This is a presentation about computers From chamber accademy.

1. COMPUTER
 Computer
 an electronic device
 an information processing machine
 works under the control of a stored program

2. Characteristics of Computer
 * Speed
 * Intangible benefits
 * Accuracy
 * Reduced cost
 * Reliability
 * The Internet
 * Storage capability

3. Mouse
Monitor
Speaker
System
Keyboard Microphone
Display Screen/
Desktop area
COMPUTER SYSTEM

5. Input OutputProcessing
How does a computer work?

6. INPUT
OUTPUT
Data and Information

7. Information processing
* Data received by a computer via its input
devices
* Stored in memory prior to processing
* Data get processed
* Results sent to the output devices

8. INPUT DEVICES
Mouse
Scanner
Tracker ball
Touchscreen Light pen
Graphic tablet

9. Magnetic stripe reader
Voice recognition
Barcode reader
Digital camera
Microphone

10. OUTPUT DEVICES
Dot matrix
printer
CRT Screen LCD screen
PlotterLaser printer
Inkjet printer
speaker