Operating Systems

Operating Systems

1. Classification

   • Tasks administration mode
     • mono-tasking
     • multitasking
   • Management of resources
     • centralized
     • decentralized
   • User administration mode
     • Single-user
     • Multi-user

2. Components

   • User interface
   • File system
   • Hardware devices and drivers
   • Kernel or Nucleus
   • API or Interface

3. Main Functions

   • Manage random access memory and run applications by allocating the necessary resources.
   • Manage the CPU thanks to a programming algorithm
   • To manage data inputs and outputs (through drivers) by means of input or output peripherals.
   • Manage the information for the proper functioning of the PC.
   • Manage the use authorizations for the users.