objectives overview
DESCRIPTION
Objectives Overview. See Page 257 for Detailed Objectives. Objectives Overview. See Page 257 for Detailed Objectives. What Is Input?. Input is any data and instructions entered into the memory of a computer. Pages 258 – 259 Figure 5-1. What Is Input?. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/1.jpg)
Living in a Digital World
Discovering Computers 2010
![Page 2: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/2.jpg)
Objectives Overview
Discovering Computers 2010: Living in a Digital World Chapter 5
2See Page 257 for Detailed Objectives
![Page 3: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/3.jpg)
Objectives Overview
Discovering Computers 2010: Living in a Digital World Chapter 5
3See Page 257 for Detailed Objectives
![Page 4: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/4.jpg)
What Is Input?
• Input is any data and instructions entered into the memory of a computer
Discovering Computers 2010: Living in a Digital World Chapter 5
4Pages 258 – 259 Figure 5-1
![Page 5: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/5.jpg)
What Is Input?
Discovering Computers 2010: Living in a Digital World Chapter 5
5Pages 258 - 259
• Instructions can be entered into the computer in the form of programs, commands, and user responses
![Page 6: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/6.jpg)
What Are Input Devices
Discovering Computers 2010: Living in a Digital World Chapter 5
6Page 260
![Page 7: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/7.jpg)
The Keyboard
• A keyboard is an input device that contains keys users press to enter data and instructions into a computer
Discovering Computers 2010: Living in a Digital World Chapter 5
7Page 560 Figure 5-2
![Page 8: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/8.jpg)
The Keyboard
Discovering Computers 2010: Living in a Digital World Chapter 5
8Pages 260 - 261
• Most desktop computer keyboards have…
![Page 9: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/9.jpg)
The Keyboard
• The insertion point, also known as the cursor, is a symbol on the screen that indicates where the next character you type will appear
Discovering Computers 2010: Living in a Digital World Chapter 5
9Page 261 Figure 5-3
![Page 10: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/10.jpg)
The Keyboard
Discovering Computers 2010: Living in a Digital World Chapter 5
10Page 262
![Page 11: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/11.jpg)
The Keyboard
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
11Page 262 Figure 5-4
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Ergonomics below Chapter 5
![Page 12: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/12.jpg)
The Keyboard
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
12Pages 262 – 263 Figure 5-5
![Page 13: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/13.jpg)
Pointing Devices
Discovering Computers 2010: Living in a Digital World Chapter 5
13Page 263
![Page 14: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/14.jpg)
Mouse
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
14Pages 263 – 264 Figures 5-6 and 5-7
![Page 15: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/15.jpg)
Discovering Computers 2010: Living in a Digital World Chapter 5
15Page 264Figure 5-8
![Page 16: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/16.jpg)
Other Pointing Devices
Discovering Computers 2010: Living in a Digital World Chapter 5
16Pages 265 – 266 Figures 5-9 – 5-11
![Page 17: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/17.jpg)
Touch Screens and Touch-Sensitive Pads
• A touch screen is a touch-sensitive display device
Discovering Computers 2010: Living in a Digital World Chapter 5
17Page 266 Figures 5-12 – 5-13
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Multi-Touch Screensbelow Chapter 5
![Page 18: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/18.jpg)
Touch Screens and Touch-Sensitive Pads
Microsoft Surface Touch-sensitive pads
Discovering Computers 2010: Living in a Digital World Chapter 5
18Page 267 Figures 5-14 – 5-15
![Page 19: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/19.jpg)
Pen Input
• With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections
Discovering Computers 2010: Living in a Digital World Chapter 5
19Page 268 Figure 5-16
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Signature Capture Pads below Chapter 5
![Page 20: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/20.jpg)
Other Input for Smart Phones
Discovering Computers 2010: Living in a Digital World Chapter 5
20Page 269 Figures 5-17 – 5-18
![Page 21: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/21.jpg)
Game Controllers
• Video games and computer games use a game controller as the input device that directs movements and actions of on-screen objects
Discovering Computers 2010: Living in a Digital World Chapter 5
21Page 270
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Wii Remote below Chapter 5
![Page 22: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/22.jpg)
Game Controllers
Discovering Computers 2010: Living in a Digital World Chapter 5
22Page 270 Figure 5-19
![Page 23: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/23.jpg)
Digital Cameras
• A digital camera is a mobile device that allows users to take pictures and store them digitally
Discovering Computers 2010: Living in a Digital World Chapter 5
23Page 272
![Page 24: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/24.jpg)
Digital Cameras
Discovering Computers 2010: Living in a Digital World Chapter 5
24Page 272 Figure 5-20
![Page 25: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/25.jpg)
Digital Cameras
• Two factors affect the quality of digital camera photos:
Discovering Computers 2010: Living in a Digital World Chapter 5
25Page 273
![Page 26: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/26.jpg)
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
Discovering Computers 2010: Living in a Digital World Chapter 5
26Page 274 Figure 5-22
![Page 27: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/27.jpg)
Voice Input
• Audio input is the process of entering any sound into the computer
