Essay about Intro to Computers

Submitted By lilyish
Words: 484
Pages: 2

Input and Output Devices


Description
Input (I) OR Output (O) device
An example of a business application (not software application) where it would be used. Example: Fed Ex delivery or Oakton’s Student Registration System.
An interesting fact about this device
Keyboard
A device for enter characters at the location on the screen.
I
Most of computers including students’ laptops.
Oakton’s Student Registration System

Now even tablet pc(portable computers and mobiles) also able to use keyboard.
Mouse
A pointing device for moves around and click icons at the location on the screen
I
Most of computers: any offices or houses.
Banks
I used for ball mouse 8 years ago, but now light wires mouse is common.
Stylus
A pen like devices that able to write or draw as pen.
I
UPS delivery: when they get signature from customers
A pen device is now popular as mobile or tablet pc for everyone who even doesn’t do designed or animations.
RFID tag
A device that having a small chip and a radio antenna that can attached to an object
I
Fed Ex delivery shipping tracking
The shipping with device is able to track even it’s in out of country since it uses radio antenna.
Biometric reader
A device that use for input biometric data.
I
Social Security Office: Finger print
This device also able to input voices.
Touch screen
A display device that touched with fingers or stylus devices.
I AND O
Bank ATM
Touch screen is very related with our lives now such as phone, tablet pc, ATM, card transaction, navigator, and etc.
Digital camera
A device that takes picture, saves it, and send to computer
I
Photo graph studio
Now this device sends the picture to computer with wireless
Microphone
A device that input voice
I
Credit card customer services
Microphone even can input the speech into computer.
Ink-Jet printer
A device that print out with toner
O
Oatkon’s