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The abacus's main reason was to count, and keeps track of money.
It was invented in Babylon in 500 B.C.
EasyScienceForKids -
The Telegraph worked by transmitting electrical signals over a wire laid between stations. The Telegraph used Morse code to communicate. FUN FACT: The Telegraph was made by Samuel Morse.
www.History.com -
The first two-way radio was made for the US Army and was made by Motorola.ComputerHope
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This machine was used by the British in WW2, to decrypt coded German messages. Colossus was kept a secret until 1970.
Royal Pingdom -
The Z4 was made by the German engineer Konrad Zuse. The Z4 was the first programmable automatic computing machine. FUN FACT: It took 4,000 watts of power.
Wikipedia -
The ENIAC was the worlds first general-purpose electronic. The ENIAC was used for calculations for the creation of the hydrogen bomb.
Royal Pingdom -
The Whirlwind was the first computer to use video displays for output. It could do 20,000 instructions per second and made it the fastest computer of its time.
Royal Pingdom -
The ARPNET was created during the Cold War and was the first network that used TCP/IP protocol. It used packet switching and developed into the internet.Wikipedia
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The first mobile phone call was made on April 3, 1973. He called with the Motorola Dyna TAC.
TechCrunch -
The first phone was the Motorola Dyna TAC 8000X. It could only talk for 30 mins. It costed 4,000 dollars.
TechCrunch -
The first smartphone was made by IBM over 20 years ago. It launched on Augest 16, 1994 and was given the name Simon Personal Communicator.
TechCrunch -
Bluetooth began as way to get rid of the cables and make a wireless alternative. Bluetooth was formed with five companies, Ericsson, Nokia, Intel, Toshiba and IBM.
www.nordicsemi.com -
The PlayStation was developed by Sony Interactive Entertainment. it came out on October 26, 2000 in North America. The PlayStation 2 is the best selling video game console in history, selling over 155 million unils.
Wikipedia -
The worlds most expensive iPhone made by Apple is $15.3 Million dollars. It is fully coated with 26 carat black diamond.
TechCrunch -
In 2012 Apple sold 37.04 million iPhones in 2012 in a span of 14 weeks. That is 4 phones a second!
TechCrunch
