Place each machine in its year

Exercise and reference answers

End

2015

Start

1965

Events

1. Year

   1973

   Item

   Xerox Alto

2. Year

   1981

   Item

   IBM personal computer

3. Year

   1993

   Item

   First smartphone

4. Year

   2008

   Item

   Apple iPhone

Instructions

Drag each machine on to the year it arrived.

Explanation