Types of Operating System Flashcards
Key features of a multi tasking operating system [1]
Multiple programmes can be run at once
Key features of a multi user operating system [2]
More than one person can use the computer at once
User access levels are incorporated
Key features of a distributed operating system [1]
A computer controls and coordinates the processing of other computers across a network as if they were one computer
Key features of an embedded operating system [2]
This is used on non traditional computers (e.g. washing machines, traffic lights, set-top boxes)
It often has dedicated hardware for maximum efficiency
What are some of the functions of the operating system?
Provide a user interface,
coordinate peripherals,
handle interrupts,
provide security,
provide a platform to run other software
Provide utilities for software maintainence
Key feature of a real time operating system?
Often used in time critical and safety critical environments (cars, planes, hospitals…)
Plenty of redundancy is built in to cope with sudden increases in input