Computer and Communication Networks Sanjaya Mishra, PhD

The Context Computers and their use in education and distance education Communication and use of satellite Computer networks and Internet

Computers and their use in education and distance education

Communication and use of satellite

Computer networks and Internet

How computers are being used? For teaching For learning For office use and administration Computer assisted learning and computer managed learning Multimedia and CBT Computer media in education

For teaching

For learning

For office use and administration

Computer assisted learning and computer managed learning

Multimedia and CBT

Computer media in education

Computer media in distance education Information processing ( I learn by using computer ) Interaction ( I learn by interacting with the computer ) Communication ( I learn from others )

Information processing ( I learn by using computer )

Interaction ( I learn by interacting with the computer )

Communication ( I learn from others )

Satellite communication Different from terrestrial communication Geosyncrhonous (orbital period around the earth is 24 hours) Teleconference is possible today

Different from terrestrial communication

Geosyncrhonous (orbital period around the earth is 24 hours)

Teleconference is possible today

Advantages of teleconference Reaching remote places Quality of instruction Immediacy of feedback Cost-effective Familiar instruction mode

Reaching remote places

Quality of instruction

Immediacy of feedback

Cost-effective

Familiar instruction mode

Types of teleconference Audio-teleconference Video-teleconference (one-way and two-way) Computer conferencing (VSAT based)

Audio-teleconference

Video-teleconference (one-way and two-way)

Computer conferencing (VSAT based)

Problems of teleconferencing Poor integration of teleconference to teaching and learning Poor interaction and student attendance Lack of information about teleconference Poor quality of presentations (talking head type) Poor instructional design and technical support Poor organization and reception end More is not good ; more interaction kills

Poor integration of teleconference to teaching and learning

Poor interaction and student attendance

Lack of information about teleconference

Poor quality of presentations (talking head type)

Poor instructional design and technical support

Poor organization and reception end

More is not good ; more interaction kills

Computer networks Resource sharing Promotes communication Information management Types of networks: LAN, WAN and MAN Network of networks or Internet

Resource sharing

Promotes communication

Information management

Types of networks: LAN, WAN and MAN

Network of networks or Internet

Internet services Telnet FTP Email Internet Chat Mailing lists Video conferencing World Wide Web

Telnet

FTP

Email

Internet Chat

Mailing lists

Video conferencing

World Wide Web

World Wide Web Information delivery Collaboration Teaching and learning Huge information resource Search engines used to find information

Information delivery

Collaboration

Teaching and learning

Huge information resource

Search engines used to find information

Educational implications of WWW E-Learning or online learning Interactive distance learning Increasing access Multimedia delivery (rich learning environment) Automated system catering to the needs of large numbers

E-Learning or online learning

Interactive distance learning

Increasing access

Multimedia delivery (rich learning environment)

Automated system catering to the needs of large numbers

How online learning? Self-Designed systems Off-the-shelf systems LMS: Blackboard, Moodle, Atutor

Self-Designed systems

Off-the-shelf systems

LMS: Blackboard, Moodle, Atutor

LMS facilities Content delivery in structured manner Discussion forum Mailing lists Blogs Wikis Assessment of different types Whiteboards/ and video conference Student tracking of their progress Low dependence on programmers Provision for multiple media formats, pdf, video and audio

Content delivery in structured manner

Discussion forum

Mailing lists

Blogs

Wikis

Assessment of different types

Whiteboards/ and video conference

Student tracking of their progress

Low dependence on programmers

Provision for multiple media formats, pdf, video and audio

Summary Today education is delivered in a networked world; Even in the F2F situation computer and communication networks plays a vital role; In distance education, the use of teleconference and the WWW is increasing; Online learning will revolutionize the L3 scenario; Effective use of ICT will improve the quality of traditional distance education.

Today education is delivered in a networked world;

Even in the F2F situation computer and communication networks plays a vital role;

In distance education, the use of teleconference and the WWW is increasing;

Online learning will revolutionize the L3 scenario;

Effective use of ICT will improve the quality of traditional distance education.