Chapter 5 Input - Materi Perkuliahan-Iwan Sonjaya ... · includes handwriting ... users can display the image, print it, e-mail it, ... Device that uses light source to read characters,

1

Discovering Computers 2008

Chapter 5Chapter 5Chapter 5Chapter 5

InputInputInputInput

Chapter 5 ObjectivesChapter 5 ObjectivesChapter 5 ObjectivesChapter 5 Objectives

Define inputDefine input

List the characteristics of a keyboardList the characteristics of a keyboard

Describe different mouse types

and how they work

Describe different mouse types

and how they work

Summarize how various pointing

devices and controllers for gaming and

media players work

Summarize how various pointing

devices and controllers for gaming and

media players work

Explain how voice recognition worksExplain how voice recognition works

Describe various input devicesfor PDAs, smart phones, and Tablet PCs

Describe various input devicesfor PDAs, smart phones, and Tablet PCs

Explain how a digital camera worksExplain how a digital camera works

Describe uses of PC video cameras,Web cams, and video conferencingDescribe uses of PC video cameras,Web cams, and video conferencing

Discuss various scanners and reading

devices and how they work

Discuss various scanners and reading

devices and how they work

Explain the types of terminalsExplain the types of terminals

Summarize the various biometric devices

Summarize the various biometric devices

Identify alternative input devices for physically challenged users

Identify alternative input devices for physically challenged users

Next

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What Is Input?What Is Input?What Is Input?What Is Input?

What is input?

p. 234 - 236 Fig. 5-1 Next

� Input device is any hardware component that

allows users to enter data and instructions

� Data or instructions entered into memory of

computer

What Is Input?What Is Input?What Is Input?What Is Input?

What are the two types of input?

p. 234 Next

� Unprocessed text,

numbers, images,

audio, and video

� Instructions

� Programs

� Commands

� User responses

� Data

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The KeyboardThe KeyboardThe KeyboardThe Keyboard

How is the keyboard divided?

p. 236 Fig. 5-2 Next

� Typing area

� Numeric keypad

� Function keys,

special keys that

issue commands


What is the insertion point?


� Blinking vertical bar that indicates where next

character you type will display

4


What is a cordless keyboard?


� Communicate with a

receiver attached to a

port on the system

unit

Pointing DevicesPointing DevicesPointing DevicesPointing Devices

What is a mouse?


� Pointing device that fits under palm of hand

� Pointing device controls

movement of pointer

� Mechanical mouse

has rubber or metal

ball on underside

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Mouse below Chapter 5

5


What is an optical mouse?


� No moving mechanical

parts inside

� Senses light to detect

mouse’s movement

� More precise than

mechanical mouse

� Connects using a

cable, or wireless

Tilt

wheel

Tilt

wheel

Press

wheel

button

Press

wheel

button

Free-

spin

wheel

Free-

spin

wheel

Right-

drag

Right-

drag

Right-

click

Right-

click

Triple-

click

Triple-

click

Double-

click

Double-

click


What are common mouse operations?


PointPoint

ClickClick

DragDrag

Rotate

wheel

Rotate

wheel

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Other Pointing DevicesOther Pointing DevicesOther Pointing DevicesOther Pointing Devices

What is a trackball?


� Stationary pointing device

with a ball on its top or side

� To move pointer, rotate ball

with thumb, fingers, or palm

of hand

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Repetitive Strain Injuries below Chapter 5


What are a touchpad and a

pointing stick?

p. 241 - 242 Figs. 5-9—5-10 Next

� Touchpad is small, flat,

rectangular pointing device

sensitive to pressure and motion

� Pointing stick is pointing device

shaped like pencil eraser

positioned between keys on

keyboard

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What is a light pen?

p. 242 Next

� Handheld input device

that can detect light

� Press light pen against

screen surface and then

press button on pen


What is a touch screen?

p. 242 Fig. 5-11 Next

� Touch areas of screen with

finger

� Often used with kiosks

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Touch Screen below Chapter 5

8

Keyboard and Pointing DevicesKeyboard and Pointing DevicesKeyboard and Pointing DevicesKeyboard and Pointing Devices

What is a digital pen?

p. 242 - 243 Fig. 5-12 and 5-13 Next

� Looks like a ballpoint pen, but uses pressure to write

text and draw lines

� Used with graphics tablets, flat electronic boards

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Pen Inputbelow Chapter 5

Controllers for Gaming and Media PlayersControllers for Gaming and Media PlayersControllers for Gaming and Media PlayersControllers for Gaming and Media Players

What are the types of game controllers?

p. 244 Fig. 5-15 Next

� Gamepad

� Joystick

� Wheel

� Light gun

� Dance pad

� Motion-sensing

game controller

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Wii Remotebelow Chapter 5

9

Controllers for Gaming and Media PlayersControllers for Gaming and Media PlayersControllers for Gaming and Media PlayersControllers for Gaming and Media Players

What is a touch-sensitive pad?

p. 245 Fig. 5-16 Next

� Input device on a portable

media player that enables

users to scroll through

and play music, view

pictures, watch videos or

movies, adjust volume,

and customize settings

� Click Wheel

Voice InputVoice InputVoice InputVoice Input

What is voice input?

