OPERATING SYSTEM

OPERATING SYSTEM

1. MANAGING RESOURCES

   • DISK DE-FRAGMENTATION
     • It is when you re-arrange file fragments which improves speed and load times
   • MEMORY (RAM)
     • The OS ensures that there is enough memory for each program to run
   • BACKING STORES
     • The OS will make regular backups in the correct format
   • PROCESSES / MULTI TASKING
     • CPUs generally don't support multitasking and the OS has to alternating which processes the CPU spends its time on

2. PERIPHERALS

   • INPUT AND OUTPUT DEVICES
     • INPUT
       • Keyboard
     • OUTPUT
       • Monitor
   • DRIVERS
     • Software that maps commands to peripherals