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INPUT by Mind Map: INPUT
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What is in input ?

Input is any data and instructions entered into the memory of a computer

Instructions can be entered into the computer in the form of programs, commands, and user responses

The keyboard

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

The insertion point, also known as the cursor, is a symbol on the screen that indicates where the next character you type will appear

An ergonomic keyboard has a design that reduces the chance of wrist and hand injuries

Ergonomics incorporates comfort, efficiency, and safety into the design of the workplace

Keyboards on mobile devices typically are smaller and/or have fewer keys

Some phones have predictive text input, which saves time when entering text using the phone’s keypad

Pointing Devices

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 mouse is a pointing device that fits under the palm of your hand comfortably Most widely used pointing device on desktop computers

A mouse can be wired or wireless

Other Pointing Devices

A trackball

A pointing stick

A touchpad

Touch Screens and Touch-Sensitive Pads

A touch screen is 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

Other Input for Smart Phones

Game Controllers


Joysticks and Wheels

Light guns

Dance pads

Motion-sensing controllers

Digital Cameras

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

Voice Input

Voice input is the process of entering input by speaking into a microphone

Voice recognition is the computer’s capability of distinguishing spoken words

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

Music production software allows users to record, compose, mix, and edit music and sounds

Audio input is the process of entering any sound into the computer

Video Input

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

A Web cam is a type of digital video camera

A video conference is 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

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

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

An OMR device scans the documents and matches the patterns of light

A bar code reader, also called a bar code scanner uses laser beams to read bar codes

RFID (radio frequency identification) uses radio signals to communicate with a tag placed in or attached to an object An RFID reader reads information on the tag via radio waves RFID can track

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

MICR (magnetic ink character recognition) devices read text printed with magnetized ink An MICR reader converts MICR characters into a form the computer can process Banking industry uses MICR for check processing

Data collection devices obtain data directly at the location where the transaction or event takes place

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

Putting It All Together

Input Devices for Physically Challenged Users

Keyboard with larger keys

Head-mounted pointer