Date post: | 15-Apr-2017 |
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Education |
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Discovering The Classical Technologies
O Instructional media are forms of mass communication which transmit information.
O Media is a conductor or channel through which something is transmitted.
PaperPencil
Classical technologiesO Also called conventional educational
media, refer to those devices found as part of classroom setting which include:
picture
chart graph
maps
globe
Objects/models
Digital technologiesO Are those that are used electronically
and/or online.
ComputerProjector
Printed media
O Is a hard copy of printed pages that control and transmit ideas, information or instructions. It is a type of non-projected visuals does not involve the use of optical or electronic projector.
Some of the applications of printed materials to technology
Textbook
Flashcard
Crossword puzzles
Bulletin board of idea
Worksheets
Charts
TYPES OF INSTRUCTIONAL MEDIA
OStill pictureOGraphicsOChartsODisplaying Formats
Guidelines in using non-projected visual
A. Still Picture and Graphics
B. Real Objects and Model
Still picture and Graphics
1. Use large visual that everyone can see
2. Use visual that are not cluttered w/ illegible details
3. Limit number of visual used given period of time
4. Teach students to interpret visual
Real objects and Model1. Familiarize yourself w/ object
or model before using it in a classroom
2. Practice your presentation 3. Be sure your audience does
not get the wrong impression of the:
1. Size2. Shape or 3. Color they are studying
PROJECTED VISUAL
OThe term “projected media” include all instructional material w/c are enlarge and shown on a viewing screen by passing light through film or other material w/ image of some opaque material.
OOverhead ProjectorOLiquid Crystal Display Projector
(LCD)OSlide ProjectorOOpaque Projector
Overhead ProjectorOThe technique
indicate that the light-colored board w/ white or colored letter print are effective visual aids.
AdvantageO It allows direct contact between a
presenter and his audienceO Usually lightweight, portable, and
easy to operateO Variety of material can be projected
likeO NotesO Diagram andO Ovelays
Disadvantage/Limitation
O Bec. Slide, unlike film strip, come as individual units, they can easily become disorganize
O Slide that are not enclosed in glass cover can accumulate dust and fingerprints.
O Careless storage or handling can easily lead to permanent damaged.
Liquid Crystal Display Projector (LCD)
O Usually contain separated LCD glass panel, one each for red, green, and blue components of image signal being fed into the projector.
O Using a digital or analog signalO VCRO DVDO Computer
AdvantageOAllows for quick and easy set-upOMake presentation more polish
and professional productOEnhance learning experience.
Shows “live” presentationOCaptivate the attention of the
student
Disadvantage/Limitation
OTake time to produceOLCD projector and
maintenance are more expensive compare to other equipment
Slide ProjectorOThe term slide refer to a
small format photographic transparency individual mounted for one at a time.
AdvantageOCan arrange into many diff.
sequence as photographic equipment is continually refined and simplified
Disadvantage/Limitation
OIt is no longer available and are already outmodes, school have dispose of a replace them w/ computer and other equipment
Opaque ProjectorOIt is enlarge and display
non transparent material on screen. It allows on the spot projection of readily classroom material
AdvantageOIt enable to display visual of magazine, small specimen
OIt accept a wide range picture size
Disadvantage/Limitation
OProjecting picture in exact register is difficult.
OAlmost totally dark room is required for viewing
OUsing the opaque mainly designed for large group presentation
O It is not intended for independent
AUDIO TECHNOLOGIES
OPhonographs record are used for educational purpose in teaching dancing, physical education, and musical appreciation and in pose, verse, and drama
OAudio recording can be classified into two types:
ODisc recordingOMagnetic tape recording
Disc RecordingO Come in various size, spin, and
speedO 78 rpm(revolution per minute) rotate
at speedO 33 1/3 rpm disc ( 10 – 15 minutes of
info. Each side microgroove)
OTeacher used listening equipment hardware and software to best advantage for students skill
OCompact disc (CD)OMP3 (MPEG Audio player 3)OEducational Radio Broadcasting
AdvantageOBring up to date news or
current for basis discussionOCan be used anywhere with or
without electricityOCan provide a good source of
good and bad speechOCan provide vicarious
experience w/ drama, travel or daily encounter of people
Disadvantage/Limitation
OCan serve only as a one way communication medium only
O It necessitate good listening skill
ORadio broadcast may not be directly related to the lesson
O It entails problem in equipment maintenance such as spare parts, battery and other audio technology
Magnetic RecordingOMagnetic tape
recording may be in reel-to-reel and cassette disc type
OIt has 6.24mm wideOC-60,C-90,C-120
minutes recoding time of cassette tape
VISUAL TECHNOLOGIES
OEducational Television (ETV) as a system of broadcasting w/c covert light patter into electric impulse and electric impulse into light pattern as transmitted by wire or radio to receivers
TYPES OF EDUCATIONAL TELEVISION
Broadcasting television (open broadcast)
Closed-circuit television (CCTV)
Videotape or videocassette material
ADVANTAGES OF TELEVSION AS AN
EDUCATIONAL MEDIUM
1. TV has immediately since it can reach a wide audience instantaneously
2. TV provide closed up view w/c may not be impossible in live demonstration
3. TV is an instructions multiplier. Not only do student learn but also teacher
LIMITATIONS OF EDUCATIONAL TV
1. TV is one way of communication
2. TV forces viewer to accept the program ad it is presented
Thank you