Question

Without software hardware cannot operate. explain how the following system software may be useful. Your answer must also include the elements which are included within the brackets. I. Operating system ( Type of OS and Type of Interface) II. Backup tool ( Type of Back-up and Back-up media) III. File handler (File operations) Use the example of a Tsunami alert system to elaborate.

Answer 1

Operating system is also called system software.the short name is called O.S. it is also called the heart of the computer. operating system that acts as an interface between user and computer hardware.

ex. keyboard,mouse

Types of OS

• Single user operating system: The single user operating system allows the user to work on the computer at once.
• Multi user operating system: Operating system in which you create and work on more than one user account.

1. Large memory
2. Memory protection
3. Paper job mixing

• Batch processing OS: through this program are used for execute .
• Multi processing OS: Is used to explain a processing method where two processors are connected to each other

Types of interface

• Character/commend user interface: In this interface a user respond to a visual prompt by typing a command a response back from the system. Ex M.S Dos.
• Graphics user interface: It is user friendly and most popularly used interface.It provides window, Menu,icon and many more option.Ex M.S Windows.