embedded systems

• Features

  -Dedicated to specific tasks/functions

  -Embedded program cannot be changed by user

  -Require little memory

  -Require no peripherals
• Embedded computers

  •An embedded computer is a single microprocessor that includes RAM, ROM and a CPU
• computer

  •A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. 
• inputs

  touchscreen

  concept keyboard

  sensors (pressure, moisture,movement)
• outputs

  screen

  speakers

  light

  acuator
• more features

  No operating system

  limited purpose and function

  program held in rom

  built into object that contols it (washing maching)

  written in assembly code
• acuator


  component of a control system that converts a control signal (usually electrical)  into some kind of mechanic motion.