System Software

• the function of operating systems:

  • file management
  • user management
  • user interface
  • multitasking
  • memory management
  • peripheral management
• all programs are temporarily stores in RAM so the CPU can process them
• the operating system transfers programs in and out of the memory from the hard drive
• programs are removed from the RAM to free up space for other tasks
• multitasking is when the operating system performs one process at a time
• a peripheral is an external device connected to a computer system that allows a user to input or output data
• a device driver is a program that provides an interface for the operating system to interact and communicate
• the operating system allows users to create, manage and delete user accounts
• users management allows users to have different access rights
• user interface allows humans to interact with the computer system
• types of user interface:

  • Graphical User Interface
  • Command Line Interface
  • Menu Driven Interface