Systems Software

Systems Software

1. Device Drivers

   • Graphics Card Driver
   • Network Interface Card Driver
   • Printer Driver
   • USB Drivers

2. OS

   • Different Types
     • Windows
     • Android
     • OSX and iOS
   • Peripheral and Driver Management
     • Driver: Piece of software to control hardware
     • OS manages driver updates, installs and 'how to use' peripherals
   • UI
     • Command Line: Text-based
     • GUI
       • W indows
       • I cons
       • M enus
       • P ointer
   • Memory Management
     • OS allocates RAM between different programs, user does not need to know where this is
   • Multitasking
     • CPUs cannot multitask, OS splits tasks us into small bits to simulate multitasking
   • File Management
     • OS manages secondary storage and where files are saved, the user does not need to know where the files are, just how to get to them

3. Utility Programs

   • Anti-Virus
   • Disk Defragmentation
   • Disk Copier / Formatter
   • Data Compression