Discovering Computers 2010: Living in a Digital World Chapter 5
27Page 274
![Page 28: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/28.jpg)
Voice Input
• Music production software allows users to record, compose, mix, and edit music and sounds
Discovering Computers 2010: Living in a Digital World Chapter 5
28Page 274 Figure 5-23
![Page 29: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/29.jpg)
Video Input
• Video input is the process of capturing full-motion images and storing them on a computer’s storage medium
Discovering Computers 2010: Living in a Digital World Chapter 5
29Page 275
![Page 30: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/30.jpg)
Video Input
Discovering Computers 2010: Living in a Digital World Chapter 5
30Page 275 Figure 5-24
![Page 31: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/31.jpg)
Video: Video Editing on Your Computer
Discovering Computers 2010: Living in a Digital World Chapter 5
31
CLICK TO START
![Page 32: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/32.jpg)
Video Input
• A Web cam is a type of digital video camera that enables a user to:
Discovering Computers 2010: Living in a Digital World Chapter 5
32Pages 275 - 276
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Web Camsbelow Chapter 5
![Page 33: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/33.jpg)
Video Input
• A video conference is a meeting between two or more geographically separated people
Discovering Computers 2010: Living in a Digital World Chapter 5
33Pages 276 – 277 Figures 5-25 – 5-26
![Page 34: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/34.jpg)
Scanners and Reading Devices
Discovering Computers 2010: Living in a Digital World Chapter 5
34Page 277 Figure 5-27
![Page 35: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/35.jpg)
Scanners and Reading Devices
Discovering Computers 2010: Living in a Digital World Chapter 5
35Page 278 Figure 5-28
![Page 36: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/36.jpg)
Scanners and Reading Devices
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
36Page 279 Figures 5-29 – 5-30
![Page 37: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/37.jpg)
Scanners and Reading Devices
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
37Page 279 Figure 5-31
![Page 38: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/38.jpg)
Scanners and Reading Devices
• A bar code reader, also called a bar code scanner uses laser beams to read bar codes
Discovering Computers 2010: Living in a Digital World Chapter 5
38Page 280 Figure 5-32
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Bar Code Readersbelow Chapter 5
![Page 39: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/39.jpg)
Scanners and Reading Devices
• 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:
Discovering Computers 2010: Living in a Digital World Chapter 5
39Page 280
![Page 40: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/40.jpg)
Scanners and Reading Devices
• Magnetic stripe card readers read the magnetic stripe on the back of cards such as:
Discovering Computers 2010: Living in a Digital World Chapter 5
40Page 281 Figure 5-34
![Page 41: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/41.jpg)
Scanners and Reading Devices
• 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
Discovering Computers 2010: Living in a Digital World Chapter 5
41Page 281 Figure 5-35
![Page 42: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/42.jpg)
Scanners and Reading Devices
• Data collection devices obtain data directly at the location where the transaction or event takes place
• Used in:– Restaurants– Grocery stores– Factories– Warehouses– The outdoors
Discovering Computers 2010: Living in a Digital World Chapter 5
42Page 282 Figure 5-36
![Page 43: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/43.jpg)
Biometric Input
• Biometrics authenticates a person’s identity by verifying a personal characteristic
Discovering Computers 2010: Living in a Digital World Chapter 5
43Pages 282 - 283
![Page 44: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/44.jpg)
Biometric Input
Discovering Computers 2010: Living in a Digital World Chapter 5
44Pages 282 – 283Figures 5-37 – 5-39
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Biometric Inputbelow Chapter 5
fingerprint reader
hand geometry
system
iris recognition
system
![Page 45: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/45.jpg)
Terminals
• A terminal is a computer that allows users to send data to and/or receive information from a host computer
Discovering Computers 2010: Living in a Digital World Chapter 5
45Pages 284 – 285Figures 5-40 – 5-42
![Page 46: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/46.jpg)
Putting It All Together
Discovering Computers 2010: Living in a Digital World Chapter 5
46Page 285 Figure 5-43
![Page 47: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/47.jpg)
Putting It All Together
Discovering Computers 2010: Living in a Digital World Chapter 5
47Page 285 Figure 5-43
![Page 48: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/48.jpg)
Putting It All Together
Discovering Computers 2010: Living in a Digital World Chapter 5
48Page 285 Figure 5-43
![Page 49: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/49.jpg)
Input Devices for Physically Challenged Users
• Several input devices are available to assist physically challenged users:
Discovering Computers 2010: Living in a Digital World Chapter 5
49Page 286
Click to view Web Link,click Chapter 5, Click Web Link from left navigation, then click Gesture Recognitionbelow Chapter 5
![Page 50: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/50.jpg)
Input Devices for Physically Challenged Users
Keyboard with larger keys Head-mounted pointer
Discovering Computers 2010: Living in a Digital World Chapter 5
50Page 286 Figures 5-44 – 5-45
![Page 51: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/51.jpg)
Summary
Discovering Computers 2010: Living in a Digital World Chapter 5
51Page 287
![Page 52: Objectives Overview](https://reader036.vdocument.in/reader036/viewer/2022081515/56813c02550346895da56146/html5/thumbnails/52.jpg)
Living in a Digital World
Discovering Computers 2010
Chapter 5 Complete