Removable Storage Devices

Removable Storage Device

ICT Lesson for Year 3 20th April 2009

INTRODUCTION

• We use removable storage device to store or save our data. • We can easily carry data anywhere and anytime. BACK

C rem an y de ova ou fin v b use ices le st d 5 d t that ora g os av can e e d be ata ? CD-ROM

FLOPPY DISKETTE

PORTAB LE HARD DISK

CLASSWO RK

PEN DRIVES DVD

INTRODUCTIO N

FLOPPY DISK

• It was the first types of storage devices • It can hold up 160 kB to 1.44 MB of data • It has limited storage and very easy to lose or damage. ----------------------------------------------------------------------------------BACK

PORTAVLE HARD DISK

• It was possible to store more data compare to a floppy disk. • We can save videos, movies, games, songs, pictures with this device. -----------------------------------------------------------------------------------------------------

BACK

CD-ROM

• A CD-ROM is similar to a hard drive and floppy diskette. • It allowed us to save a big size of data. • It is still widely used as a storage for songs, videos, pictures or video games(PSP, PS3, Xbox, Wii, etc). ------------------------------------------------------------------------------------------------------

BACK

DVD

• When we heard DVD, we think of movies. • We can save more data by using a DVD compare to a CD-ROM. • DVD (4.7GB or more) can hold more than a CDROM (700MB) • But we need to have a DVD player to play it. -----------------------------------------------------------------------------------------------------

BACK

PEN DRIVE

• It is also called a pen drive, thumb drives, USB drive or memory stick. • It is small in size and can be carried easily. • It can hold 512 MB to 8 GB • We can plug it into the USB port of a computer and laptops similar to External Hard drives (Hard disk). -------------------------------------------------------------------------------------------------------

BACK

CLASSWORK ACTIVITY Instruction on the exercise

• •

Find a folder on your computer screen (desktop) called “20 April 2009” . Click on Microsoft Words document called “Exercise”

BACK

Conclusion There are different types of removable storage devices that we can used to STORE or SAVE our documents such as songs, videos, pictures, movies, text, sounds, games, etc. So what types of storage devices?