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Ray Tomlinson used the @ sign to designate the receiving machine.

The first e-mail message was sent in 1951 by a programmer named Ray Tomlinson.

Until common standards and protocols emerge for machine-to-machine and wireless sensor communications, costs of wireless will be a problem.

A compiler is used to translate the code into machine language.

First-generation languages talked to the computer in the ones and zeros of "machine code".

Machine code was interpreted directly by the memory devices of the computer.

The wireless was once a big, wood-panelled machine glowing faintly in the corner of the living-room.

Ordering the wrong product, receiving the wrong item and the need to return a purchase can often be significant enough to make a potential online shopper reconsider the decision to purchase again.

Web servers, FTP servers, telnet servers and e-mail servers run from time to time on the server machine.

Hiding the extent of computer use from family and friends is a sign for computer addiction.

PCs from HP will soon come with video software.