CHAPTER 3 INPUT OUTPUT - created from Mind Map

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INPUT

OUTPUT

* Data or instructions entered into memory or computer

(1) Pointing Device

(2) Smart Phones, PDAs, and Tablet PCs

(3) Video Input

(5) Terminal

(4) Scanners and Reading Devices

(6) Biometric Input

Data

Instructions

- Unprocessed text, numbers, images, audio, and video

- Programs

- Commands

- User responses

MOUSE: device controls movement of pointer under palm

TOUCHPAD: flat, rectangular sensitive device

POINTING STICK: positioned between keys on keyboard

TOUCH SCREEN: touch areas od screen

DIGITAL PEN: uses pressure to write and draw

PORTABLE KEYBOARD: full-sized keyboard communicates with phone

TABLET PC: mobile computer that handwriting recognition software

WEB CAM: live images on Internet

VICEO CONFERENCING: two or more geographically separated people

POINT OF SALE (POS) TERMINAL: records purchases

AUTOMATED TELLER MACHINE (ATM): self-service banking

SCANNER: light-sensing device reads printed text

OPTICAL READER: light source to read characters, marks then converts

BAR CODE READER: uses laser beams to read

Optical Character Recognition (OCR)

Optical Mark Recognition (OMR)

RFID READER: read information on tag via radio waves

MAGNETIC STRIPE CARD READER: the back of credit card

FINGERPRINT READER: captures curves and indentations of fingerprint

VOICE VERIFICATION: compares live speed with stored pattern

SIGNATURE VERIFICATION: recognizes shape of signature

* Data has been processed into a useful form

(1) Basic Categories of Output

(2) Display Devices

(3) Printers

(4) Audio Output Device

(5) Other Devices

TEXT

GRAPHICS

AUDIO

VIDEO

Memos, letters, emails

Logo, charts, drawings

Podcasts, live, real-time

Video clips, video blog, vodcasts

LIQUID CRYSTAL DISPLAY (LCD) MONITOR: has a small footprint

Resolution

PLASMA MONITOR: displays image by applying voltage to layers of gas

- Numbers of horizontal and vertical pixels in a display device

- Sharpness and clarity of image

CONTAINS CATHODE-RAY TUBE (CRT) MONITOR: screen coated with tiny dots

NONIMPACT PRINTER: forms characters and graphics without striking paper

PHOTO PRINTER: produces photo-lab-quality pictures built-in card slot

LASER PRINTER: high-speed, high-quality than ink-jet printer

THERMAL PRINTER: uses heat to transfer dye to specially coated paper

MOBILE PRINTER: small, lightweight uses while traveling

LABEL/POSTAGE PRINTER: prints on adhesive-type material

PLOTTER: sophisticated printer used to produce high-quality drawings

DOT-MATRIC PRINTER: impact printer forms

LINE PRINTER: that prints entire line at a time

FACSIMILE (FAX) MACHINE: transmits and receives documents over telephone lines

- Computer component that produces misic, speech, or other sounds

SPEAKERS

HEADPHONES

EARPHONES

DATA PROJECTOR: takes text and images from computer onto larger screen

INTERACTIVE WHITEBOARD: touch-sensitive device with a connected computer screen