Year 7 – Design & Technology (Memory Storage Devices)

For general background information to get you started try Encyclopaedia Britannica on line

http://www.patsblacktown.nsw.edu.au/library

Click on library catalogue/e-resources and search Britannica -you will find information at three different levels

Number One – Flash drives

Search howstuffworks
http://electronics.howstuffworks.com/
Inside This Article:

1. Introduction to How Flash Memory Works

http://electronics.howstuffworks.com/flash-memory.htm
2. Flash memory: tunneling and erasing

http://electronics.howstuffworks.com/flash-memory1.htm
3. Removable flash memory cards

http://electronics.howstuffworks.com/flash-memory2.htm

4. Memory standards

http://electronics.howstuffworks.com/flash-memory3.htm

Number Two – RAM Memory & CD’s

Information from the BBC for schools
http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev1.shtml
A computer uses two types of storage:

- A main store, consisting of ROM and RAM, and
- Backing stores, which can be internal (a hard disk) or external (eg, floppy disk or CD)

Inside This Article:

ROM and RAM

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev2.shtml

Internal backing store

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev3.shtml

External backing stores: magnetic disks

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev4.shtml
External backing stores: optical disks

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev5.shtml
External backing stores: magnetic tape

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev6.shtml
External backing stores: other types

http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev7.shtml

Number Three – MP3 Diagram (how it works)
about.com
http://pcworld.about.com/news/Feb162001id41106.htm

Inside This Article:

A diagram and explanation of how an MP3 player functions. The explanation seems very high order language, though the students may be able to use the diagram to explain how it is used.

http://computer.howstuffworks.com/mp3.htm
Simplified version with a video link explaining how an MP3 player works.

image:http://www.flickr.com/photos/gthang1983/ May 5, 2008