A floppy disk (magnetic material) will hold a limited amount of data. About 1.44 Mbytes which is equivalent to 1,600 pages of text.

CD-ROMs hold 650MB of data, which is equivalent to about 250,000 pages of text or 20,000 medium-resolution images.

A CD which interacts with the user. It allows the user to choose options, play a sequence of events or scenarios in a particular order, search for information, play a video or audio clip.

On TV�s and can be often know as CEEFAX. It has page numbers ranging from 100 to 999 and is often split into category�s. e.g 300 is the Sports index, 600 is the television lists index.

No bookmarking of favorite pages but there is a new feature of Fastext. This is where 4 relevant pages are stored on a single page which may link back to the Index page, Section page, Home page, Next page.

A on-line page where user can log onto to. On a bulletin board, question and answers and advice can be posted and stored under a category. A conversation can be held between the person whose question it is and the person with the answer. All people who log onto the bulletin board can see the answers and add their own comments as well.

A database that will be networked. These are found through an ISP, a LAN, WAN. These databases are updated centrally so that users can access new data straight away.

One proposal for an on-line database will be the Patient records for all doctor surgery�s, pharmacies and hospitals. This will be a quick way to detect an allergy of a patient when taken ill suddenly while on holiday in the country.

Internet on-line database could be:

A web-based resource within a company. Details of meetings, reports, staff information, customer information can be more easily maintained. The intranet can only be access by the people within the organisation.

A web-based resource outside an organisation that the general public can access. A good media to create extra business and advertise a business�s services.

Can also be created by individual that want to share their knowledge or skills

In the following table tick which computer resource is likely to hold that type of information. Consider how much storage space each device can hold and the amount of space the information will require. For example sound file will require larger storage space than a picture file or a text file.