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computer-system - Coggle Diagram
COMPONENTS OF THE COMPUTER SYSTEM
INPUT
Optical Mark Reader (OMR)
Magnetic Ink Card Reader (MICR)
Scanner
The Trackball
Joystick
Digital Digitizer
Bar Code Readers
Optical Character Reader (OCR)
Mouse
Advantages
• Easy to use
• Not very expensive
• Moves the cursor faster than the arrow keys of the keyboard
Keyboard
Typing Keys
Numeric Keypad
Function Keys
Control Keys
Special Purpose Keys
Microphone
PROCESS
a program that is running on your computer. This can be anything
from a small background task, such as a spell-checker or system events handler to a
full-blown application like Internet Explorer or Microsoft Word. All processes are
composed of one or more threads.
OUTPUT
Monitors
Cathode-Ray Tube (CRT) Monitor
Flat-Panel Display Monitor
Emissive Displays
Emissive Displays
Graphic Plotter
Printer
Impact Printers
Character Printers
Dot Matrix Printer
Daisy Wheel Printer
Line Printers
Drum Printer
Chain Printer
