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H.261
An early video codec standard that is in heavy use in videoconferencing applications.
H.263
An update of the H.261 video codec standard, H.263 is also used primarily in videoconferencing and goes with higher quality than H.261.
Half-duplex
Data can be transmitted in both directions, but not at the same time.
HTML (Hypertext Markup Language)
Hypertext Markup Language, is a language to specify the structure of documents for displaying in web browser.
HTTP
Hypertext Transfer Protocol; is a request/response protocol between clients and servers.
HTTPS (Hypertext Transfer Protocol over SSL)
HTTP over SSL, a kind of web protocol. It is used to encrypt and decrypts the user page requests and the pages that are returned by the Web server.
Hub
It is used in a wired network to connect Ethernet cables from multiple devices. Each device can talk to the others.
Hue
It is an attribute of color and the other two elements are brightness and saturation.Hue differences depend primarily on the variations of wavelength and defined by its dominant wavelength.
