WAEC Data Processing 2019 Paper

Concept:Arrange ICT tools by their invention timeline, from the earliest to the most recent.Explanation:Radio was invented first, around the late 19th and early 20th century.Satellite technology followed with the launch of the first artificial satellite in $1957$.The Internet was developed later, starting from the $1960$s and becoming more established in the $1980$s.The cell phone came last, with the first handheld mobile phone demonstrated in $1973$.Therefore, the correct order from earliest to latest is: radio, satellite, internet, cell phone.Answer:Option C: Radio, satellite, internet, cell phone.