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it was invented by Charles Babbage.
it was designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory -
it was invented by Samuel Morse and other inventors.
It was the first electrical telecommunications system, the most widely used of a number of early messaging systems called telegraphs -
it was invented by Alexander Graham Bell.
The telephone is a telecommunications instrument that sends and receives sound such as voice messages and data across a certain distance -
it was invented by Guglielmo Marconi.
They were developed mainly for ship-to-shore and ship-to-ship communication. -
it was invented by Philo Taylor Farnsworth.
it was invented for entertainmente. -
it was invented by Motorola employee Martin Cooper.
Cooper wanted people to have freedom to talk on the phone away from their cars. So in reaction, he and Motorola embarked on a project to create a more portable device. -
it was invented by Jeff Hawkins.
Some tablets come with an extra portable Keyboard that can be connected and used for quick typing
