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Operating systems - Coggle Diagram
Operating systems
Components
CPU
Disks unit
output devices
Monitor
Printer
Input devices
Keyboard
Mouse
Sound devices
Rom
Drivers
Memory management
RAM
The programs are loaded in the Ram memory to be executed
It is a volatile memory which means it is prone to data loss
It is quite small to store all the programs and data on a permanent way
DARM
Is a dynamic memory that creates a matrix of words each one of them has their own direction
Hard disk
The most common is the mechanic hard disk
Drivers
An important component that allows the communication between the device and the OS
Types of architectures
One processor
multi processor
Cluster systems
Computers can store data in differentdevices such as a mechanic hard drive, optic etc.
The data is stored in "directories"
you can modify the the access of the file
Reading
writting
Cache
It is a technique which consists of copying the information in a temporary way
Types
Distributed
General purpose
Real time embedded systems
Multimedia
Hand systems
Environments
Traditional
Server-client
Web
Equals
Definition
A really complex piece of software
It is the intermediary between the user and the machine
Manages the hardware components and software apps
It is build piece by piece
They come in different shapes and sizes
Protection and security
Is a mechanism that controls the access of the users and tasks
They improve
Error detection
Allows a distinction between
Unauthorized use
authorized use
Allows to improve security by not giving access to anyone