Mapa mental
Systems Software
Conteúdo do mapa
Systems Software
Utility software
- File compression
- Lossy: Some of the original data is lost so the original file can not be re-created.
- Lossless: no data is lost so the original file can be re-created.
- Disk Defragmentation
- When a hard disk drive is new, files get added onto the disk in order.
- All files are deleted: this leaves gaps so when new files are saved then the files fill these gaps and become fragmented
- Defragmentation software groups these fragmented files back together
- All files are deleted: this leaves gaps so when new files are saved then the files fill these gaps and become fragmented
- When a hard disk drive is new, files get added onto the disk in order.
- File Repair
- Disk formatting
- Disk backup/restore
- Disk copying
- Anti-Virus
- Encryption
- Encryption means to scramble data so it cannot be read by anyone without the key.
- Data is encrypted using a key and decrypted also using a key, this makes it unreadable for anyone who intercepts it.
- File compression
Operating system
Informações
- Descrição
- Mapa Mental sobre Systems Software, criado por Charlie Bulled em 05-12-2017.
- Criado por
- Charlie Bulled
- Visualizações
- 0
- Avaliação