This chapter discusses how digital technologies are used in classrooms. It describes various input devices like keyboards, mice, scanners, digital cameras, graphic tablets, microphones, and touchscreens that allow teachers and students to digitize information. These devices make it possible to easily create, store, edit, and share digital content. The chapter provides examples of how different technologies can be used for classroom activities like taking photos of student work, customizing websites, recording experiments, and more.

1. Chapter 4:
Digital Technologies in the Classroom
Rebekah Lemus, Alan Fox,
and Becca Pester

2. Before Digital
 Dittograph Machine
– Black and blue transfer paper
– Limited copies
– No mistakes

3. Personal Computer
 Finished product viewed on screen
 Correction able
 Fonts and graphics were alterable
 Printing
– Multiple copies made easy
– Color prints
– Transparencies
– Graphics

4. Input Devices
 Keyboard and mouse
 Scanner
 Digital cameras
 Digital tablets
 Sound input
 Pen input
 Touch screen devices
 Input via voice
 Electronic whiteboards

5. Keyboard and mouse

6. Scanner
 Flatbed scanner
– Recognizes printed characters
 OCR Software
– Resolution: DPI (Dots per Inch)
 Ports
– USB (Universal Serial Bus)
– USB expansion hub

7. Digital Camera
 No light sensitive film
 Save on memory card, disk, or CD
– 8 megabyte memory card holds approximately 30
medium-resolution images
 Transfer images to computer for storage
– Via cable and port
 Viewing and Printing
– View before pictures are taken and after
– Delete to save memory space
– Print on photography paper or regular paper

8. Web-cam
 Mounted on monitor
 Connected via USB port to computer
 Microphone, still, video, and audio
capabilities via the Internet
 Classroom usage
– Take pictures of student work
– Customize class website
– Record field trip
– Document science experiment

9. Graphic Tablets
 “Digitizers”
 Pen shaped device
 Electronic pressure-sensitive pad
– Circuits completed
 Classroom uses
– Diagrams
– Artwork
– Alter digital images on screen
– During presentation circle key ideas/words
– Annotate scanned images

10. Sound Input Devices
 Small speakers and personal microphone
 Via ports
 Music, sound, spoken word digitized and
stored
– Special effects added, sped up or slowed down
 Output sound through speakers

11. Personal Digital Assistant (PDA)

12. Touch Screen Divices

13. Input via Voice

14. Electronic Whiteboards

15. Activity: Portraits
 Pass the digital camera, taking a picture of the
person that passed it to you
 Once the digital pictures are uploaded into the
computer, retrieve your own picture from the
collaborative file called “portraits”
 Open your picture with Photoshop and alter it three
different ways
 Save your new portrait to the collaborative folder as
“[Your Name]”
 Sign your name on your picture using the graphic
tablet
 Use these pictures during the slide show to
familiarize yourself with all the students in the class