Operating Systems

Operating Systems

1. Multitasking

   • Multitasking is when your CPU is idle and not doing anything and so it will go and do something else with a different process.
   • The states of the process are:Waiting Runnable and Running

2. The User Interface

   • The user interface provides a communication between the user and the operating system. The user interface layer is above the kernel and the kernel can provide a range of of user interfaces.

3. Memory Management

   • A key role of for the operating system is manage the available memory. The primary memory will be the programs and data currently in use.This makes sure that the programs and data and stored efficently and safely.

4. Drivers

   • Drivers allow peripheral devices to be used on a computer system. It's basically a piece of software that controls a hardware.

5. Peripherals Management

   • Peripheral devices need to communicate with the rest of the computer system. It is essential for the computer systemto input,output and store any data.
   • Communication is controlled by signals from the device drivers.

6. File Management

   • It's like memory management but with files. It doesn't need to know a specific track,sector or surface address because the operating system will know how to locate the file.

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