Operating Systems 0.0 / 5 ? ComputingOperating systemsA2/A-levelOCR Created by: fingjCreated on: 25-01-16 13:08 What is an operating system? An operating software (OS) is a collection of software allowing the computer to run as a useful device 1 of 11 What does an operating system do? It manages hardware, user interface and applications software running on the computer. Without the OS the computer would not function. 2 of 11 Name the five types of OS... Single user (Single & Multi-tasking), Multi user, Embedded, Distributed, Real time. 3 of 11 What is meant by single user, single application? One user, one application being used at a time 4 of 11 What is meant by single user, multi tasking? One user, many applications and programs running at the same time 5 of 11 What is meant by the term Multi-user? OS that allows more than one user to be logged in and share resources at the same time. *Not computer system with different logins!* 6 of 11 How many applications can an Embedded OS run? Embedded OS only runs 1 application. 7 of 11 Give examples of how Embedded OS would be used ATM's, Ticket machines, Traffic lights etc. 8 of 11 What is a distributed OS? Distributed OS controls and coordinates a collection of independent computers, that will appear to the user as though they are a single system. 9 of 11 Give an example of how a distributed OS would be used... Film animations and CGI, Long term data mining. 10 of 11 What is the purpose of a Real Time OS? To carry out actions within a guaranteed amount of time. Usually responds in milliseconds. 11 of 11
Comments
No comments have yet been made