital Video Input

18.2. HDMI

18.2.1. High Definition Multimedia Interface

18.3. USB

18.3.1. Universal Serial Bus

18.4. VGA

18.4.1. Video Graphics Array

18.5. LAN

18.5.1. Local Area Network

19. Lab Safety and Security

19.1. Safety

19.1.1. Tie up untidy wires

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

19.2. security

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

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

20. Data LossData Los

21. Computer Memory

21.1. Random Access Memory

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

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

22. Central Processing Unit

22.1. write data to storage media

22.2. sends data to monitor

22.3. performs calculations in memory