p. 245 Fig. 5-17 Next

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Voice Input below Chapter 5

� The process of entering input by speaking into

a microphone

� Voice recognition is the computer’s capability

of distinguishing spoken words

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Voice InputVoice InputVoice InputVoice Input

What is a MIDI (musical instrument

digital interface)?

p. 246 Fig. 5-18 Next

� External device, such as electronic piano

keyboard, to input music and sound

effects

Input for PDAs, Smart Phones, and Tablet PCsInput for PDAs, Smart Phones, and Tablet PCsInput for PDAs, Smart Phones, and Tablet PCsInput for PDAs, Smart Phones, and Tablet PCs

How is data

entered into a

PDA?

p. 247 Fig. 5-19 Next

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What is a portable keyboard?

p. 248 Fig. 5-20 Next

� A portable keyboard is

a full-sized keyboard

you conveniently attach

to and remove from

PDA


What is a smart phone?

p. 248 - 249 Fig. 5-22 Next

� Users can input and send text messages,

graphics, pictures, video clips, and sound files

� Many have a built-in or attachable camera

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What is a Tablet PC?

p. 249 – 250 Fig. 5-23 Next

� Mobile computer that

includes handwriting

recognition software

� Primary input device is a

pressure-sensitive digital

pen

Digital CamerasDigital CamerasDigital CamerasDigital Cameras

What is a digital camera?

p. 250 - 251 Fig. 5-24 Next

� Allows you to take

digital pictures

� Images viewable

immediately on

camera

� Download to

computer

� Post pictures

to Web

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How does a digital camera work?

p. 251 Fig. 5-25 Next


What is resolution?

p. 252 Fig. 5-26 Next

� Sharpness and clarity of image

� The higher the resolution, the better the image

quality, but the more expensive the camera

� Pixel (picture element)

is single point in

electronic image

� Greater the number of

pixels, the better the

image quality

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Video InputVideo InputVideo InputVideo Input

What is video input?

p. 253 Fig. 5-27 Next

� Process of entering full-motion images

into computer

� Video capture card is

adapter card that converts

analog video signal into

digital signal that

computer can use

� Digital video (DV)

camera records video as

digital signals


What is a PC video camera and a Web cam?

p. 253 - 254 Fig. 5-28 Next

� PC video camera is used to capture video and still

images, and to make video telephone calls on Internet

� Also called PC camera

� Web camc—cvideo camera

whose output displays on

a Web page

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Web Camsbelow Chapter 5

15


What is video conferencing?

p. 254 Fig. 5-29 Next

� Whiteboard is

another window on

screen that can

display notes and

drawings

simultaneously on

all participants’

screens

� Two or more geographically separated people

who use network or Internet to transmit

audio and video data

Scanners and Reading DevicesScanners and Reading DevicesScanners and Reading DevicesScanners and Reading Devices

What is a scanner?

p. 255 – 256 Fig. 5-30 Next

� Light-sensing device that

reads printed text and

graphics

� Used for image processing,

converting paper documents

into electronic images

Drum

Pen or

Handheld

Sheet-fed

Flatbed

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How does a flatbed

scanner work?

p. 256 Fig. 5-31 Next

Step 1:

Place the document to be scanned face down

on the glass window. Using buttons on the

scanner or the scanner program, start the

scanning process.

Step 2:

The scanner converts the

document content to digital

information, which is transmitted

through the cable to the

memory of the computer.

Step 3: Once in the memory of the computer,

users can display the image, print it, e-mail it,

include it in a document, or place it on a Web

page.


What is an optical reader?

p. 257 Fig. 5-32 Next

� Optical character recognition

(OCR) reads characters in

OCR font

� Optical mark recognition

(OMR) reads hand-drawn pencil

marks, such as small circles

� Device that uses light source to read characters, marks,

and codes and then converts them into digital data

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What is a turnaround document?

p. 257 Fig. 5-33 Next

� Document that you

return to the company

that sent it

� Portion you return has

information printed in

OCR characters


What is a bar code reader?

p. 258 Fig. 5-34 Next

� Uses laser beams to read bar codes

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Bar Code Readers below Chapter 5

18


What is a bar code?

p. 258 Fig. 5-35 Next

� Identification code that consists of a set of vertical

lines and spaces of different widths

� Universal Product

Code (UPC)

Other Input DevicesOther Input DevicesOther Input DevicesOther Input Devices

What is an RFID reader?

p. 259 Fig. 5-36 Next

� Reads information on

the tag via radio waves

� Can be handheld

devices or mounted in a

stationary object

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Other Input DevicesOther Input DevicesOther Input DevicesOther Input Devices

What is a magnetic stripe card reader?

p. 260 Fig. 5-37 Next

� Reads the magnetic

stripe on the back of a

credit card

� Exposure to a magnetic

field can erase the

contents of a card’s

magnetic stripe

What is a magnetic-ink character recognition

(MICR) reader?


p. 260 Fig. 5-38 Next

� Can read text printed with magnetized ink

� Banking industry almost exclusively uses MICR

for check processing

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What is a data collection device?

