AQA A2 Computing 4.2 Operating System Classification Flashcards
Interactive operating system
An operating system in which the user and the computer are in direct two way communication
Real-time operating system
Inputs are processed in a timely manner so that the output can affect the source of the inputs
Network Operating System
A layer of software is added to the operating systemof a computer connected to a network. This layer intercepts commands that reference network resources elsewhere on the network, e.g. a file server, then redirect the request in a manner completely transparent to the user
Sandbox
A tightly controlled set of resources for guest programs to run in
Embedded computer system
A dedicated computer system with a limited or non-existant user interface and designed to operate completely or largely autonomously from within other machinery
Desktop operating system
An operating system that allows a user to carry out a broad range of general purpose tasks
Client-server system
a system in which some computers, the clients, request seervices provided by other computers, the servers
Server operating system
an operating system optimised to provide one or more specialised services to networked clients
