Sunday, December 5, 2010

5 examples of storage devices

Zip Disk - They look like a floppy disk, but they are a little thicker. This disk also comes in a variety of colors and holds about 200 MB of data.


Floppy Disk - They are plastic square disks, usually with a silver or black sliding piece going across the top. These disks come in a variety of colors and they hold about 144 million bytes. (Bytes are characters, symbols and letters).

Smart Cards - These are the size of an ATM card. When inserted into a smart card reader, they can read and update data for you.

Micro Drive - This is a square disk that has 1 GB of space and is used with digital cameras and handheld computers.
Memory Stick - This is a rectangular shaped disk that is used mostly with digital cameras and notebook computers. They hold approximately 128 MB as well.

5 examples of output devices

Monitor - A monitor is the screen on which words, numbers, and graphics can be seem. The monitor is the most common output device.

Printer - A printer prints whatever is on the monitor onto paper. Printers can print words, numbers, or pictures.

Speaker - A speaker gives you sound output from your computer. Some speakers are built into the computer and some are separate.
Headphones - Headphones give sound output from the computer. They are similar to speakers, except they are worn on the ears so only one person can hear the output at a time.

Floppy Disk - A floppy disk is used to record information on. The information is stored on the floppy disk and can be used later or used on another computer.

5 examples of input devices

camera-most cameras like this are used during live conversations. The camera transmits a picture from one computer to another, or can be used to record a short video.


Compact Disc (CD) - CDs store information. The CD can then be put into another computer, and the information can be opened and added or used on the second computer.
Note: A CD-R or CD-RW can also be used as an OUTPUT device.
 

 Joystick - A joystick is used to move the cursor from place to place, and to click on various items in programs. A joystick is used mostly for computer games.
Bar Code Scanner - A bar code scanner scans a little label that has a bar code on it. The information is then saved on the computer. Bar code scanners are used in libraries a lot.

 Mouse - The mouse is used to open and close files, navigate web sites, and click on a lot of commands (to tell the computer what to do) when using different applications.