p. 261 Fig. 5-39 Next

� Obtains data directly at location where transaction

or event takes place

� Transmits data over

network

or Internet

TerminalsTerminalsTerminalsTerminals

What is a point of sale (POS) terminal?

p. 261 - 262 Fig. 5-40 Next

� Records purchases,

processes credit or

debit cards, and

updates inventory

� Swipe credit or debit

card through card

reader

� Reads customer’s

personal data from

magnetic strip

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TerminalsTerminalsTerminalsTerminals

What is an automated teller machine (ATM)?

p. 262 Fig. 5-41 Next

� Self-service banking

machine that connects to a

host computer through a

network

Biometric InputBiometric InputBiometric InputBiometric Input

What is biometrics?

p. 262 - 263Fig. 5-42 and 5-43 Next

� Authenticates person’s identity

by verifying personal

characteristic

� Fingerprint scanner captures

curves and indentations of

fingerprint

� Hand geometry system measures

shape and size of person’s hand

Click to view Web Link,click Chapter 5, Click Web Linkfrom left navigation, then click Biometric Input below Chapter 5

22

Biometric InputBiometric InputBiometric InputBiometric Input

What are examples of biometric technology?

p. 263 – 264 Figs. 5-44—5-45 Next

� Voice verification system compares live

speech with stored voice pattern

� Signature verification system recognizes

shape of signature

� Iris recognition system reads

patterns in blood vessels in back

of eye

� Biometric data is sometimes stored

on smart card, which stores

personal data on microprocessor

embedded in card

� Enhanced keyboard or ergonomic keyboard

� Mouse

� Stylus for PDA or smart phone

� Game controller(s)

� 30-bit 600 x 1200 ppi color scanner

� 3-megapixel digital camera

� Headphones that include a microphone

� PC video camera

Putting It All TogetherPutting It All TogetherPutting It All TogetherPutting It All Together

What are recommended input devices for home users?

p. 265 Fig. 5-46 Next

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� Mouse

� Stylus and portable keyboard for PDA or

smart phone, or digital pen for Tablet PC


� 4-megapixel digital camera


� PC video camera


p. 265 Fig. 5-46 Next

What are recommended input devices for

small office/home office users (SOHO)?

� Wireless mouse for notebook computer

� Touchpad or pointing stick on notebook computer

� Stylus and portable keyboard for PDA or smart

phone, or digital pen for Tablet PC

� 3- or 4-megapixel digital camera


� Fingerprint scanner for notebook computer


What are recommended input devices for mobile users?

p. 265 Fig. 5-46 Next

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� Mouse

� Stylus and portable keyboard for PDA or

smart phone

� Pen for graphics tablet


� 6- to 12-megapixel digital camera


� PC video camera


What are recommended input devices for power users?

p. 265 Fig. 5-46 Next


� Mouse

� Stylus and portable keyboard for PDA or smart phone, or

digital pen for Tablet PC

� Touch screen

� Light pen


� OCR/OMR readers, bar code readers, MICR reader, or data

collection devices

� Microphone

� Video camera for video conferences

� Fingerprint scanner or other biometric device


p. 265 Fig. 5-46 Next

What are recommended input devices for large

business users?

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Input Devices for Physically Challenged UsersInput Devices for Physically Challenged UsersInput Devices for Physically Challenged UsersInput Devices for Physically Challenged Users

What input devices are available

for those with physical limitations?

p. 266 Figs. 5-47 Next

� Keyguard allows users to rest

hands on keyboard without

accidentally pressing keys

� Head-mounted pointer

controls pointer on screen

� New developments include

gesture recognition and

computerized implant devices

Summary of InputSummary of InputSummary of InputSummary of Input

Keyboard, mouse, and other

pointing devices; controllers for gaming

and media players

Keyboard, mouse, and other

pointing devices; controllers for gaming

and media players

Voice inputVoice input

Input devices for PDAs, smart phones,

and Tablet PCs

Input devices for PDAs, smart phones,

and Tablet PCs

Digital camerasDigital cameras

Video InputVideo Input

Scanners and reading devicesScanners and reading devices

TerminalsTerminals

Biometric inputBiometric input

Input devices for physicallychallenged users

Input devices for physicallychallenged users

Chapter 5 Complete

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TugasTugasTugasTugas

1. Jelaskan Cara Kerja RFID (1,5,9,13,17,21,25,29,33)

2. Jelaskan standar pembacaan Bar Code !

(2,6,10,14,18,22,26,30,34)

3. Jelaskan perbedaan kamera digital yang

menggunakan sensor CCD dan CMOS ? Mana

yang paling baik ? (3,7,11,15,19,23,27,31)

4. Bagaimana cara kerja OCR (optical character

recognation) ? (4,8,12,16,20,24,28,32)

Kumpul terakhir : 15 Januari 2010 23:59

Ke : [email protected]

Subject : Tugas1TIK-nama

Documents

Chapter 5 Input - Materi Perkuliahan-Iwan Sonjaya ... · includes handwriting ... users can display the image, print it, e-mail it, ... Device that uses light source to read characters,