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EDU3222: EDUCATIONAL TECHNOLOGY

EDU3222: EDUCATIONAL TECHNOLOGY. g By; Bello, Ahmed. Department of Science Education Federal University of Kashere Gombe State. MODULE IV: Hardware & Software for Classroom use. Hardware; laptop computer, digital camera etc.

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EDU3222: EDUCATIONAL TECHNOLOGY

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  1. EDU3222: EDUCATIONAL TECHNOLOGY g By; Bello, Ahmed. Department of Science Education Federal University of Kashere Gombe State.

  2. MODULE IV: Hardware & Software for Classroom use • Hardware; laptop computer, digital camera etc. • Hardware communication tools; Radio, Audio disc, Television, Video disc, C.C.T.V, Computers, Projectors and Interactive white board • Software; Close Source & Open Source Software

  3. Digital hardware • Laptop computer with built-in camera and wireless connectivity, • Digital cameras (video and still picture), • SMART Board, • Super drive (CD/DVD player and recorders), • Microphones,

  4. Cont’ • Projectors (presentation), Flash drive (storage and information transfer), • Printer (hard copies), • Scanners, Flat screen monitors, External hard drive, Handheld devices, • Speakers.

  5. Printers

  6. Hardware communication tools • Hardware communication tools include various electronic machines and devices with capabilities of conveying aural and pictorial massages through wired or wireless transmission. These include; • Radio, Audio disc, Television, Video disc, C.C.T.V, Computers, Projectors and Interactive white board.

  7. Educational Radio Broadcasting • A radio is an electronic device carrying sound massages through wireless transmission and reception of electromagnetic waves of radio frequency.

  8. Analog and Digital Radio

  9. Nature of Educational BroadcastingRadio broadcast normally comes in form of; storytelling, dialogues, discussion, interviews, documentary, • quiz, • drama, • comedy, • demonstration and • language drill.

  10. Strengths of Radio • Listening to radio transmission programme is free. Pre recorded programmes can be obtained for free. • Modern radio sets can be powered with little electric current; build in rechargeable batteries; direct current (DC) batteries or embedded solar charger. • Radio sets is relatively affordable by most families and students have regular experience listening to radio thus, enhancing the possibility for its usage in the classroom.

  11. Weaknesses • Radio broadcasting is characterised by a very tight scheduling in which programmes comes on-air at specific day and time; classes must wait and listen or miss out the programme. • Radio broadcast being linear in nature does not allow for interactivity. Students are force to reserve their comments, questions, and misconceptions to the end of the programme and seek for clarifications and guidance from their teachers.

  12. How to use Radio Broadcasts for Teaching • use recording devices like smart phones, cassette recorders, digital audio tape (DAT), to record the programmes as it is and use them at an appropriate time. • record or download the programme online, edit it by adding input or students comments and then use it in the class. • used radio to drill students on pronunciation of scientific word, mathematical formulas, multiplication tables, English expressions and listening skills.

  13. Digital Video • Video is an electronic device that transmits visual multimedia resources: graphics, pictures, sound, text and video footage. • It has the capability to record, copy, broadcast, playback and display a sequence of images to form a moving picture via television.

  14. Television set & Digital video player

  15. How to Use Digital Video for Teaching • Teacher Recorded Demonstration; Teachers can record demonstrations in a science laboratory, computer laboratory, practical demonstration farm and live events in the school or at field trip. • Teacher-made Video; With little training, teachers can produce their own video clips using camcorders, iphone, ipad, Smartphone, webcam and digital cameras.

  16. Camcorders and Digital cameras

  17. Other Sources of Video for Teaching • There are a number of other sources of getting video for classroom instruction, these include; • National media broadcasting stations, • Foreign broadcasting bodies, • Media resource centres, • Family events and youtube.

  18. Cont, • The media broadcasting services preserve programmes for reference purposes; teachers can describe their subject areas and borrow these videos for classroom uses. • For instance, Network to Africa and Wildlife broadcast) presents very good programmes in science subjects and good documentaries in fishing, agriculture, wildlife animals, health care.

  19. How to Use Computers in Education • Computer as a teaching tool: teachers can make use of computers with projectors to deliver multimedia presentations-graphics, images and video clips. • Computer as learning tool: Students can be instructed to use Web pages and hyperlinks to surf web pages and gather relevant information for better concept clarity and expand their learning horizon beyond their textbook.

  20. Computer set

  21. Cont, • Computers are non-human teachers themselves, for instance, students use computers to learn and improve their pronunciation using build in • dictionaries, • encyclopaedias, • book marks and dedicated websites.

  22. Cont, • Hardware tools like microphones, headphones, build-in or external speakers and specially prepared software can be use to make the sound audible for individual or for general classroom learning.

  23. Projectors • LCD projectors transmit images, text, videos and presentations to a screen. It is a digital technology that substantially complements classroom teaching. With the use of computers, high definition televisions (HDTVs), digital cameras and LCD projectors, teachers will produce valuable presentation materials for classroom teaching,

  24. LCD projectors

  25. LCD Projectors Machines

  26. Classroom Application of LCD Projectors • LCD projectors help instructors to facilitate students' learning outcomes using contrasting colours, graphics, pictures, videos, sound effect and animations. • Lessons taught using multimedia presentation tools stimulate and motivate the weak and slow learners to become active learners

  27. Interactive Whiteboard • An interactive whiteboard is a large physical display panel, touch-sensitive screen that works in conjunction with a computer and a projector on which the computer image can be controlled by touching or writing on the surface of the panel instead of using a mouse or keyboard.

  28. Interactive Whiteboard

  29. Classroom Application of Interactive Whiteboards • Interactive white board are so flexible in sharing resources especially when fully integrated into a virtual learning environment (VLE) and learning object repository.

  30. Software • Software is a general term for the various kinds of programs or set of instructions that directs a computer and related devices to perform specific operations.

  31. Features of Software • A software is a set of instructions given to the computer and related devices like digital cameras, mobile phones, plasma televisions. • Software is developed by writing instructions in programming language which cannot be touch or feel. • The operations of computer, (just like human body being controlled by human mind), are controlled through software.

  32. Types of Software Based on End-User Domain • In the networking environment, there are many types of software based on end-user domain and a lot of these are classified as either closed source or open source software. However, development in software technology has given a substitute for every piece of closed source software, a free open source alternative.

  33. Closed Source Software (proprietary software) • Proprietary software is software that is owned by an individual or a company (usually the one that developed it). There are always major restrictions on its use, and its source code is always kept secret because it is the property of its original authors, who are the only ones legally allowed to copy or modify it.

  34. Open Source Software • The term "open source software" refers to software whose source code is available for modification or enhancement by anyone. • The idea behind open source software is to promote open exchange, collaborative participation, rapid prototyping, transparency, and community development.

  35. Closed Source Software Vs Open Source Software • Microsoft office PowerPoint Vs Open office impress;presentation software • Microsoft office Vs Open office suite;word processor, spreadsheet, and presentation software • Garageband Vs Audacity;voice recording and editing tool • Adobe premiere Vs Avidemux; Video editing tool

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