Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1960s 1980s 1950s 1970s 1960s 1980s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Radio Television Telegraph Dishwasher Radio Television Telegraph Dishwasher ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Silly Putty Play-Doh Lite-Brite Etch-A-Sketch Silly Putty Play-Doh Lite-Brite Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Calendar Notice Board Telephone Book Notepad Calendar Notice Board Telephone Book Notepad ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1970s 1960s 1950s 1940s 1970s 1960s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Chronometer Microscope Reflecting telescope Spectacles Chronometer Microscope Reflecting telescope Spectacles ANSWER DOWNLOAD EXAMIANS APP