Computer systems need input and output devices for effective teaching purposes. Lever-Duffy, J. & McDonald, J. B. (2011). Teaching and learning with technology (4th ed.). Boston, MA: Pearson Education, Inc./Allyn & Bacon.
by Tonya Lewis

1. Input Devices
1.1. Electronic pin at grocery store to sign off on credit card charges
1.2. Digital pad
1.3. Touch pad and touch screens
1.4. Microphones to speak into on computer or other devices such as blue tooth on cell phones
2. Input devices
2.1. Scanner can be flat bed or rolling scan
2.1.1. Convert hard copy to digital information
2.1.2. Make filing info electronic and hardcopy free