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Chapter 5 Input by Mind Map: Chapter 5 Input
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Chapter 5 Input


Input device

An input device is any hardware component that allows users to enter data and instructions into a computer


an input device that contains keys users press to enter data and instructions into a computer

Pointing device

A pointing device is an input device that allows a user to control a pointer on the screen

A pointer is a small symbol on the screen whose location and shape change as a user moves a pointing device


a pointing device that fits under the palm of your hand comfortably


A trackball is a stationary pointing device with a ball on its top or side


A touchpad is a small, flat, rectangular pointing device that is sensitive to pressure and motion

Pointing Stick

A pointing stick is a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard

Touch Screens and Touch-Sensitive Pads

touch screen

a touch-sensitive display device

Pen Input

With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections

Game Controllers

Video games and computer games use a game controller as the input device that directs movements and actions of on-screen objects


Joysticks and Wheels

Light guns

Dance pads

Motion-sensing controllers

Digital Cameras

a mobile device that allows users to take pictures and store them digitally

Studio cameras

Field cameras

Point-and-shoot camera

Two factors affect the quality of digital camera photos

Resolution, Resolution is the number of horizontal and vertical pictures in a display device

Number of bits stored in each pixel, Each pixel consists of one or more bits of data

Voice Input

the process of entering input by speaking into a microphone

Audio input

the process of entering any sound into the computer

Video Input

the process of capturing full-motion images and storing them on a computer’s storage medium

Record video on a digital video (DV) camera or use a video capture card to convert analog signals to digital

Web cam

a type of digital video camera that enables a user to, Capture video and still images, Send e-mail messages with video attachments, Add live images to instant messages, Broadcast live images over the Internet, Make video telephone calls

video conference

a meeting between two or more geographically separated people

Scanners and Reading Devices


Pen or Handheld



Optical character recognition (OCR) involves reading characters from ordinary documents

Optical mark recognition (OMR) reads hand-drawn marks such as small circles or rectangles

A turnaround document is a document you return to the company that creates and sends it

RFID (radio frequency identification) uses radio signals to communicate with a tag placed in or attached to an object

Magnetic stripe card readers read the magnetic stripe on the back of cards such as

Credit cards

Entertainment cards

Bank cards

Other similar cards

Biometric Input

Biometrics authenticates a person’s identity by verifying a personal characteristic


A terminal is a computer that allows users to send data to and/or receive information from a host computer