The OS

The OS

1. Managing Peripherals

   • Communnicates with and sends data outputs to a printer/monitor/other valid output devices
   • Communicates with and receives data output from keyboard/mouses/other valid in[put devices

2. Managing printing using spooling

   • Data is stored on a hard disk/in memory/stored in a queue
   • Documnts are printed when the printer is free/in correct order
   • Benefits-user can carry on working/log off when waiting for job to print

3. Managing backing store

   • Ensures data is stored and can be retrieved correctly from any hard disk drive
   • Creates and maintains filling systems such as FAT or NTFS
   • Organises files is a hierarchical directnory structure

4. Managing RAM

   • Ensures that programs/data do not corrupt eachother
   • Ensures that all program and data,including itself, are stored in the correct memory location

5. Managing processes

   • Ensures that different processes can utilise the CPU and do not interfere with each other or crash
   • On a multi-tasking OS ensures that all tasks appear to run simultaneously