Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Teaching and Learning with Technology Digital Technologies In the Classroom Chapter 4 Teaching and Learning with Technology

to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Scanners Convert printed copy or images into a digital version With Optical Character Recognition (OCR) software, scanned text can be saved as a word processing file Flat bed scanners can scan one page or multiple pages and can scan from a book

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Digital Cameras Do not use film but instead capture images to a storage media May vary in resolution – the higher the resolution the sharper the picture but also the larger the size of the file it creates Storage media varies from CD-Rs to memory cards Input Devices in the Classroom

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Digital Cameras Stored images are then downloaded to computer for viewing and editing Typically come with small LCD screens on the back of the camera to preview images as you take pictures Digital photos can be used in any software programs or can be printed on photographic paper to create hard copy photos.

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Graphics Tablets Use a stylus to draw on an electronic pad Pressure of the stylus on the pad is converted to images or commands Allow for greater control and can therefore be used for creating art work

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Sound Input Devices Personal microphones are a component of most multimedia computers Mikes plug into the sound card port on the back of the machine The mike can be used to add commentary or record music to enhance a computer presentation or tutorial

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Pen Input Devices Used with –Personal Digital Assistants (PDAs) –Tablet PCs. Stylus pressed against screen –Records commands or handwriting –Can be read later as a word processed file PDA can also provide management tools

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Tablet PCs Basically an LCD screen mounted over a motherboard with a hard disk drive Tablet PCs are portable, convenient, and lightweight. They often offer wireless access to networks

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Tablet PCs Converts handwriting into a word processing file Drawings saved as graphics files. In essence, just a large, more powerful, and more flexible PDA

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Touch Screens Computer monitor screens, sensitive to touch Touch screens best used to issue commands and make selections Also useful assistive device for students with limited motor skills

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Video / Digital Capture Video capture cards let you –Capture single still images of each video frame as a digital file Once digital, the sequence of images can be edited –Can then be used as a digital video or digital still images

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Input Devices in the Classroom Electronic Whiteboards Dry erase markers can be used to write or draw on them Can then capture the writing or drawing and save it as a digital file Whiteboard files can be printed or shared electronically Portable devices can convert regular whiteboard into an electronic whiteboard.

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Output Devices in the Classroom Data Projection LCD Projection Panel Sits on top of overhead projector and plugged into the computer Uses the overhead projector’s light source for display Generally replaced by LCD projectors

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Output Devices in the Classroom Data Projection LCD Data Projector Data/video projectors connect to the computer to display room-size image Use LCD technology but have their own light source Can be used as a portable desktop unit or fixed to the ceiling

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Output Devices in the Classroom Data Projection LCD Data Projector Display both digital images (from computer) and video images (from VCR) Usually includes speakers and remote control

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Output Devices in the Classroom Data Projection Scan Converter Converts digital computer signal for display on a TV Very inexpensive compared to other digital display devices Resolution may be limited by TV’s display

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Output Devices in the Classroom Speakers and Headphones Small speakers plug into sound card port –Plays sound associated with software Most sound cards also have headphone port To accommodate multiple headphones, a splitter can be used

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Technologies for Special Needs Portable writing devices for those who can’t grasp a writing instrument Alternative keyboards for those with visual, physical, or cognitive limitations Voice recognition systems for reading and organizing Universal access stations –A multimedia computer, scanner, OCR software, alternative keyboards, text- to-speech software, and other assistive devices.

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Wireless Devices Computers and handhelds can be connected to a network Wireless Fidelity (WiFi) technology used for very fast radio frequency connections. Wireless networks eliminate cost of retrofitting schools for network cables Wireless networks improve flexibility

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Handheld Computers Have scaled-down versions of software found on PCs Newer handhelds are expandable –Use small expansion cards Handhelds often come with –sound –Microphone –color for multimedia programs

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies E-Books Electronic books are tablets –Display an electronic multimedia version of a book –E-books can let you take notes as your read A single tablet can store many books Can be read and/or listened to using simple navigational controls Some PDAs include e-book capability

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Voice Activated Devices Voice activation software lets you speak to the computer Eliminates need for typing or clicking Voice input technology widely used as assistive device Voice activation can make computing more flexible –Frees users from proximity to keyboard or mouse

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Computer Enhancements Improved Microprocessors Chips are becoming faster and more powerful More powerful CPUs will perform complex task faster

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Computer Enhancements Storage and Memory RAM chip size increasing making programs faster to access Storage increasing making possible larger programs Other storage devices developed to maximize portable storage.

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Computer Enhancements The USB drive Also called a keychain, flash, or jump drive Size and shape of a small highlighter Plugs into a computer’s USB port No moving parts Large storage capacity (16 Mb to 1 GB)

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Emerging Technologies Virtual Environments Virtual reality software and hardware can create 3-D environments VR worlds can be representations –Aspects of the real world –Completely imaginary VR worlds can take students on “virtual fieldtrips”

Teaching and Learning with Technology to edit Master title style Teaching and Learning with Technology lick to edit Master title style  Allyn and Bacon 2005 Teaching and Learning with Technology  Allyn and Bacon 2002 Computers in the Classroom Computer hardware makes it possible to enhance teaching and learning Computer software focuses hardware on classroom specific tasks Teachers should review and evaluate both hardware and software carefully to ensure they have selected the best tools for teaching and learning