Over the last two centuries, advances in computer technology have transformed the way we live our lives. How much do you know about these icons of the industry?

Named from a portmanteau of the words ‘microcomputer’ and ‘software’, Microsoft is a multinational technology company developing both software and hardware. Test your knowledge of one of the world’s best known brands with these multiple choice questions...

For around half a century, Mars has been the subject of exploration by space scientists keen to understand its evolution and search for signs of life. Test your knowledge of our nearest neighbour with these multiple choice questions...

Various scales and charts have been developed to measure everything from the pungency of peppers to the intensity of earthquakes. Test your knowledge of some of them with these multiple choice questions...