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Sunday, July 29, 2018

The basic concept of Operating System (chapter 2)






During class time, we were asked to make a discussion on chapter 2 of subject of operating system . This chapter is about the basic concept of operating system which the systems used to manipulated with the user interface.

"If the application is usually command driven, the shell might be a menu-driven system that translates the user's selections into the appropriates commands "

👀 WHAT IS MENU-DRIVEN SYSTEM ?
       WHAT HAVE YOU UNDERSTAND ABOUT THIS SYSTEM ?


  
* the user interacts with the computer by selecting options from a menu.
💭  The systems which use a menu driven interface :

  • wordwise word processor 
  • a bank cash point machine 
  • grass database
👀  WHAT IS GUI ?
       


* GUI is stand for Graphical User Interface which is  presented (displayed) on the computer screen. It is the result of processed user input and usually the main interface for human-machine interaction. The touch user interfaces popular on small mobile devices are an overlay of the visual output to the visual input.

👀  WHAT IS NETWORK OPERATING SYSTEM ?

This network operating system not related to network system as we have thought before. We have make a discussion about this system , this system is designed primarily to support workstation, personal computer and in a some instances , older terminal that are connected on a local area network (LAN)

A network operating system has to have the following features :

  • Deal with users logging on
  • Maintain the network connection to the server
  • Expand the file system to view folders on other computers
  • Provide security to separate user accounts from each other


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