Operating Systems 1
1 Operating Systems
Operating System Question: Who should take the responsibility if the bus does not come on time? Dispatcher's task:meet the requirement of buses and passengers Least waiting time for passengers Largest passenger capacity for buses
Operating System Question: Who should take the responsibility if the bus does not come on time? Dispatcher’s task：meet the requirement of buses and passengers ◼ Least waiting time for passengers ◼ Largest passenger capacity for buses
>Wenzhou train collision disaster >Shanghai metro line 10 3
3 ➢Wenzhou train collision disaster ➢Shanghai metro line 10
Basic Principles of Operating Systems An operating system is a collection of software that coordinates the working of the different components of the system and gets the user's job done.The operating system provides the user with all the basic things necessary to do his job. Is it enough to have microsoft word to write letters? No. Surprised?
Basic Principles of Operating Systems An operating system is a collection of software that coordinates the working of the different components of the system and gets the user’s job done. The operating system provides the user with all the basic things necessary to do his job. Is it enough to have microsoft word to write letters? No. Surprised?
What is an Operating System? 1.What if there is no interface to the key board? 2 What if there is nothing that will control the output to VGA card? 3. What if there is no interface to the human user so that he can switch on"MS Word“? Yes the answers to all these questidns is operating system. Technical Definition:An OS is a collection of system software that coordinates between the hardware,provides a platform for softwares to run on and provides the user with an interface for command inputs. DOS,Linux,Unix,Windows,MAC,OS/2,Minix,and many more. The governmental systems like Postal system,Railway System are analogous to Operating Systems
1. What if there is no interface to the key board? 2. What if there is nothing that will control the output to VGA card? 3. What if there is no interface to the human user so that he can switch on “MS Word “ ? Yes the answers to all these questions is operating system. Technical Definition: An OS is a collection of system software that coordinates between the hardware, provides a platform for softwares to run on and provides the user with an interface for command inputs. DOS, Linux, Unix, Windows, MAC, OS/2, Minix, and many more. The governmental systems like Postal system, Railway System are analogous to Operating Systems. What is an Operating System?