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Which gadget was sold for the first time in the 1970s?
The calculator
Which gadget was invented so that soldiers could talk to each other?
The walkie talkie
Which gadget was developed by the United States army using space technology?
The moblie phone
Which gadget was used for the first time on 10th March 1876 by Alexander Graham Bell?
The telephone
Which gadgets were used by NASA for their space programme in the 1980s?
Laptops
Which gadgets were made popular by a simple tennis game called Pong?
Video game consoles
Which gadget was developed by the United States army using space technology?
The sat nav
