IO

SIMPLE FUNCTION
DIRECTLY
TYPICAL DEVICES COMMUNICATION
NETWORK

INPUT OUTPUT INTERFACE

COMMUNICATION TOOL

SYMBOLS
CONCRETE SYSTEM BEHAVIOR
COMBINATION OF THE CPU
CAN REDIRECT

INPUT OUTPUT INTERFACE

CONNECTS DIRECTLY TO INFORMATION
SIMPLE FUNCTION
OUTSIDE ONE HUNDRED
OUTSIDE THE PROGRAM

INTERFACE
INTERFACE
INTERFACE
INTERFACE

INPUT OUTPUT INTERFACE

DYNAMIC
PROGRESS
COMPUTER
UNDERSTAND
THE COMBINATION OF THE CPU

FIFTEEN SIMPLE FUNCTIONS

INPUT OUTPUT INTERFACE

INPUT OUTPUT INTERFACE