Chapter 5

Input

By: Matthew D McCoog

What Is Input?

• Any data or instructions entered into the memory of a computer.

What is an input device?

• Any hardware that allows users to enter data or information into a computer

Types of Input Devices

• Keyboard• An input device that has keys which users press

to enter data.

Types of Input Devices

• Pointing devices• Mouse – pointing device which fits

comfortably under the palm of your hand

• Mouse is the most widespread pointing device

Types of Input Devices

• Other pointing devices• Trackball

• Touchpad

• Pointing stick

• Joystick

• Light pen

• Touch screen

Types of Input Devices

• Voice Input• Entering data by speaking into a microphone

Types of Input Devices

• Audio Input• Entering sound into the computer

Types of Input Devices

• Input Devices for Mobile Users• PDA

• Tablet PC

• Smart Phone

Types of Input Devices

• PDA• Stylus

• Portable keyboard

• On-screen keyboard

Types of Input Devices

• Tablet PC• Digital pen

• Docking station• Allows users to view information on their tablet PC

on their PC monitor

Types of Input Devices

• Smart Phone• Voice

• Text messaging

Types of Input Devices

• Digital Camera • Users can upload pictures stored digitally on

the camera to their home PC

Types of Input Devices

• Video Input• Capturing full motion pictures and recording

them to hard drive or DVD

• Achieved by: PC Video Cameras, Web Cams, etc…

Types of Input Devices

• Scanner• Transfers pictures and documents into files on

your computer

Types of Input Devices

• Types of Input Devices• Smart Terminal

• Capable of processing information

• Dumb Terminal• Incapable of processing information

• Special Purpose Terminals• Perform a specific function

Types of Input Devices

• Types of terminals• POS Terminal

• Terminal used in grocery stores at the point of sale

• ATM• Self service banking machine

Types of Input Devices

• Biometric Input• Devices which authenticate identity by

verifying personal characteristics• Fingerprints, retinal scans, etc…

Types of Input Devices

• Input for physically disables users• Include: keyguard, on screen keyboards, head

mounted pointer, and gesture recognition