Get Started. It's Free
or sign up with your email address
INPUT by Mind Map: INPUT

1. What Are Input Devices

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

2. The Keyboard

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

2.2. Most desktop computer keyboards have…

2.2.1. Between 101 and 105 keys

2.2.2. A numeric keypad on the right side of the keyboard

2.2.3. Function keys, CTRL keys, ALT keys, and arrow keys

2.2.4. WINDOWS key

2.2.5. APPLICATION key

2.2.6. Toggle keys

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

2.4. Wired Keyboards

2.4.1. USB port

2.4.2. Keyboard port

2.5. Wireless Keyboards

2.5.1. Bluetooth

2.5.2. IrDA

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

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

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

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

3. Mouse

3.1. A mouse can be wired or wireless

3.2. A mouse is a pointing device that fits under the palm of your hand comfortably

3.2.1. Most widely used pointing device on desktop computers

3.3. Mouse operations

3.3.1. Point

3.3.2. Click

3.3.3. Right-click

3.3.4. Double-click

3.3.5. Triple-click

3.3.6. Drag

3.3.7. Right-drag

3.3.8. Rotate wheel

3.3.9. Free-spin wheel

3.3.10. Press wheel

3.3.11. Tilt wheel

3.3.12. Press thumb button

4. Other Pointing Devices

4.1. Trackball

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

4.2. Touchpad

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

4.3. Pointing Stick

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

5. Pen Input

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

6. Other Input for Smart Phones

7. Scanners and Reading Devices

7.1. Flatbed

7.2. Pen or Handheld

7.3. Sheet-fed

7.4. Drum

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

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

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

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

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

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

7.10.1. Credit cards

7.10.2. Entertainment cards

7.10.3. Bank cards

7.10.4. Other similar cards

7.11. 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

7.11.1. RFID can track Inventory Location of soldiers Employee wardrobes Airline baggage Gauging tire pressure and temperature Library books Prepaid tolls

7.12. MICR (magnetic ink character recognition) devices read text printed with magnetized ink

7.12.1. Banking industry uses MICR for check processing

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

7.12.3. Used in Restaurants Grocery stores Factories Warehouses The outdoors

8. Terminals

8.1. A POS terminal records purchases, processes payment, and updates inventory

8.2. An automated teller machine (ATM) allows users to access their bank accounts

8.3. A DVD kiosk is a self-service DVD rental machine

9. Input Devices for Physically Challenged Users

9.1. Keyguard

9.2. Keyboards with larger keys

9.3. On-screen keyboard

9.4. Various pointing devices

9.5. Head-mounted pointer

9.6. Gesture recognition

9.7. Computerized implant devices

9.8. Keyboard with larger keys

9.9. Head-mounted pointer

10. Summary

10.1. Various techniques of entering input

10.2. Several commonly used input devices

10.3. Keyboard, mouse, and other pointing devices; touch screens, pen input, other input for smart phones, game controllers, digital cameras, voice input, video input, scanners and reading devices, biometric input, and terminals

10.4. Input devices for physically challenged users

11. Pointing Devices

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

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

12. Objectives Overview

12.1. Define input and differentiate among a program, command, and user response

12.2. Identify the keys and buttons commonly found on desktop computer keyboards, and describe how keyboards for mobile computers and devices differ from desktop computer keyboards

12.3. Describe different mouse types and explain how to use a mouse

12.4. Describe various types of touch screens and explain how a touch-sensitive pad works

12.5. Describe various types of pen input, and identify other types of input for smart phones

12.6. Summarize the purpose of various game controllers

12.7. Explain how resolution affects the quality of a picture captured on a digital camera

12.8. Describe the uses of voice recognition, Web cams, and video conferencing

12.9. Discuss how various scanners and reading devices work

12.10. Summarize the various biometric devices

12.11. Discuss how POS terminals, automated teller machines, and DVD kiosks work

12.12. Identify alternative input devices for physically challenged users

13. What Is Input?

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

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

13.2.1. A program is a series of related instructions that tells a computer what tasks to perform and how to perform them

13.2.2. Programs respond to commands that a user issues

13.2.3. A user response is an instruction a user issues by replying to a question displayed by a program

14. Touch Screens and Touch-Sensitive Pads

14.1. A touch screen is a touch-sensitive display device

14.2. Microsoft Surface

14.3. Touch-sensitive pads

15. Game Controllers

15.1. Joysticks and Wheels

15.2. Light guns

15.3. Gamepads

15.4. Light guns

15.5. Motion-sensing controllers

16. Digital Cameras

16.1. Studio cameras

16.2. Field cameras

16.3. Point-and-shoot camera

16.4. Two factors affect the quality of digital camera photos:

16.4.1. Resolution Resolution is the number of horizontal and vertical pictures in a display device A pixel is the smallest element in an electronic display

16.4.2. Number of bits stored in each pixel Each pixel consists of one or more bits of data The more bits used to represent a pixel, the more colors and shades of gray that can be represented

17. Voice Input

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

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

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

17.3.1. Speech

17.3.2. Music

17.3.3. Sound Effects

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

18. Video Input

19. Biometric Input

19.1. Fingerprint reader

19.2. Face recognition system

19.3. Hand geometry system

19.4. Voice verification system

19.5. Signature verification system

19.6. Iris recognition system

19.7. Retinal scanners