Floppy+Disk+Drive

=Floppy Disk Drive= MeghanMtoc

Adopted by Michael

**Purpose** //What is the fundamental purpose of the device?// the purpose of a floppy disk is to save the work you did on the computer and you can open it up on any other computer.

Energy
//What energy transformations are seen in its operation?// The hubs holes fit over spindles inside the computer and hold the disk in place while it spins.

Controls
//What sensors/controls are designed into the device?// A sensor that detects the rotational position of the diskette via an index hole on floppy disks.

Materials
//What material(s) are essential to the device?// the hub (metal circle in the middle) and the magnetic disk

Science
//What is scientific principle is central to its operation?// when you put the floppy disk in a hard drive energy goes through wires to the disk and when you want to open up you work the energy is reversed.

Design
//What does a typical device look like?// its a thin plastic square with a metal circle in the middle.

Evolution
//What changes have there been (or could there be) in this device?// the floppy disk has gotten smaller over time.

Competitors
//What other devices serve a similar purpose? flash drive//

Partners
//What other devices work in conjunction with this device? you need a computer hard drive to use a floppy disk.//

Siblings
//What other devices use the same scientific principle? flash drive and cds//

DVR Flash Memory Drive