[Retracted] Multimedia Computer-Aided Teaching Platform Based on Particle Swarm Optimization Algorithm

Table 3

Three dynasties of technology and three generations of remote learning.

Staging	First generation	Second generation	Third generation
Era	Mid 19th century-mid 20th century	Mid 20th century-late 1980s	1990s to present
Distance learning category	Distance learning instruction	Distance learning for multimedia learning	Distance study with transparency and mobility
Computer software	Traditional printing techniques	Based on one-way transmission electronic information telecommunication skills	2-way communication electronic and interactive information systems
	Postal transportation technique
	Advanced visual and audio equipment
Major media	Printed materials, photography, telephone, slideshows, audio recordings	Mass media, personal media, computer-assisted teaching	Advanced telecommunications, radio and wireless mobile networks, digital multimedia