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Some commonly used protocols are as follows:
Protocols Full Form Detail
HTTP Hypertext Transfer Protocol Set of rules for transferring texts, graphics,
audio, images, videos, etc. on world wide web.
HTTPS Hypertext Transfer Protocol Secure Secure version of HTTP that is now commonly
used to perform secure transaction on a
website.
TCP/IP Transmission Control Protocol/ Ensures delivery of messages/data that has
Internet Protocol been sent on a network.
FTP File Transfer Protocol Upload or download files from remote server.
POP Post Office Protocol Used for downloading email from a server.
SMTP Simple Mail Transfer Protocol Used for sending and receiving mails.
MULTIMEDIA
Multi means more than one or many and Media means mode of communication. Thus multimedia
means an integration of multiple media such as graphics, text, sound, videos, and animations in one set of
file. Exchange of information or communication among people can take place in the form of text, sound,
pictures, graphics, videos, animations, etc. The present technology has made it possible for computer
users to combine different format of contents to enhance the effectiveness of a communication.
Technology that combines more than one mode of communication for effective deliverance of information is
referred as Multimedia. It provides an interactive and simulating means of communication. Communication
with multimedia feature is very entertaining and enriching as it involves audio visual presentations also.
Components of Multimedia
Text: It refers to contents that can be read or typed on the screen.
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Audio: It includes speech, audio effects, ambient sound and music.
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Video: It includes images moving at a specific rate with some audio.
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Graphics: It includes drawings, paintings, scanned images, photographs and video.
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Animation: It refers to display of images in sequence or in whirling motion or changing interface in
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two or three dimensions.
Uses of Multimedia
l Advertisement: Multimedia has brought a revolution by making contents and presentation for
advertisement.
l Entertainment: Nowadays, various types of games, music, etc. are a major source of entertainment.
Many types of games, animations and cartoon films, etc. contain multimedia features.
l Education: Many online training courses of educational institutes are being offered whose contents
and presentations are made with the help of multimedia features. They are motivating and highly
interactive.
44 Touchpad Computer Applications (Ver. 2.0)-IX

