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40,000 BCE
Petroglpyhs
Petroglyphs are images created by removing part of a rock surface by incising, picking, carving, or abrading, as a form of rock art. It is now often use terms such as "carving", "engraving". Many hypotheses explain the purpose of petroglyphs, depending on their location, age, and subject matter. Some many be astronomical markers, maps, and other forms of symbolic communication. -
2560 BCE
Papyrus
Papyrus is a material similar to thick paper that was used in ancient times as writing surface. It was made from the pith of the papyrus plant.
The word for the material papyrus is also used to designate documents written on sheets of it, often rolled up into scrolls. These documents provide important information on ancient writings. -
800 BCE
Smoke signal
they used fire as their "electricity" during prehistoric age. And they use smoke, to also call for everyone's attention. -
Newspaper
A newspaper is a periodical publication containing written information about current events. Newspapers can cover wide variety of fields such as politics, business, sport and art and often include materials such as opinion columns, weather forecasts, reviews of local services, obituaries, birth notices, crosswords, editorial cartoons, comic strips, and advice columns. -
Telegraph
It worked by transmitting electrical signals over a wire laid between stations. -
Computer
A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically. The ability of computers to follow generalized sets of operations, called programs, enables them to perform an extremely wide range of tasks. -
Telegram
Telegram is a message sent by telegraph and then delivered in written or printed form. -
Typewriter
Typewriter is a mechanical or electromechanical machine for writing characters similar to those produced by printer's movable type. A typewriter operates by means of keys that strike a ribbon to transmit ink or carbon impressions onto paper. Typically, a single character is printed on each key press. The machine prints characters by making ink impressions of type elements similar to the sorts used in movable type letterpress printing. -
Telephone
A telephone, or phone, is a telecommunicationsdevice that permits two or more users to conduct a conversation when they are too far apart to be heard directly. -
Digital Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width. A radio communication system sends information only one way. Receiver cannot reply to sender -
Digital Television
Television (TV) is a telecommunication medium used for transmitting moving images in monochrome(black and white), or in colour, and in two or three dimensions and sound. -
Videotape
Videotape is magnetic tape used for storing videoand usually sound in addition. Videotapes are also used for storing scientific or medical data. -
Cassette tape
Cassette tape is an analog magnetic tape recording format for audio recording and playback -
Compact Disc
Compact disc was originally developed to store and play only sound recordings but was later adapted for storage of data -
Digital Fax
Fax is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected to a printer or other output device. -
Digital Mobile Phone
Digital phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. Nowadays, our digital phones supports a variety of other services, such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, video games, and digital photography. -
Social Media
Social media are computer-mediated technologies that facilitate the creation and sharing of information, ideas, career interests and other forms of expression via virtual communities and networks.
