Teaching and learning through computer, evaluation of students performance through computer, virtual library, virtual classroom, e-books, e-journals etc come under “Educational Computing”. One of the significant instructional applications of computers is “Computer Assisted Instruction” (CAI).

7. Lack of human qualities
Restricted text displays
Limited sensitivity to needs
A poor substitute for actual experience
Software limitations
Hardware limitations
over use of multimedia may divert the attention
from the content
• lack of infrastructure
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8. Role of the teacher in CAI
• Supervisor or a guide
• No computer can replace a teacher
• Increase the scope and quality of contribution
of teachers in the society
• Computer engineer, lesson write and a system
operator