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1.7 Revsion (Operating System (Is the core of a computer, control the…
1.7 Revsion
Operating System
Is the core of a computer
control the hardware of a computer system
manage software
provide secruity
provide a user interface
Utilities
Secruity
Performance
Improve storage efficiency
Backup
System Information and diagonis
Parts of O.S
User interface
Kernel
Device drivers
system utilities
Kernel
loading applications from memory
memory management
file management
User Interface
Menu interface
Command line interface
Graphical user interface
gives possible actions that a person can carry out
Encryption Utilities
Encryption scrambles data
Data we send is encrypted
So it's hard for people to know what someones details are
Defragmentation utilities
files are stored in memory. on a hard disk , memory is divided into sectors
Keeps files together as much as possible
Device driver
Enables the O.S to control and communicate with the device