Software

Operating systems

Allows the computer to run, allows application software to run

· iOS 8

· windows 8

Application software

General purpose (Generic) software:

· Microsoft office

· Off the shelf software

· Software as a service (SAAS)

Specialist Software:

Mostly used by large companies, for a specific purpose

· Government use

· Banking and managing accounts

· Weather forecasting software

Buying and Upgrading Software

Locally installed software

Saved on your particular computer and you can either buy it from a shop or download it from the internet.

Leasing the software

Software that you pay for monthly or weekly, and advantage of this is that you don’t have to go out and buy it and the payment is usually ongoing

Software as a Service (SaaS)

Pay as you go software and you pay every time you need to access it. It is not stored on your computer; it’s hosted by someone else.

Software Licences

Multi-user licence

You can install it one more than one devices, but the number is agreed. You can put the particular programme on to the amount of computers you have paid for and no more.

Licence by use

You can still only install on a certain number of machines, but only a limited number of people can use it at any one time, even if the number of computers is higher than

Site Licence

Can be used on all computers on one site (all computers in a particular area) but there is a limit of computers that can have the programme

Open source software

open source software is software that is free and available to everyone to download. They won't be official, and will most likely be remakes of existing software (e.g. Microsoft Word) but will be compatible with the original. Some advantages of open source software are:

· Its free

· There are open source software of operating systems or software which are free

· Its free because the source code used can be adapted and it is created by anybody

· No licensing fees

· You can copy and distribute it as much as you want

· The file compatibility is good because you can save files from one to another

	Created by graceekirkby about 10 years ago

GCSE Everything (ICT ) Note on GCSE ICT - Software and Operating Systems , created by graceekirkby on 25/11/2014.