• Input devices and output devices are collectively called "peripherals."
• Getting an input from peripheral is Read operation
• Sending an output to peripheral is Write operation.
• Switches
• sensors
IR sensor
Finger print sensor
Ultrasonic sensor
Gas sensor
• Camera
• Motors
• LED
• LCD
• RAM
• ROM
• EEPROM
• Hard Disk
• Flash Memory
An integrated circuit contained on a single silicon chip, a
microprocessor contains the arithmetic logic unit, control unit and
internal memory registers
• Shakthi Processor
• INTEL
• AMD
• ARM
• Qualcomm Snapdragon
• APPLE
CPU ROM RAM
I/O
A single chip
Subsystems:
Timers, Counters, Analog
Interfaces, I/O interfaces
Memory
HEXA TO BINARY
A145
1010 0001 0100 0101
B286

Microprocessors and Microcontrollers